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Periodic Table for chemical entities containing the selected element
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Chemical Entities Containing: Oxygen	Structure	Reactions Forming	Reactions Using	Wikipedia	NIST
(KSO3)2NO	(KSO₃)₂NO		1	Wikipedia	NIST
A (alanine)		2	3	Wikipedia	NIST
(Ac)2O	(CH₃CO)₂CO	4	12	Wikipedia	NIST
acac		2	2	Wikipedia	NIST
acac-			1	Wikipedia	NIST
Acetaldehyde	CH₃CHO	13	20	Wikipedia	NIST
Acetaldehyde enolate		1		Wikipedia	NIST
Acetaldehyde, protonated		1			NIST
Acetaldol		1	2		NIST
Acetamide	CH₃CONH₂	4	1	Wikipedia	NIST
Acetamide/dimethyl ether complex		1			NIST
Acetaminophen				Wikipedia	NIST
Acetanilide		2	1	Wikipedia	NIST
Acetate ion	[CH₃COO]^–	6	10	Wikipedia	NIST
Acetic acid	CH₃COOH	32	27	Wikipedia	NIST
Acetic acid, aqueous	CH₃COOH(aq)	3		Wikipedia	NIST
Acetic acid, dimer		1		Wikipedia	NIST
Acetic acid, protonated		1			NIST
Acetic acid, sodium salt	CH₃COONa	4	2	Wikipedia	NIST
Acetic anhydride	(CH₃CO)₂CO	4	12	Wikipedia	NIST
Acetone		15	19	Wikipedia	NIST
Acetone cyanohydrin		1	1		NIST
Acetone enolate ion			2	Wikipedia	NIST
Acetone peroxide		1	1	Wikipedia	NIST
Acetone, protonated		1			NIST
Acetone/methanol complex		1			NIST
Acetophenone		3	2	Wikipedia	NIST
Acetophenone lithium enolate			2		NIST
Acetophenone, 4-nitro			1		NIST
Acetophenone, alpha-amino 4-nitro		1	1		NIST
Acetophenone, alpha-bromo-4-nitro		1	1		NIST
Acetyl cation	[CH₃CO]⁺	1	13		NIST
Acetyl chloride	CH₃COCl		11	Wikipedia	NIST
Acetyl coenzyme A			1	Wikipedia	NIST
Acetyl hydroperoxide	CH₃COOOH	3	4	Wikipedia	NIST
Acetyl-CoA			1	Wikipedia	NIST
Acetylacetone		2	2	Wikipedia	NIST
Acetylacetone anion			1	Wikipedia	NIST
Acetylformic acid		1		Wikipedia	NIST
Acetylsalicylic acid		2		Wikipedia	NIST
Achilleic acid		1	1	Wikipedia	NIST
Acid				Wikipedia	NIST
Acidum boricum	H₃BO₃	10	9	Wikipedia	NIST
AcNH2	CH₃CONH₂	4	1	Wikipedia	NIST
AcOH	CH₃COOH	32	27	Wikipedia	NIST
AcOMe			2	Wikipedia	NIST
cis-Aconitic acid		1	1	Wikipedia	NIST
AcOOH	CH₃COOOH	3	4	Wikipedia	NIST
Acrolein		3	4	Wikipedia	NIST
Acrylate ion			1	Wikipedia	NIST
Acrylic acid		6		Wikipedia	NIST
Acrylic_glass		1		Wikipedia	NIST
Actinolite	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5) Si₈O₂₂(OH)₂			Wikipedia
Acyl radical		4	2		NIST
Adamite	Zn₂AsO₄(OH)			Wikipedia
Adams' catalyst	PtO₂			Wikipedia	NIST
Adenine diphosphate	APD		1	Wikipedia	NIST
Adenine monophosphate	AMP			Wikipedia	NIST
Adenine triphosphate	ATP	1		Wikipedia	NIST
Adenosine 3,5-cyclic phosphate	cAMP			Wikipedia	NIST
Adipic acid		4	3	Wikipedia	NIST
ADP	APD		1	Wikipedia	NIST
Adrenaline				Wikipedia	NIST
Adularia	KAlSi₃O₈			Wikipedia
Aegirine	NaFe³⁺ [Si₂O₆]			Wikipedia
[Ag(S2O3)2]3-	[Ag(S₂O₃)₂]^3–	3			NIST
Ag2CO3	Ag₂CO₃	3	2	Wikipedia	NIST
Ag2Cr2O4	Ag₂CrO₄	2		Wikipedia	NIST
Ag2O	Ag₂O	1	3	Wikipedia	NIST
Ag2O2	Ag₂O₂			Wikipedia	NIST
Ag3PO4	Ag₃PO₄	1			NIST
Agate	SiO₂			Wikipedia
AgBrO3	AgBrO₃	1			NIST
AgC2O4	AgC₂O₄	1		Wikipedia	NIST
AgIO3	AgIO₃	1		Wikipedia	NIST
AgNO3	AgNO₃	1	11	Wikipedia	NIST
AgsSO4	Ag₂SO₄	1	1	Wikipedia	NIST
Air	Air		8	Wikipedia	NIST
Al(H2O)3(OH)3	Al(H₂O)₃(OH)₃ Al(OH)₃	4	3		NIST
[Al(H2O)6]3+	[Al(H₂O)₆]³⁺	2	6		NIST
Al(O(CH3)2CH)3	Al(OⁱPr)₃		1	Wikipedia	NIST
Al(OH)3	Al(OH)₃	2	11	Wikipedia	NIST
[Al(OH)4]-	[Al(OH)₄]^–	8		Wikipedia	NIST
Al(OiPr)3	Al(OⁱPr)₃		1	Wikipedia	NIST
Al2(SO4)3	Al₂(SO₄)₃	2	2	Wikipedia	NIST
Al2O3	Al₂O₃	15	12	Wikipedia	NIST
Ala		2	3	Wikipedia	NIST
Ala-ala	Ala-Ala	1			NIST
Ala-gly	Ala-Gly	1			NIST
Alanine		2	3	Wikipedia	NIST
Alanine, deprotonated			1	Wikipedia	NIST
Alanine, protonated		1		Wikipedia	NIST
L-Alanyl-L-alanine	Ala-Ala	1			NIST
L-Alanylglycine	Ala-Gly	1			NIST
Alizarin yellow GG	Alizarin Yellow				NIST
sec Alkyl sulfonate		2		Wikipedia	NIST
D-Allose		1		Wikipedia	NIST
Allyl alcohol		8	2	Wikipedia	NIST
Allyl alkoxide ion			1		NIST
Allyl phenyl ether			1		NIST
4-Allyl-1,2-methylenedioxybenzene				Wikipedia	NIST
4-Allyl-2-methoxyphenol		1			NIST
2-Allylphenol		1			NIST
D-Altrose		1		Wikipedia	NIST
Alum	KAl(SO₄)₂.12H₂O	1		Wikipedia	NIST
Alumina	Al₂O₃	15	12	Wikipedia	NIST
Alumina trihydrate	Al(OH)₃	2	11	Wikipedia	NIST
Aluminium hexaaqua complex ion	[Al(H₂O)₆]³⁺	2	6		NIST
Aluminium hydroxide	Al(OH)₃	2	11	Wikipedia	NIST
Aluminium hydroxide, hydrated	Al(H₂O)₃(OH)₃ Al(OH)₃	4	3		NIST
Aluminium isopropoxide	Al(OⁱPr)₃		1	Wikipedia	NIST
Aluminium oxide	Al₂O₃	15	12	Wikipedia	NIST
Aluminium potassium sulfate dodecahydrate	KAl(SO₄)₂.12H₂O	1		Wikipedia	NIST
Aluminium sulfate	Al₂(SO₄)₃	2	2	Wikipedia	NIST
Aluminium tetrahydroxy ion	[Al(OH)₄]^–	8		Wikipedia	NIST
Aluminium triaquatrihydroxy complex	Al(H₂O)₃(OH)₃ Al(OH)₃	4	3		NIST
Alumstone	KAl₃(SO₄)₂(OH)₆			Wikipedia
Alunite	KAl₃(SO₄)₂(OH)₆			Wikipedia
Amblygonite	(Li,Na)Al(PO₄) (F,OH)		1	Wikipedia
Amidosulfate anion	[NH₂SO₃]^–		1		NIST
2-Aminihypoxthanthine	Guanine G		1	Wikipedia	NIST
(-)-2-Amino-1-(3,4-dihydroxyphenyl)ethanol				Wikipedia	NIST
(D)-threo-2-Amino-1-(4-nitrophenyl)-1,3-propanediol		1	1	Wikipedia	NIST
threo-2-Amino-1-(4-nitrophenyl)-1,3-propanediol		1	1	Wikipedia	NIST
2-Amino-1-(4-nitrophenyl)ethanone		1	1		NIST
2-Amino-1-(4-nitrophenyl)ethanone, N-acyl		1	1		NIST
4-Amino-2(1H)-pyrimidinone	Cytosine C		1	Wikipedia	NIST
2-Aminobenzoic acid			1	Wikipedia	NIST
2-Aminoethanol		1	3	Wikipedia	NIST
4-Aminonitrobenzene		1	3	Wikipedia	NIST
4-Aminophenol		1		Wikipedia	NIST
[D(-)-a-Aminophenylacetamido]penicillanic acid				Wikipedia	NIST
[D(-)-a-Aminophenylacetamido]penicillanic acid				Wikipedia	NIST
(2S)-2-Aminopropanoic acid		2	3	Wikipedia	NIST
Ammonia/water complex		1			NIST
Ammonium metavandate	NH₄VO₃	1	1		NIST
Ammonium vandate(V)	NH₄VO₃	1	1		NIST
Ammonium acetate	[NH₄]⁺[CH₃CO₂]^–	1	1	Wikipedia	NIST
Ammonium aminoformate		1	1		NIST
Ammonium carbamate		1	1		NIST
Ammonium carbonate	(NH₄)₂CO₃		1	Wikipedia	NIST
Ammonium ethanoate	[NH₄]⁺[CH₃CO₂]^–	1	1	Wikipedia	NIST
Ammonium nitrate	NH₄NO₃	3	5	Wikipedia	NIST
Ammonium nitrite	NH₄NO₃		2	Wikipedia	NIST
Ammonium perchlorate	NH₄ClO₄	2	2	Wikipedia	NIST
Ammonium sulfate	(NH₄)₂SO₄	3	1	Wikipedia	NIST
Ammonium sulfite	(NH₄)₂SO₃ .H₂O	2	1		NIST
Ammonium thiosulfate	(NH₄)₂S₂O₃	3			NIST
AMP	AMP			Wikipedia	NIST
cAMP	cAMP			Wikipedia	NIST
Ampicillin				Wikipedia	NIST
Ampicillin				Wikipedia	NIST
tert-Amyl alcohol		1			NIST
Amylopectin	Starch		3	Wikipedia
Amylose	Starch		3	Wikipedia
Anadonis green	Cr₂O₃	3	2	Wikipedia	NIST
Analcime	NaAlSi₂O₂ .2H₂O			Wikipedia
Analcite	NaAlSi₂O₂ .2H₂O			Wikipedia
Anatase	TiO₂		1	Wikipedia
Andalucite	Al₂SiO₅
Anethole				Wikipedia	NIST
Anglesite	PbSO₄			Wikipedia
Anhydrite	CaSO₄			Wikipedia
Anisole			2	Wikipedia	NIST
Ankerite	Ca(Mg,Fe) (CO₃)₂			Wikipedia
Annabergite	Ni₃(AsO₄)₂ .8H₂O			Wikipedia
Anthophyllite asbestos	(Mg,Fe)₇Si₈O₂₂(OH)₂			Wikipedia
Anthquinol		1	1		NIST
9,10-Anthradiol		1	1		NIST
Anthrahydroquinone		1	1		NIST
Anthranilic acid			1	Wikipedia	NIST
9,10-Anthraquinone		5	1	Wikipedia	NIST
Antichlor	Na₂S₂O₃	5	4	Wikipedia	NIST
Antifreeze		6	9	Wikipedia	NIST
Antimonic oxide	Sb₂O₅		1	Wikipedia	NIST
Antimony pentoxide	Sb₂O₅		1	Wikipedia	NIST
Antimony trioxide	Sb₂O₃	2	2	Wikipedia	NIST
Antimony(V) pentafluoride. fluorosulfonic acid	H⁺[SbF₆]^– .SO₃			Wikipedia	NIST
AP		1	1	Wikipedia	NIST
Apatite	Ca₅(PO₄)₃ (F,Cl,OH)			Wikipedia
Apophyllite	(K,Na)Ca₄Si₈O₂₀ (F,OH).8H₂O			Wikipedia
Aqua	H₂O	529	531	Wikipedia	NIST
Aqua regia	Aqua Regia	1	2	Wikipedia	NIST
Aqueous nitric acid	HNO₃(aq)	3	3	Wikipedia	NIST
Aqueous sodium hydroxide	NaOH(aq)	5	37	Wikipedia	NIST
Aqueous sulfuric acid	H₂SO₄(aq)	3	11	Wikipedia	NIST
D-Arabinose		1	1	Wikipedia	NIST
Arachidic acid	CH₃(CH₂)₁₈COOH			Wikipedia	NIST
Arachidonic acid	Arachidonic Acid			Wikipedia	NIST
Aragonite	CaCO₃			Wikipedia
Arcanum duplicatum	K₂SO₄	2	1	Wikipedia	NIST
Arg		1	1	Wikipedia	NIST
Argentic oxide	Ag₂O₂			Wikipedia	NIST
Arginine		1	1	Wikipedia	NIST
Arginine, deprotonated			1	Wikipedia	NIST
Arginine, doubly-protonated		1		Wikipedia	NIST
Arginine, protonated		1	1	Wikipedia	NIST
Arsenate (dihydrogen) ion	[H₂AsO₄]^–	1	1		NIST
Arsenate (hydrogen) ion	[HAsO₄]^2–	1	1		NIST
ortho Arsenic acid	H₃AsO₄	1			NIST
Arsenic pentoxide	As₂O₅		1	Wikipedia	NIST
Arsenic trioxide	As₂O₃	2	1	Wikipedia	NIST
Arsenite ion	[AsO₂]^–			Wikipedia	NIST
Arsenous oxide	As₂O₃	2	1	Wikipedia	NIST
Arsinate ion	[AsO₄]^3–		1		NIST
Arylam		2		Wikipedia	NIST
As2O3	As₂O₃	2	1	Wikipedia	NIST
As2O5	As₂O₅		1	Wikipedia	NIST
As4O10	As₂O₅		1	Wikipedia	NIST
ASA		2		Wikipedia	NIST
Asbestos, anthophyllite	(Mg,Fe)₇Si₈O₂₂(OH)₂			Wikipedia
Asbestos, tremolite	Ca₂(Mg,Fe)₅ Si₈O₂₂			Wikipedia
(+/-)-Ascaridole		1		Wikipedia	NIST
Asn		1	1	Wikipedia	NIST
[AsO2]-	[AsO₂]^–			Wikipedia	NIST
[AsO4]3-	[AsO₄]^3–		1		NIST
Asp		1	1	Wikipedia	NIST
Asparagine		1	1	Wikipedia	NIST
Asparagine, deprotonated			1	Wikipedia	NIST
Asparagine, protonated		1		Wikipedia	NIST
Aspartic acid		1	1	Wikipedia	NIST
Aspartic acid, deprotonated		1	1	Wikipedia	NIST
Aspartic acid, doubly-deprotonated			1	Wikipedia	NIST
Aspartic acid, protonated		1		Wikipedia	NIST
Aspirin		2		Wikipedia	NIST
Atacamite	Cu₂Cl(OH)₃			Wikipedia
ATP	ATP	1		Wikipedia	NIST
Au2O	Au₂O				NIST
Au2O3	Au₂O₃			Wikipedia	NIST
Auric oxide	Au₂O₃			Wikipedia	NIST
Aurous oxide	Au₂O				NIST
Autunite	Cu(UO₂)₂(PO₄)₂ .8-12H₂O			Wikipedia
B(OCH3)3	B(OCH₃)₃	2	1	Wikipedia	NIST
[B(OH)4]-	[B(OH)₄]^–	5			NIST
B2O3	B₂O₃	3	14	Wikipedia	NIST
[B3O6]3-	[BO₂]^– [B₃O₆]^3–		2	Wikipedia	NIST
[B4O7]2-	[B₄O₇]^2–		1	Wikipedia	NIST
Ba(NO3)2	Ba(NO₃)₂		1	Wikipedia	NIST
Ba(OH)2	Ba(OH)₂	7	3	Wikipedia	NIST
BaC2O4	BaC₂O₄	1		Wikipedia	NIST
BaCO3	BaCO₃	3	1	Wikipedia	NIST
BaCrO4	BaCrO₄	1		Wikipedia	NIST
BaO	BaO	4	3	Wikipedia	NIST
BaO2	BaO₂	3	1	Wikipedia	NIST
Barbital				Wikipedia	NIST
Barbituric acid (enol form)		1		Wikipedia	NIST
Barbituric acid (keto form)			1	Wikipedia	NIST
Barium carbonate	BaCO₃	3	1	Wikipedia	NIST
Barium chromate	BaCrO₄	1		Wikipedia	NIST
Barium hydroxide	Ba(OH)₂	7	3	Wikipedia	NIST
Barium nitrate	Ba(NO₃)₂		1	Wikipedia	NIST
Barium oxalate	BaC₂O₄	1		Wikipedia	NIST
Barium oxide	BaO	4	3	Wikipedia	NIST
Barium peroxide	BaO₂	3	1	Wikipedia	NIST
Barium sulfate	BaSO₄	7	2	Wikipedia	NIST
Barium sulphate	BaSO₄	7	2	Wikipedia	NIST
Baryte	BaSO₄			Wikipedia
BaSO4	BaSO₄	7	2	Wikipedia	NIST
Bauxite	Al₂O₃.2H₂O (+Fe, Ti oxides)		2	Wikipedia
Be(OH)2	Be(OH)₂	7	5	Wikipedia	NIST
[Be(OH)4]2-	[Be(OH)₄]^2–	4			NIST
Be2SiO4	Be₂SiO₄	1			NIST
BeCO3	BeCO₃	1	1	Wikipedia	NIST
Beet sugar	Sucrose		1	Wikipedia	NIST
Benzaldehyde		2	6	Wikipedia	NIST
Benzaldehyde radical cation		1			NIST
Benzamide				Wikipedia	NIST
Benzene-1,4-dioic acid		2	2	Wikipedia	NIST
para-Benzeneazophenol		1			NIST
Benzenecarbonal		2	6	Wikipedia	NIST
Benzenecarboxylic acid		6	2	Wikipedia	NIST
Benzenechromium tricarbonyl		1			NIST
Benzenediazonium-2-carboxylate		1	1		NIST
1,2-Benzenedioic acid		2	1	Wikipedia	NIST
Benzenesulfonate ion			1		NIST
Benzenesulfonic acid		2	1		NIST
Benzenol		8	10	Wikipedia	NIST
Benzhydrol		1		Wikipedia	NIST
Benzidine/Trinitrobenzene charge transfer complex		1			NIST
Benzoate ion		2	2	Wikipedia	NIST
Benzofuran				Wikipedia	NIST
Benzoic acid		6	2	Wikipedia	NIST
Benzophenone		4	3	Wikipedia	NIST
Benzophenone ketyl		1	2		NIST
Benzophenone radical anion		1			NIST
singlet Benzophenone		1	1		NIST
triplet Benzophenone		1	1		NIST
Benzopinacole		1			NIST
1,2-Benzopyrone				Wikipedia	NIST
1,4-Benzoquinone		3	1	Wikipedia	NIST
Benzoyl benzene		4	3	Wikipedia	NIST
Benzoyl cation			3		NIST
Benzoyl chloride			1	Wikipedia	NIST
Benzoyl peroxide	(C₆H₅COO)2		3	Wikipedia	NIST
Benzoyl radical		1			NIST
Benzoylmethyleconine				Wikipedia	NIST
Benzpinacol		1			NIST
Benzyl alcohol		5	1	Wikipedia	NIST
Benzyl diethyl phosphonate		1			NIST
Benzyldiphenyl carbinol		1			NIST
Benzylphenylsulfone		1			NIST
Benzylphenylsulfone anion			1	Wikipedia	NIST
BeO	BeO	4	2	Wikipedia	NIST
Beryl	Be₃Al₂Si₆O₁₈		1	Wikipedia
Beryllate ion	[Be(OH)₄]^2–	4			NIST
Beryllium carbonate	BeCO₃	1	1	Wikipedia	NIST
Beryllium hydroxide	Be(OH)₂	7	5	Wikipedia	NIST
Beryllium oxide	BeO	4	2	Wikipedia	NIST
Beryllium silicate	Be₂SiO₄	1			NIST
Beryllium sulfate	BeSO₄	1	2		NIST
Beryllium tetrahydroxide ion	[Be(OH)₄]^2–	4			NIST
BeSO4	BeSO₄	1	2		NIST
BF3 etherate		1	2	Wikipedia	NIST
Bi(NO3)2	Bi(NO₃)₂	1			NIST
Bi2O3	Bi₂O₃	1	1	Wikipedia	NIST
Bicarbonate ion	[HCO₃]^–	4	5		NIST
Biformyl		1	1	Wikipedia	NIST
bis(2-methyloxyethyl) ether			2	Wikipedia	NIST
Bis(butadiene)iron monocarbonyl		1			NIST
bisMethylsulfoxide		3	5	Wikipedia	NIST
Bismuth nitrate	Bi(NO₃)₂	1			NIST
Bismuth(III) oxide	Bi₂O₃	1	1	Wikipedia	NIST
Bisphenol A		1	1	Wikipedia	NIST
Bisphenol A glycidyl ether	Bisphenol A Glycidyl Ether				NIST
Bisulfate ion	[HSO₄]^–	17	3		NIST
Bisulfite ion	[HSO₃]^–	3	8		NIST
Biuret		1		Wikipedia	NIST
Black powder	75% KNO₃, 15% S, 10% C ^gunpowder	1	1	Wikipedia	NIST
Bleach	NaOCl(aq)	4	5	Wikipedia	NIST
Bleaching powder	Ca(OCl)₂ .2H₂O	1		Wikipedia	NIST
[BO2]-	[BO₂]^– [B₃O₆]^3–		2	Wikipedia	NIST
[BO3]3-	[BO₃]^3–			Wikipedia	NIST
Boehmite	AlO(OH)			Wikipedia
Bone ash	Ca₃(PO₄)₂	2	3	Wikipedia	NIST
Boracic acid	H₃BO₃	10	9	Wikipedia	NIST
Borane/THF Complex		1	10		NIST
Borane/THF Complex, 1.0 Molar solution in THF	BF₃←THF ^{in THF}		2		NIST
Borate ion	[B₄O₇]^2–		1	Wikipedia	NIST
Borate ion, meta	[BO₂]^– [B₃O₆]^3–		2	Wikipedia	NIST
Borate ion, ortho	[BO₃]^3–			Wikipedia	NIST
Borax	Na₂[B₄O₅(OH)₄] .8H₂O	1	4	Wikipedia	NIST
Borax (mineral)	Na₂B₄O₇ .10H₂O		1	Wikipedia
Borax glass	Na₂B₄O₇	1	1	Wikipedia	NIST
Boric acid, meta	HBO₂	2	1	Wikipedia	NIST
Boric acid, ortho	H₃BO₃	10	9	Wikipedia	NIST
Boric anhydride	B₂O₃	3	14	Wikipedia	NIST
Boric oxide	B₂O₃	3	14	Wikipedia	NIST
Boron phosphate	BPO₄	1			NIST
Boron sesquioxide	B₂O₃	3	14	Wikipedia	NIST
Boron trifluoride etherate		1	2	Wikipedia	NIST
Boron trioxide	B₂O₃	3	14	Wikipedia	NIST
BPO4	BPO₄	1			NIST
Br2SO	SOBr₂	1	1	Wikipedia	NIST
Brain sugar		1		Wikipedia	NIST
Braunite	3Mn₂O₃ .MnSiO₃			Wikipedia
BrO2	BrO₂	1	1		NIST
[BrO3]-	[BrO₃]^–	3	3	Wikipedia	NIST
[BrO4]-	[BrO₄]^–		1	Wikipedia	NIST
Bromate ion	[BrO₃]^–	3	3	Wikipedia	NIST
Bromic acid	HBrO₃	2		Wikipedia	NIST
Bromine dioxide	BrO₂	1	1		NIST
2-Bromo-1-(4-nitrophenyl)ethanone		1	1		NIST
2-Bromo-4-nitroacetophenone		1	1		NIST
Bromoacetate ion	[BrCH₂COO]^–		1		NIST
Bromoacetic acid	CH₂BrCOOH	1		Wikipedia	NIST
Bromoethanoate ion	[BrCH₂COO]^–		1		NIST
(2R)-2-Bromopropanoate ion		1	1		NIST
(2R)-2-Bromopropanoic acid			2		NIST
N-Bromosuccinimide				Wikipedia	NIST
Bromosulfonic acid		1			NIST
Bromothymol blue	Bromothymol Blue			Wikipedia	NIST
Brookite	TiO₂		1	Wikipedia
[BrO]-	[BrO]^–	1	2		NIST
BrSO3H		1			NIST
Brucite	Mg(OH)₂			Wikipedia
Burnt lime	CaO	7	6	Wikipedia	NIST
Butadiene iron tricarbonyl		1			NIST
Butadiene sulfone		1	1	Wikipedia	NIST
Butadiene, 1,3-methoxy			2		NIST
Butan-1-ol		4	2	Wikipedia	NIST
Butan-2-ol		1	2	Wikipedia	NIST
Butanal		5	6	Wikipedia	NIST
Butanal cyanohydrin		1			NIST
Butane-1,4-diol		4	3		NIST
Butanedioic acid		2	2	Wikipedia	NIST
1,3-Butanediol		1	1		NIST
1,4-Butanediol		4	3		NIST
Butanimide		2		Wikipedia	NIST
Butanoate ion			1		NIST
Butanoic acid		6		Wikipedia	NIST
1-Butanol		4	2	Wikipedia	NIST
2-Butanol		1	2	Wikipedia	NIST
tertiary Butanol	(CH₃)₃COH	7	11	Wikipedia	NIST
Butanone		4	2	Wikipedia	NIST
Butanone cyanohydrin		1	1		NIST
trans-2-Butenal		1	3	Wikipedia	NIST
trans 2-Butene-1,4-diol		1			NIST
cis-Butenedioic acid		1	2	Wikipedia	NIST
trans Butenedioic acid		3	2	Wikipedia	NIST
trans 2-Butenoic acid		1		Wikipedia	NIST
tert Butoxide, potassium		2	2		NIST
Butrophenone		2			NIST
iso-Butyl alcohol		4	1	Wikipedia	NIST
n-Butyl alcohol		4	2	Wikipedia	NIST
sec-Butyl alcohol		1	2	Wikipedia	NIST
tertiary Butyl methyl ether		1		Wikipedia	NIST
tertiary Butyl alkoxide	[(CH₃)₃C–O]^–	1	2		NIST
cis 4-tertiary Butyl cyclohexanol		1			NIST
1,3-Butylene glycol		1	1		NIST
tertiary-Butylhydroperoxide		1	1		NIST
tertiary Butyl nitrite		1			NIST
tertiary Butyl oxonium ion		2			NIST
2-Butyne-1,4-diol		1	2		NIST
Butyraldehyde		5	6	Wikipedia	NIST
Butyric acid		6		Wikipedia	NIST
iso-Butyric acid		1			NIST
gamma Butyrolactam		1		Wikipedia	NIST
gamma-Butyrolactone		2	3	Wikipedia	NIST
C (cysteine)		1	1	Wikipedia	NIST
C (cytosine)	Cytosine C		1	Wikipedia	NIST
C2H4O		2	13	Wikipedia	NIST
(C2H5O)2SO2	(C₂H₅O)₂SO₂	1	1	Wikipedia	NIST
C2H6O	CH₃CH₂OH	15	34	Wikipedia	NIST
C2H6O2		6	9	Wikipedia	NIST
C3O2	O=C=C=C=O	1	2	Wikipedia	NIST
C6H12O6		1		Wikipedia	NIST
(C6H5)3COH		1		Wikipedia	NIST
(C6H5)3PO	(C₆H₅)₃P=O	1		Wikipedia	NIST
C6H5CH2OH		5	1	Wikipedia	NIST
C6H5CHO		2	6	Wikipedia	NIST
C6H5COCH3		3	2	Wikipedia	NIST
C6H5COCl			1	Wikipedia	NIST
C6H5CONH2				Wikipedia	NIST
C6H5COOH		6	2	Wikipedia	NIST
[C6H5COO]-		2	2	Wikipedia	NIST
[C6H5CO]+			3		NIST
C6H5NO			1	Wikipedia	NIST
C6H5NO2		3	6	Wikipedia	NIST
C6H5OC6H5					NIST
C6H5OCH3			2	Wikipedia	NIST
C6H5OH		8	10	Wikipedia	NIST
[C6H5O]-		2	7		NIST
C6H5SO2CH3		1			NIST
[C6H5SO2]-			2		NIST
C6H5SO3H		2	1		NIST
[C6H5SO3]-			1		NIST
C6H6N2O2		1	3	Wikipedia	NIST
Ca(BO2)2	Ca(BO₂)₂				NIST
Ca(CH3COO)2	Ca(CH₃COO)₂	1		Wikipedia	NIST
Ca(HCO3)2	Ca(HCO₃)₂	1	3	Wikipedia	NIST
Ca(OCl)2	Ca(OCl)₂ .2H₂O	1		Wikipedia	NIST
Ca(OH)2	Ca(OH)₂	7	14	Wikipedia	NIST
Ca(OH)2(aq)	Ca(OH)₂(aq)	2	1	Wikipedia	NIST
Ca3(PO4)2	Ca₃(PO₄)₂	2	3	Wikipedia	NIST
CaC2O4	CaC₂O₄	1		Wikipedia	NIST
CaCO3	CaCO₃	10	6	Wikipedia	NIST
Cadmium oxide	CdO			Wikipedia	NIST
Caesium carbonate	Cs₂CO₃	1		Wikipedia	NIST
Calamine	ZnCO₃		1	Wikipedia
Calcinated baryta	BaO	4	3	Wikipedia	NIST
Calcite	CaCO₃			Wikipedia
Calcium acetate	Ca(CH₃COO)₂	1		Wikipedia	NIST
Calcium bicarbonate	Ca(HCO₃)₂	1	3	Wikipedia	NIST
Calcium carbonate	CaCO₃	10	6	Wikipedia	NIST
Calcium hydrate	Ca(OH)₂	7	14	Wikipedia	NIST
Calcium hydrogen carbonate	Ca(HCO₃)₂	1	3	Wikipedia	NIST
Calcium hydroxide	Ca(OH)₂	7	14	Wikipedia	NIST
Calcium hydroxide, saturated soution	Ca(OH)₂(aq)	2	1	Wikipedia	NIST
Calcium hypochlorite	Ca(OCl)₂ .2H₂O	1		Wikipedia	NIST
Calcium metaborate	Ca(BO₂)₂				NIST
Calcium oxalate	CaC₂O₄	1		Wikipedia	NIST
Calcium oxide	CaO	7	6	Wikipedia	NIST
Calcium phosphate, tribasic	Ca₃(PO₄)₂	2	3	Wikipedia	NIST
Calcium silicate	CaSiO₃	4		Wikipedia	NIST
Calcium sulfate	CaSO₄	9	4	Wikipedia	NIST
Calcium sulfate dihydrate	CaSO₄ .2H₂O	2	1	Wikipedia	NIST
Calcium sulfate hemihydrate	CaSO₄ .½H₂O	1	1	Wikipedia	NIST
Calcium sulfite	CaSO₃.x(H₂O)	2		Wikipedia	NIST
Calcium tungstate	CaWO₄	1		Wikipedia	NIST
cAMP	cAMP			Wikipedia	NIST
(1R)-(-)-10-Camphorsulfonic acid		1	1		NIST
Cancrinite	Na₆Ca₂[(CO₃)₂ \| Al₆Si₆O₂₄] .2H₂O			Wikipedia
Cane sugar	Sucrose		1	Wikipedia	NIST
CaO	CaO	7	6	Wikipedia	NIST
Caprolactam		2	1	Wikipedia	NIST
Caprolactone		1		Wikipedia	NIST
Carbamide		4	5	Wikipedia	NIST
Carbamylurea		1		Wikipedia	NIST
Carbanion, acetone enolate			2	Wikipedia	NIST
Carbanion, acetophenone lithium enolate			2		NIST
Carbanion, acetylacetone			1	Wikipedia	NIST
Carbanion, benzylphenylsulfone			1	Wikipedia	NIST
Carbanion, cyclohexanone enolate			1	Wikipedia	NIST
Carbanion, diethyl malonate			1		NIST
Carbanion, dimsyl			1	Wikipedia	NIST
Carbanion, dinitro	[(NO₂)₂CH]^–		1	Wikipedia	NIST
Carbanion, ethyl acetate			3	Wikipedia	NIST
Carbanion, ethyl acetoacetate					NIST
Carbaryl		2		Wikipedia	NIST
Carbenium ion, diamino hydroxy		1			NIST
Carbenium ion, dimethyl hydroxy		1			NIST
Carbenium ion, ethoxy hydroxy methyl		1			NIST
Carbenium ion, hydroxy methyl		1			NIST
Carbolic acid		8	10	Wikipedia	NIST
Carbomethene	H₂C=C=O	4	4	Wikipedia	NIST
Carbon dioxide	CO₂	104	35	Wikipedia	NIST
Carbon dioxide, aqueous	CO₂(aq)	1		Wikipedia	NIST
Carbon monoxide	CO	63	59	Wikipedia	NIST
Carbon oxysulfide	O=C=S	1		Wikipedia	NIST
Carbon suboxide	O=C=C=C=O	1	2	Wikipedia	NIST
Carbonate (hydrogen) ion	[HCO₃]^–	4	5		NIST
Carbonate ion	[CO₃]^2–	1	25	Wikipedia	NIST
Carbonic acid	H₂CO₃	1		Wikipedia	NIST
Carbonimid	HNCO	1			NIST
Carbonyl chloride		2	6	Wikipedia	NIST
Carbonyl sulfide	O=C=S	1		Wikipedia	NIST
3-Carboxy-2-oxo-pentanedioic acid		1	1	Wikipedia	NIST
Carnotite	K₂(UO₂)₂(VO₄)₂ .3H₂O		1	Wikipedia
Caro's acid		2	2	Wikipedia	NIST
CaSiO3	CaSiO₃	4		Wikipedia	NIST
CaSO4	CaSO₄	9	4	Wikipedia	NIST
CaSO4.1/2H2O	CaSO₄ .½H₂O	1	1	Wikipedia	NIST
CaSO4.2H2O	CaSO₄ .2H₂O	2	1	Wikipedia	NIST
Cassiterite	SnO₂			Wikipedia
Caustic potash	KOH	12	18	Wikipedia	NIST
Caustic soda	NaOH	17	61	Wikipedia	NIST
CaWO4	CaWO₄	1		Wikipedia	NIST
CCl3CH2OH	CCl₃CH₂OH	1		Wikipedia	NIST
CCl3CHO	CCl₃CHO		2	Wikipedia	NIST
[CCl3COO]-	[CCl₃COO]^–		1		NIST
CCl3NO2	CCl₃NO₂				NIST
CdO	CdO			Wikipedia	NIST
Ce2O3	Ce₂O₃	1			NIST
Celestine	SrSO₄			Wikipedia
Celite	Kieselguhr		1	Wikipedia
Cellobiose	Cellobiose			Wikipedia	NIST
Cellosolve		1		Wikipedia	NIST
Cellosolve®		1		Wikipedia	NIST
Cellulose	Cellulose		2	Wikipedia
Cellulose nitrate	Nitrocellulose	1	1	Wikipedia	NIST
CeO2	CeO₂	1		Wikipedia	NIST
Ceramic fiber	Ceramic Fiber
Ceramic wool	Ceramic Fiber
Cerebrose		1		Wikipedia	NIST
Ceria	CeO₂	1		Wikipedia	NIST
Cerium(III) oxide	Ce₂O₃	1			NIST
Cerium(IV) oxide	CeO₂	1		Wikipedia	NIST
Cerussite	PbCO₃			Wikipedia
Cesium carbonate	Cs₂CO₃	1		Wikipedia	NIST
Cesium hydroxide	CsOH	7	2	Wikipedia	NIST
Cesium oxide	Cs₂O	2	1		NIST
Cesium peroxide	Cs₂O₂	2			NIST
Cesium superoxide	CsO₂	2			NIST
CF3COOH	CF₃COOH	1		Wikipedia	NIST
[CF3COO]-	[CF₃COO]^–		1		NIST
CF3SO3H	CF₃SO₃H	1		Wikipedia	NIST
[CF3SO3]-	[CF₃SO₃]^–		1	Wikipedia	NIST
cGMP	cGTP			Wikipedia	NIST
CH2=CHCHO		3	4	Wikipedia	NIST
(CH2O)3		1			NIST
(CH2O)n	(CH₂O)_n	1	1	Wikipedia	NIST
CH3(CH2)10COOH	CH₃(CH₂)₁₀COOH	1		Wikipedia	NIST
CH3(CH2)12COOH	CH₃(CH₂)₁₂COOH	2		Wikipedia	NIST
CH3(CH2)14COOH	CH₃(CH₂)₁₄COOH	6		Wikipedia	NIST
CH3(CH2)16COOH	CH₃(CH₂)₁₆COOH	1			NIST
CH3(CH2)16COOLi	CH₃(CH₂)₁₆COOLi			Wikipedia	NIST
CH3(CH2)18COOH	CH₃(CH₂)₁₈COOH			Wikipedia	NIST
(CH3)2CHOH		9	8	Wikipedia	NIST
[(CH3)2CHO]-	[(CH₃)₂CH–O]^–	2	1		NIST
(CH3)2CO		15	19	Wikipedia	NIST
(CH3)2NCHO		2	2	Wikipedia	NIST
(CH3)2O			3	Wikipedia	NIST
(CH3)2SO		3	5	Wikipedia	NIST
(CH3)3CCOOH	(CH₃)₃C–COOH	1			NIST
(CH3)3COH	(CH₃)₃COH	7	11	Wikipedia	NIST
(CH3)3COK		2	2		NIST
[(CH3)3CO]-	[(CH₃)₃C–O]^–	1	2		NIST
[(CH3)3O]+	[(CH₃)₃O]⁺				NIST
[CH3C6H5SO3]-			1		NIST
(CH3CH2)2O		3	17	Wikipedia	NIST
[(CH3CH2)3O]+	[(CH₃CH₂)₃O]⁺				NIST
CH3CH2CH2CH2CH2OH			2	Wikipedia	NIST
CH3CH2CH2CH2CHO		1	3	Wikipedia	NIST
CH3CH2CH2CH2COOH		3		Wikipedia	NIST
CH3CH2CH2CH2OH		4	2	Wikipedia	NIST
CH3CH2CH2CHO		5	6	Wikipedia	NIST
CH3CH2CH2COOH		6		Wikipedia	NIST
[CH3CH2CH2COO]-			1		NIST
CH3CH2CH2OH		4	2	Wikipedia	NIST
CH3CH2CHO		3	3	Wikipedia	NIST
CH3CH2COCl			1		NIST
CH3CH2COOCH2CH2CH3		1			NIST
CH3CH2COOCH2CH3		1			NIST
CH3CH2COOH	CH₃CH₂COOH	5	1	Wikipedia	NIST
[CH3CH2COO]-			1		NIST
(CH3CH2O)3P	(CH₃CH₂O)₃P		4	Wikipedia	NIST
CH3CH2OCH2CH3		3	17	Wikipedia	NIST
CH3CH2OH	CH₃CH₂OH	15	34	Wikipedia	NIST
[CH3CH2O]-	CH₃CH₂O^–	6	5		NIST
(CH3CH3)3OBF4	[Et₃O]⁺[BF₄]^–		1	Wikipedia	NIST
CH3CHO	CH₃CHO	13	20	Wikipedia	NIST
CH3COCH2CH2CH3		1	5	Wikipedia	NIST
CH3COCH2CH3		4	2	Wikipedia	NIST
CH3COCH3		15	19	Wikipedia	NIST
CH3COCl	CH₃COCl		11	Wikipedia	NIST
CH3CONH2	CH₃CONH₂	4	1	Wikipedia	NIST
CH3COOCH2CH3		5	4	Wikipedia	NIST
CH3COOCH3			2	Wikipedia	NIST
CH3COOH	CH₃COOH	32	27	Wikipedia	NIST
CH3COOH(aq)	CH₃COOH(aq)	3		Wikipedia	NIST
CH3COONa	CH₃COONa	4	2	Wikipedia	NIST
CH3COOOH	CH₃COOOH	3	4	Wikipedia	NIST
[CH3COO]-	[CH₃COO]^–	6	10	Wikipedia	NIST
CH3NCO	CH₃–N=C=O		1	Wikipedia	NIST
CH3NO2	CH₃–NO₂	1	2	Wikipedia	NIST
(CH3O)3P	(CH₃O)₃P			Wikipedia	NIST
CH3OCH2CH2OCH2CH2OCH3			2	Wikipedia	NIST
CH3OCH3			3	Wikipedia	NIST
CH3OH	CH₃OH	19	31	Wikipedia	NIST
[CH3O]-	[CH₃–O]^–	1	3	Wikipedia	NIST
CH3SOCH3		3	5	Wikipedia	NIST
Chalcanthite	CuSO₄.5H₂O			Wikipedia
Chalcedony	SiO₂			Wikipedia
Chalybite	FeCO₃			Wikipedia
Chamber crystals	NOHSO₄	2	3		NIST
Chile saltpetre	NaNO₃			Wikipedia
Chitin	Chitin			Wikipedia
Chloral	CCl₃CHO		2	Wikipedia	NIST
Chloral hydrate		1		Wikipedia	NIST
Chloramine T				Wikipedia	NIST
D(-) Chloramphemicol base		1	1	Wikipedia	NIST
Chloramphenicol base (racemic mixture)		1	1	Wikipedia	NIST
D(-) Chloramphenicol		1		Wikipedia	NIST
Chlorate ion	[ClO₃]^–	2	5	Wikipedia	NIST
Chlorate(I) ion	[ClO]^–	2	5	Wikipedia	NIST
Chlorate(III) ion	[ClO₂]^–		3	Wikipedia	NIST
Chlorate(V) ion	[ClO₃]^–	2	5	Wikipedia	NIST
Chlorate(VII) ion	[ClO₄]^–		5	Wikipedia	NIST
Chlordiazepoxide				Wikipedia	NIST
Chloric acid	HClO₃	2	1	Wikipedia	NIST
Chlorinated lime	Ca(OCl)₂ .2H₂O	1		Wikipedia	NIST
Chlorine dioxide	ClO₂	6	4	Wikipedia	NIST
Chlorine monoxide	Cl₂O	1	3	Wikipedia	NIST
Chlorine perchlorate	Cl⁺ [ClO₄]^–	1			NIST
Chlorine peroxide	ClO₂	6	4	Wikipedia	NIST
Chlorite group	(Mg,Fe)₃(Si,Al)₄ O₁₀(OH)₂. (Mg,Fe)₃(OH)₆			Wikipedia
Chlorite ion	[ClO₂]^–		3	Wikipedia	NIST
7-Chloro-1,3-dihydro-1-methyl-5-phenyl-2H-1,4-benzodiazepin-2-one					NIST
1-Chloro-2,3-epoxypropane		3	1	Wikipedia	NIST
1-Chloro-2-hydroxyethane		1	2	Wikipedia	NIST
7-Chloro-2-methylamino-5-phenyl-3H-1,4-benzodiazepin 4-oxide				Wikipedia	NIST
5-Chloro-2-pentanone			1		NIST
1-Chloro-2-propanol		1	1		NIST
Chloroacetate ion	[ClCH₂COO]^–		1		NIST
Chloroacetic acid	CH₂ClCOOH	2		Wikipedia	NIST
meta Chlorobenzoic acid		2			NIST
trans 2-chlorocyclohexanol			1		NIST
Chloroethanoate ion	[ClCH₂COO]^–		1		NIST
2-Chloroethanol		1	2	Wikipedia	NIST
Chloroformyl chloride		2	6	Wikipedia	NIST
Chlorohydrin		1	2	Wikipedia	NIST
Chloromycetin		1		Wikipedia	NIST
meta Chloroperoxybenzoic acid			3	Wikipedia	NIST
Chloropictin	CCl₃NO₂				NIST
2-Chloropropanoic acid			1		NIST
Chlorosulfonic acid	HSO₃Cl	1	2	Wikipedia	NIST
Chlorosulfuric acid	HSO₃Cl	1	2	Wikipedia	NIST
Chlorous acid	HClO₂	2		Wikipedia	NIST
Chlorous(III) acid	HClO₂	2		Wikipedia	NIST
Chlorous(I) acid	HClO	6	4	Wikipedia	NIST
Chromate ion, hydrogen	[HCrO₄]^–				NIST
Chromate(VI) ion	[CrO₄^]2–	3	6	Wikipedia	NIST
Chrome green	Cr₂O₃	3	2	Wikipedia	NIST
Chromic acid	H₂CrO₄	2		Wikipedia	NIST
Chromic anhydride	CrO₃	1	4	Wikipedia	NIST
Chromic oxide	Cr₂O₃	3	2	Wikipedia	NIST
Chromite	FeCr₂O₄		2	Wikipedia
Chromium carbonyl	Cr(CO)₆			Wikipedia	NIST
Chromium trioxide	CrO₃	1	4	Wikipedia	NIST
Chromium(II) hexahydrated ion	[Cr(H₂O)₆]²⁺	3			NIST
Chromium(II) oxide	CrO			Wikipedia	NIST
Chromium(III) dichlorotetraaqua ion	[CrCl₂(H₂O)₄]⁺	1	1		NIST
Chromium(III) hexahydrated ion	[Cr(H₂O)₆]²⁺	3	9		NIST
Chromium(III) hexahydroxy ion	[Cr(OH)₆]^3–	2	1		NIST
Chromium(III) hydroxide	Cr(OH)₃				NIST
Chromium(III) oxide	Cr₂O₃	3	2	Wikipedia	NIST
Chromium(III) pentaaquahydroxy ion	Cr(H₂O)₅(OH)]²⁺	2			NIST
Chromium(III) triaquatrihydroxy complex	Cr(H₂O)₃(OH)₃ Cr(OH)₃	3	3		NIST
Chromium(IV) oxide	CrO₂			Wikipedia	NIST
Chromium(VI) oxide	CrO₃	1	4	Wikipedia	NIST
Chrysoberyl	BeAl₂O₄		1	Wikipedia
Cinnamaldehyde			3	Wikipedia	NIST
cis Cinnamate ion			1		NIST
trans Cinnamate ion			1		NIST
cis Cinnamic acid		1			NIST
trans Cinnamic acid		1		Wikipedia	NIST
Cinnamyl alcohol		2		Wikipedia	NIST
Citrate (dihydrogen) ion		1	1		NIST
Citrate (hydrogen) ion		1	1		NIST
Citrate ion			1		NIST
Citric acid		2	1	Wikipedia	NIST
Cl(ClO4)	Cl⁺ [ClO₄]^–	1			NIST
Cl2O	Cl₂O	1	3	Wikipedia	NIST
Cl2O7	Cl₂O₇	1	1	Wikipedia	NIST
ClCH2CH2OH		1	2	Wikipedia	NIST
ClCHO		1			NIST
ClCOOCH3	ClCOOCH₃		1		NIST
Clinozoisite	Ca₂Al₃Si₃ O₁₂(OH)			Wikipedia
ClO2	ClO₂	6	4	Wikipedia	NIST
[ClO2]-	[ClO₂]^–		3	Wikipedia	NIST
ClO3H	HClO₃	2	1	Wikipedia	NIST
[ClO3]-	[ClO₃]^–	2	5	Wikipedia	NIST
[ClO4]-	[ClO₄]^–		5	Wikipedia	NIST
[ClO]-	[ClO]^–	2	5	Wikipedia	NIST
CO	CO	63	59	Wikipedia	NIST
[Co(C2O4)3]4-	[Co(C₂O₄)₃]^4–	1			NIST
[Co(EDTA)]2-	[Co(EDTA)]^3–	2			NIST
Co(H2O)4(OH)2	Co(H₂O)₄(OH)₂ Co(OH)₂	3	1		NIST
[Co(H2O)6]2+	[Co(H₂O)₆]²⁺	4	10		NIST
Co(OH)2	Co(OH)₂	1			NIST
Co(OH)3	Co(OH)₃	1			NIST
CO2	CO₂	104	35	Wikipedia	NIST
CO2(aq)	CO₂(aq)	1		Wikipedia	NIST
Co2(CO)8	Co₂(CO)₈			Wikipedia	NIST
Co2(CO)8	Co₂(CO)₈	1	1		NIST
Co2O3	Co₂O₃			Wikipedia	NIST
Co3O4	Co₃O₄				NIST
[CO3]2-	[CO₃]^2–	1	25	Wikipedia	NIST
Coal gas	CO + H₂	1		Wikipedia	NIST
Cobalt black	Co₂O₃			Wikipedia	NIST
Cobalt bloom	Co₃(AsO₄)₂ .8H₂O		1	Wikipedia
Cobalt tetracarbonyl	Co₂(CO)₈	1	1		NIST
Cobalt(II) carbonate	CoCO₃	1		Wikipedia	NIST
Cobalt(II) EDTA complex ion	[Co(EDTA)]^3–	2			NIST
Cobalt(II) hexahydrated ion	[Co(H₂O)₆]²⁺	4	10		NIST
Cobalt(II) hydroxide	Co(OH)₂	1			NIST
Cobalt(II) oxide	CoO			Wikipedia	NIST
Cobalt(II) sulfate	CoSO₄	1			NIST
Cobalt(II) tetraaquadihydroxy complex	Co(H₂O)₄(OH)₂ Co(OH)₂	3	1		NIST
Cobalt(II) tris(ethanedioate) complex ion	[Co(C₂O₄)₃]^4–	1			NIST
Cobalt(II,III) oxide	Co₃O₄				NIST
Cobalt(III) hydroxide	Co(OH)₃	1			NIST
Cobalt(III) oxide	Co₂O₃			Wikipedia	NIST
Cobalt(IV) oxide	CoO₂				NIST
Cobaltic oxide	Co₂O₃			Wikipedia	NIST
Cocaine				Wikipedia	NIST
(COCl)2				Wikipedia	NIST
COCl2		2	6	Wikipedia	NIST
CoCO3	CoCO₃	1		Wikipedia	NIST
Codeine				Wikipedia	NIST
Coenzyme A	CoA–SH	2	1	Wikipedia	NIST
Colemanite	Ca₂B₆O₁₁ .5H₂O			Wikipedia
Columbite	(Fe,Mn)Nb₂O₆			Wikipedia
CoO	CoO			Wikipedia	NIST
CoO2	CoO₂				NIST
(COOH)2		5	2	Wikipedia	NIST
Copper carbonate hydroxide	CuCO₃. Cu(OH)₂			Wikipedia	NIST
Copper(I) oxide	Cu₂O	4	1	Wikipedia	NIST
Copper(II) carbonate	CuCO₃ ^(unknown)	2	1	Wikipedia	NIST
Copper(II) carbonate, basic	2CuCO₃. Cu(OH)₂			Wikipedia	NIST
Copper(II) EDTA complex ion	[Cu(EDTA)]^2–	2			NIST
Copper(II) hexahydrated ion	[Cu(H₂O)₆]²⁺	3	8		NIST
Copper(II) hydroxide	Cu(OH)₂	2	1	Wikipedia	NIST
Copper(II) nitrate	Cu(NO₃)₂	4	1	Wikipedia	NIST
Copper(II) oxide	CuO	4	4	Wikipedia	NIST
Copper(II) sulfate.5H2O	CuSO₄.5H₂O	1	2	Wikipedia	NIST
Copper(II) sulfate	CuSO₄	2	4	Wikipedia	NIST
Copper(II) tetraaquadihydroxy complex	Cu(H₂O)₄(OH)₂ Cu(OH)₂	3	1		NIST
Cordierite	(Mg,Fe)₂Al₄Si₅O₁₈			Wikipedia
Corundum	Al₂O₃ ^Corundum			Wikipedia
Corundum	Al₂O₃			Wikipedia
COS	O=C=S	1		Wikipedia	NIST
CoSO4	CoSO₄	1			NIST
Coumarin				Wikipedia	NIST
Coumaron				Wikipedia	NIST
Cr(CO)6	Cr(CO)₆			Wikipedia	NIST
Cr(H2O)3(OH)3	Cr(H₂O)₃(OH)₃ Cr(OH)₃	3	3		NIST
[Cr(H2O)5(OH)]2+	Cr(H₂O)₅(OH)]²⁺	2			NIST
[Cr(H2O)6]2+	[Cr(H₂O)₆]²⁺	3			NIST
[Cr(H2O)6]3+	[Cr(H₂O)₆]²⁺	3	9		NIST
Cr(OH)3	Cr(OH)₃				NIST
[Cr(OH)6]3-	[Cr(OH)₆]^3–	2	1		NIST
Cr2O3	Cr₂O₃	3	2	Wikipedia	NIST
[Cr2O7]2-	[Cr₂O₇]^2–	1	13	Wikipedia	NIST
Crack cocaine				Wikipedia	NIST
Crack gas	CO + 3H₂ ^{Crack Gas}	1		Wikipedia	NIST
[CrCl2(H2O)4]+	[CrCl₂(H₂O)₄]⁺	1	1		NIST
CrO	CrO			Wikipedia	NIST
CrO2	CrO₂			Wikipedia	NIST
CrO3	CrO₃	1	4	Wikipedia	NIST
[CrO4]-	[CrO₄^]2–	3	6	Wikipedia	NIST
Crocoite	PbCrO₄			Wikipedia
Cross-linked grafted polyethylene		1			NIST
Crotonaldehyde		1	3	Wikipedia	NIST
Crotonic acid		1		Wikipedia	NIST
18-Crown-6			4	Wikipedia	NIST
Cs2CO3	Cs₂CO₃	1		Wikipedia	NIST
Cs2O	Cs₂O	2	1		NIST
Cs2O2	Cs₂O₂	2			NIST
CsO2	CsO₂	2			NIST
CsOH	CsOH	7	2	Wikipedia	NIST
CsSO3	CaSO₃.x(H₂O)	2		Wikipedia	NIST
[Cu(EDTA)]2-	[Cu(EDTA)]^2–	2			NIST
[Cu(H2O)4(OH)2]	Cu(H₂O)₄(OH)₂ Cu(OH)₂	3	1		NIST
[Cu(H2O)6]2+	[Cu(H₂O)₆]²⁺	3	8		NIST
[Cu(NH3)4(H2O)2]2+	[Cu(NH₃)₄(H₂O)₂]²⁺	2			NIST
Cu(NO3)2	Cu(NO₃)₂	4	1	Wikipedia	NIST
Cu(OH)2	Cu(OH)₂	2	1	Wikipedia	NIST
Cu2O	Cu₂O	4	1	Wikipedia	NIST
CuCO3	CuCO₃ ^(unknown)	2	1	Wikipedia	NIST
CuCO3.Cu(OH)2	CuCO₃. Cu(OH)₂			Wikipedia	NIST
2CuCO3.Cu(OH)2	2CuCO₃. Cu(OH)₂			Wikipedia	NIST
Cumene hydroperoxide		1	1		NIST
CuO	CuO	4	4	Wikipedia	NIST
Cupric carbonate	CuCO₃ ^(unknown)	2	1	Wikipedia	NIST
Cupric carbonate, basic	CuCO₃. Cu(OH)₂			Wikipedia	NIST
Cupric hydroxide	Cu(OH)₂	2	1	Wikipedia	NIST
Cupric nitrate	Cu(NO₃)₂	4	1	Wikipedia	NIST
Cupric oxide	CuO	4	4	Wikipedia	NIST
Cupric sulfate pentahydrate	CuSO₄.5H₂O	1	2	Wikipedia	NIST
Cupric sulfate, anhydrous	CuSO₄	2	4	Wikipedia	NIST
Cuprite	Cu₂O		1	Wikipedia
Cuprous oxide	Cu₂O	4	1	Wikipedia	NIST
CuSO4	CuSO₄.5H₂O	1	2	Wikipedia	NIST
CuSO4	CuSO₄	2	4	Wikipedia	NIST
CuSO4.5H2O	CuSO₄.5H₂O	1	2	Wikipedia	NIST
Cyanate ion	[NCO]^–	3	4	Wikipedia	NIST
Cyanic acid	HNCO	1			NIST
Cyanoacetate ion			1		NIST
Cyanoacetic acid		1			NIST
1-Cyanobutan-1-ol		1			NIST
3-Cyanopropanoate		1			NIST
Cyclic adenosine monophosphate	cAMP			Wikipedia	NIST
Cyclic AMP	cAMP			Wikipedia	NIST
Cyclic GMP	cGTP			Wikipedia	NIST
Cyclobutanone		1			NIST
Cycloheptatriene chromium tricarbonyl		1			NIST
2,5-Cyclohexadiene-1,4-dione		3	1	Wikipedia	NIST
Cyclohexane carboxylic acid		1	1		NIST
Cyclohexanol		5	3	Wikipedia	NIST
Cyclohexanol, cis 4-tertiary butyl		1			NIST
Cyclohexanone		5	5	Wikipedia	NIST
Cyclohexanone enolate ion			1	Wikipedia	NIST
Cyclohexanone oxime		3	1		NIST
Cyclohexene oxide		2	1		NIST
3-Cyclohexene carboxaldehyde		1			NIST
2-Cyclohexenol		2			NIST
2-Cyclohexenone		4	2	Wikipedia	NIST
Cyclonite		1	3	Wikipedia	NIST
2,4-Cyclopentadienone			1		NIST
Cyclopentane carboxylate ion		1	1		NIST
Cyclopentane carboxylic acid		1			NIST
Cyclopentanol		2		Wikipedia	NIST
Cyclopentanone		2	2	Wikipedia	NIST
2-Cyclopentenol		2			NIST
2-Cyclopentenone			2		NIST
Cyclopropane carboxylate ion			1		NIST
Cyclopropane carboxylic acid		1			NIST
Cyclopropane methanol					NIST
1-Cyclopropylethanone		1			NIST
Cyclopropylmethyl ketone		1			NIST
Cyclotetramethylenetetranitramine			1	Wikipedia	NIST
Cyclotrimethylenetrinitramine		1	3	Wikipedia	NIST
Cys		1	1	Wikipedia	NIST
Cysteine		1	1	Wikipedia	NIST
Cysteine, deprotonated		1	1	Wikipedia	NIST
Cysteine, doubly-deprotonated			1	Wikipedia	NIST
Cysteine, protonated		1		Wikipedia	NIST
Cytosine	Cytosine C		1	Wikipedia	NIST
Cytosine/Guanine dimer	C≡G	1			NIST
D (aspartic acid)		1	1	Wikipedia	NIST
D2O	D₂		1	Wikipedia	NIST
DBTDL	DBTDL		1		NIST
cis beta-Decalone		4			NIST
trans beta-Decalone		4			NIST
Descloizite	Pb(Zn,Cu) VO₄(OH)			Wikipedia
Detergent, WAS		2		Wikipedia	NIST
Deuterium oxide	D₂		1	Wikipedia	NIST
Dextrose		6	5	Wikipedia	NIST
DHMO	H₂O	529	531	Wikipedia	NIST
Di-n-butyldilauraltin	DBTDL		1		NIST
Diaboletite	Pb₂CuCl₂(OH)₄
Diacetone alcohol		1	1		NIST
Diacetylmorphine		1		Wikipedia	NIST
Diammonium peroxodisulfate	(NH₄)₂S₂O₈	2	1		NIST
Diamorphine		1		Wikipedia	NIST
Diaspore	AlO(OH)		1	Wikipedia
Diatomaceous earth	Kieselguhr		1	Wikipedia
Diazepam					NIST
Dibenzoyl peroxide	(C₆H₅COO)2		3	Wikipedia	NIST
Di-tertary-butoxycarbonate		1			NIST
Dibutyltin dilayrate	DBTDL		1		NIST
Dichlorine heptoxide	Cl₂O₇	1	1	Wikipedia	NIST
Dichlorine monoxide	Cl₂O	1	3	Wikipedia	NIST
D(-)threo-2,2-Dichloro-N-[b-hydroxy-a-(hydroxymethyl)-p-nitrophenyl]acetamide		1		Wikipedia	NIST
Dichloroacetate ion	[CHCl₂COO]^–		1		NIST
Dichloroacetic acid	CHCl₂COOH	2		Wikipedia	NIST
Dichlorotetraaquachromium(III) ion	[CrCl₂(H₂O)₄]⁺	1	1		NIST
Dichlorotetraaquavanadium(III) ion	[VCl₂(H₂O)₄]⁺	2	2		NIST
Dichromate(VI) ion	[Cr₂O₇]^2–	1	13	Wikipedia	NIST
Dicobalt octacarbonyl	Co₂(CO)₈			Wikipedia	NIST
Dicobalt octacarbonyl	Co₂(CO)₈	1	1		NIST
12,12-Diethoxy-9,10-dihydro-9,10-ethano-10a-azonaanthracene		1			NIST
1,1-Diethoxyethene			2		NIST
Diethyl adipate			1		NIST
Diethyl malonate			1	Wikipedia	NIST
Diethyl malonate carbanion			1		NIST
Diethyl sulfate	(C₂H₅O)₂SO₂	1	1	Wikipedia	NIST
5,5-Diethylbarbituric acid				Wikipedia	NIST
Diethylene dioxide		2	1	Wikipedia	NIST
Diethylene glycol dimethyl ether			2	Wikipedia	NIST
Diethylether		3	17	Wikipedia	NIST
Diethylisopropyl malonate		1			NIST
Diethyloxonium ion		1			NIST
Diformyl		1	1	Wikipedia	NIST
Diglyme			2	Wikipedia	NIST
3,4-Dihydro-1(2H)-naphthalenone		4			NIST
Dihydrogen arsenate ion	[H₂AsO₄]^–	1	1		NIST
Dihydrogen citrate ion		1	1		NIST
Dihydrogen germanate ion	[H₂GeO₄]^2–		1		NIST
Dihydrogen monoxide	H₂O	529	531	Wikipedia	NIST
Dihydrogen phosphate ion	[H₂PO₄]^–	1	3		NIST
3,4-Dihydro-2H-pyran					NIST
2,5-Dihydrothiophene-1,1-dioxide		1	1	Wikipedia	NIST
(-)-3,4-Dihydroxy-1-[1-hydroxy-2-(methylamino)ethyl]benzene				Wikipedia	NIST
2,4-Dihydroxy-5-methylpyrimidine	Thymine T		1	Wikipedia	NIST
Dihydroxyacetone				Wikipedia	NIST
9,10-Dihydroxyanthracene		1	1		NIST
1,4-Dihydroxybenzene		2		Wikipedia	NIST
1,3-Dihydroxybutane		1	1		NIST
d/l-2,3-Dihydroxybutanedioic acid		2		Wikipedia	NIST
1,2-Dihydroxyethane		6	9	Wikipedia	NIST
Dihydroxymethyl carbenium ion		1			NIST
2,2-Dihydroxymethyl-1,3-propanediol		1	1	Wikipedia	NIST
(2R)-2,3-Dihydroxypropanal			1		NIST
1,3-Dihydroxypropanone				Wikipedia	NIST
Diiron nonacarbonyl	Fe₂(CO)₉	1		Wikipedia	NIST
Diketene		1		Wikipedia	NIST
2,5-Diketotetrahydrofuran		2			NIST
Dilute nitric acid	HNO₃(aq)	3	3	Wikipedia	NIST
Dilute sodium hydroxide	NaOH(aq)	5	37	Wikipedia	NIST
Dilute sulfuric acid	H₂SO₄(aq)	3	11	Wikipedia	NIST
Dimanganese decacarbonyl	Mn₂(CO)₁₀			Wikipedia	NIST
cis Dimethyl butendioate			1		NIST
cis Dimethyl butendioate anhydride		4	8	Wikipedia	NIST
trans Dimethyl butendioate			1		NIST
Dimethyl ether			3	Wikipedia	NIST
Dimethyl fumarate			1		NIST
Dimethyl ketone		15	19	Wikipedia	NIST
Dimethyl maleate			1		NIST
Dimethyl (4R,5S)-cyclohexene-4,5-dicarboxylate		1			NIST
Dimethyl (4S,5S)-cyclohexene-4,5-dicarboxylate		1			NIST
4,4-Dimethyl-1,3-dioxane		1	1		NIST
3,3-Dimethyl-2-butanone		1	1	Wikipedia	NIST
4,5-Dimethyl-4-cyclohexene-1,2-dicarboxylic acid anhydride		1			NIST
3-[2-(Dimethylamino)ethyl]indol-4-ol				Wikipedia	NIST
4-[4-(Dimethylamino)phenylazo]benzenesulfonic acid, sodium salt	Methyl Orange			Wikipedia	NIST
4-[4-(Dimethylamino)phenylazo]benzoic acid	Methyl Red			Wikipedia	NIST
alpha, alpha-Dimethylbenzyl hydroperoxide		1	1		NIST
3,3-Dimethylbutan-2-one		1	1	Wikipedia	NIST
Dimethyldioxirane			1	Wikipedia	NIST
Dimethylether/Hydrogen fluoride Complex		1			NIST
Dimethylformamide		2	2	Wikipedia	NIST
Dimethylformamide, protonated		1			NIST
Dimethylhydroxy carbenium ion		1			NIST
Dimethyloxonium ion		1			NIST
Dimethylphosphoramidocyanic acid, ethyl ester				Wikipedia	NIST
2,2-Dimethylpropanoic acid	(CH₃)₃C–COOH	1			NIST
2,2-Dimethylpropanoic acid		1			NIST
Dimethylsulfoxide		3	5	Wikipedia	NIST
Dimethylsulfoxide anion			1	Wikipedia	NIST
Dimethylsulfoxide, protonated		1			NIST
Dimsyl ion			1	Wikipedia	NIST
Dinitrogen monoxide	N₂O	4	2	Wikipedia	NIST
Dinitrogen pentoxide	N₂O₅	2	4	Wikipedia	NIST
Dinitrogen tetroxide	N₂O₄	2	6		NIST
Dinitrogen trioxide	N₂O₃	2	2	Wikipedia	NIST
Dinitromethane	(NO₂)₂CH₂	1			NIST
Dinitromethane anion	[(NO₂)₂CH]^–		1	Wikipedia	NIST
2,4-Dinitrophenol		1		Wikipedia	NIST
2,4-Dinitrophenoxide ion			1		NIST
2,4-Dinitrophenyl hydrazine				Wikipedia	NIST
Diopside	MgCaSi₂O₆			Wikipedia
Dioptase	CuSiO₂(OH)₂			Wikipedia
1,4-Dioxane		2	1	Wikipedia	NIST
1,4-Dioxane, protonated		1			NIST
Dioxide, lead	PbO₂		4	Wikipedia	NIST
1,3-Dioxolan-2-one		1	1	Wikipedia	NIST
Dioxovanadium(V) ion	[VO₂]⁺ [VO(H₂O)₅]³⁺	2	3		NIST
Dioxygen	O₂	60	163	Wikipedia	NIST
Dioxygen cation	[O–O]⁺	1			NIST
Dioxygen difluoride	O₂F₂	1		Wikipedia	NIST
Diphenyl ether					NIST
Diphenylketone		4	3	Wikipedia	NIST
Diphenylmethanol		1		Wikipedia	NIST
Dirhenium heptoxide	Re₂O₇			Wikipedia	NIST
Disodium oxalate		2	1	Wikipedia	NIST
Disodium peroxodisulfate	Na₂S₂O₈	1			NIST
Disthene	Al₂SiO₅			Wikipedia
Disulfite ion			2		NIST
Disulfuric acid	H₂S₂O₇	1	6	Wikipedia	NIST
Disulfurous acid		1			NIST
Dithionate ion			2	Wikipedia	NIST
Dithionic acid		1			NIST
Dithionite ion		1	3	Wikipedia	NIST
Dithionous acid		1			NIST
Dithiosulfatosilver(I) ion	[Ag(S₂O₃)₂]^3–	3			NIST
DMDO			1	Wikipedia	NIST
DMF		2	2	Wikipedia	NIST
DMSO		3	5	Wikipedia	NIST
DMSO anion			1	Wikipedia	NIST
Dodecanoic acid	CH₃(CH₂)₁₀COOH	1		Wikipedia	NIST
DOH	DOH	1			NIST
Dolomite	CaMg(CO₃)₂			Wikipedia
Dolophine, Amidone, Methadose, Physeptone, Heptadon				Wikipedia	NIST
Dumortierite	(Al,Fe)₇BSi₃O₁₈			Wikipedia
Dy2O3	Dy₂O₃				NIST
Dysprosia	Dy₂O₃				NIST
Dysprosium oxide	Dy₂O₃				NIST
E (glutamic acid)		1	1	Wikipedia	NIST
EDTA		1		Wikipedia	NIST
EDTA dianion		1	1		NIST
EDTA monoanion		1	1		NIST
EDTA tetraanion			5		NIST
EDTA trianion		1	1		NIST
Eicosanic acid	CH₃(CH₂)₁₈COOH			Wikipedia	NIST
(5Z, 8Z, 11Z, 14Z, 17Z)-Eicosapentaeneoic acid	EPA			Wikipedia	NIST
(5Z, 8Z, 11Z, 15Z)-Eicosatetraenoic acid	Arachidonic Acid			Wikipedia	NIST
Eigen Cation		1		Wikipedia	NIST
Enstatite	MgSiO₃			Wikipedia
EO		2	13	Wikipedia	NIST
EPA	EPA			Wikipedia	NIST
Epichlorohydrin		3	1	Wikipedia	NIST
Epidote	Ca₂(Al,Fe)₃ Si₃O₁₂(OH)			Wikipedia
Epinephrine				Wikipedia	NIST
1,4-Epoxy-1,3-butadiene			1	Wikipedia	NIST
Epoxyethane		2	13	Wikipedia	NIST
Epsom salt	MgSO₄.7H₂O			Wikipedia
Epsomite	MgSO₄.7H₂O			Wikipedia
Equisetic acid		1	1	Wikipedia	NIST
Er2O3	Er₂O₃			Wikipedia	NIST
Erbia	Er₂O₃			Wikipedia	NIST
Erbium(III) oxide	Er₂O₃			Wikipedia	NIST
Erythrite	Co₃(AsO₄)₂ .8H₂O		1	Wikipedia
D-Erythrose		1	1	Wikipedia	NIST
D-Erythrulose				Wikipedia	NIST
Et2O		3	17	Wikipedia	NIST
Et3OBF4	[Et₃O]⁺[BF₄]^–		1	Wikipedia	NIST
[Et3O]+	[(CH₃CH₂)₃O]⁺				NIST
EtCOOEt		1			NIST
Ethanal	CH₃CHO	13	20	Wikipedia	NIST
Ethanal enolate		1		Wikipedia	NIST
Ethanamide	CH₃CONH₂	4	1	Wikipedia	NIST
Ethane 1,2-diol mono anion		2	1		NIST
Ethane, 1,2-epoxy		2	13	Wikipedia	NIST
Ethane-1,2-diol		6	9	Wikipedia	NIST
Ethanedial		1	1	Wikipedia	NIST
Ethanedioate ion	[C₂O₄]^2–	1	13	Wikipedia	NIST
Ethanedioic acid		5	2	Wikipedia	NIST
Ethanedioyl chloride				Wikipedia	NIST
Ethanoate ion	[CH₃COO]^–	6	10	Wikipedia	NIST
Ethanoic acid	CH₃COOH	32	27	Wikipedia	NIST
Ethanoic acid, aqueous	CH₃COOH(aq)	3		Wikipedia	NIST
Ethanoic acid, sodium salt	CH₃COONa	4	2	Wikipedia	NIST
Ethanoic anhydride	(CH₃CO)₂CO	4	12	Wikipedia	NIST
Ethanol	CH₃CH₂OH	15	34	Wikipedia	NIST
Ethanolamine		1	3	Wikipedia	NIST
Ethanolamine, protonated		1			NIST
1,12-Ethanoperylene-13,14-dioic anhydride		1			NIST
Ethanoyl cation	[CH₃CO]⁺	1	13		NIST
Ethanoyl chloride	CH₃COCl		11	Wikipedia	NIST
2-Ethanoyloxybenzoic acid		2		Wikipedia	NIST
2-Ethanoyloxyethyl ethanoate		1	1		NIST
Ethenone	H₂C=C=O	4	4	Wikipedia	NIST
Ethenyl ethanoate		3	1	Wikipedia	NIST
Ether, allyl phenyl			1		NIST
Ether, diphenyl					NIST
Ether, ethyl isopropyl		1			NIST
Ethoxide ion	CH₃CH₂O^–	6	5		NIST
2-Ethoxyethanol		1		Wikipedia	NIST
(1-Ethoxy ethenyl) benzene		2			NIST
2-(2-Ethoxyethoxy)ethanol		1		Wikipedia	NIST
Ethyl 2-oxocyclopentanecarboxylate		1	1		NIST
Ethyl 3-oxobutanoate		2		Wikipedia	NIST
Ethyl acetate		5	4	Wikipedia	NIST
Ethyl acetoacetate		2		Wikipedia	NIST
Ethyl acetoacetate anion					NIST
Ethyl alcohol	CH₃CH₂OH	15	34	Wikipedia	NIST
Ethyl ethanoate		5	4	Wikipedia	NIST
Ethyl ether		3	17	Wikipedia	NIST
Ethyl ethyl hexanedioate			1		NIST
Ethyl hydrogensulfate		1	1		NIST
Ethyl hydrogensulphate		1	1		NIST
Ethyl isopropyl ether		1			NIST
Ethyl propanoate		1			NIST
Ethyl propionate		1			NIST
5-Ethyl-5-(1-methylbutyl)-2-thiobarbiturate sodium salt				Wikipedia	NIST
N-Ethylacetamide		1			NIST
Ethylacetate anion			3	Wikipedia	NIST
Ethylacetate, protonated		1			NIST
Ethylene carbonate		1	1	Wikipedia	NIST
Ethylene chlorohydrin		1	2	Wikipedia	NIST
Ethylene cyanohydrin		1	3		NIST
Ethylene glycol		6	9	Wikipedia	NIST
Ethylene glycol anion		2	1		NIST
Ethylene glycol diacetate		1	1		NIST
Ethylene glycol diacetate		1	1		NIST
Ethylene glycol dianion			1		NIST
Ethylene glycol ethyl ether		1		Wikipedia	NIST
Ethylene oxide		2	13	Wikipedia	NIST
Ethyleneacetic acid		1			NIST
Ethylenediamine tetraacetic acid		1		Wikipedia	NIST
Ethylenediaminetetraacetic acid dianion		1	1		NIST
Ethylenediaminetetraacetic acid mono anion		1	1		NIST
Ethylenediaminetetraacetic acid tetraanion			5		NIST
Ethylenediaminetetraacetic acid trianion		1	1		NIST
Ethylethanamide		1			NIST
Ethyloxonium ion		1	2		NIST
(EtO)3P	(CH₃CH₂O)₃P		4	Wikipedia	NIST
EtOEt		3	17	Wikipedia	NIST
EtOH	CH₃CH₂OH	15	34	Wikipedia	NIST
EtOiPr		1			NIST
[EtO]-	CH₃CH₂O^–	6	5		NIST
Eu2O3	Eu₂O₃				NIST
Euclase	BeAlSiO₄(OH)			Wikipedia
Eugenol		1			NIST
Europium(III) oxide	Eu₂O₃				NIST
F (phenylalanine)		1	1	Wikipedia	NIST
F2O	OF₂	1		Wikipedia	NIST
F2O2	O₂F₂	1		Wikipedia	NIST
F2SO	SOF₂	1	1	Wikipedia	NIST
Fatty acid alkali metal salt	Soap	1		Wikipedia
[Fe(C2O4)3]3-	[Fe(C₂O₄)₃]^3–	2			NIST
Fe(CO)5	Fe(CO)₅	1	2	Wikipedia	NIST
Fe(H2O)3(OH)3	Fe(H₂O)₃(OH)₃ Fe(OH)₃	5	1		NIST
Fe(H2O)4(OH)2	Fe(H₂O)₄(OH)₂ Fe(OH)₂	4	1		NIST
[Fe(H2O)5(OH)]2+	[Co(NH₃)₆]²⁺	1			NIST
[Fe(H2O)5(SCN)]2+	[Fe(H₂O)₅(SCN)]²⁺	1			NIST
[Fe(H2O)6]2+	[Fe(H₂O)₆]²⁺	3	10		NIST
[Fe(H2O)6]3+	[Fe(H₂O)₆]³⁺	6	9		NIST
Fe(NO3)3.9H2O	Fe(NO₃)₃ .9H₂O	1		Wikipedia	NIST
Fe(OH)2	Fe(OH)₂	1		Wikipedia	NIST
Fe(OH)3	Fe(OH)₃	3		Wikipedia	NIST
Fe2(CO)9	Fe₂(CO)₉	1		Wikipedia	NIST
Fe2(SO4)3.5H2O	Fe₂(SO₄)₃ .5H₂O		2	Wikipedia	NIST
Fe2O3	Fe₂O₃	4	5	Wikipedia	NIST
FeC2O4	FeC₂O₄	1	1		NIST
FeCO3	FeCO₃	2		Wikipedia	NIST
FeO	FeO	3		Wikipedia	NIST
FeO.Fe2O3	FeO.Fe₂O₃	1	2	Wikipedia	NIST
Ferberite	FeWO₄			Wikipedia
Ferric hydroxide	Fe(OH)₃	3		Wikipedia	NIST
Ferric oxide	Fe₂O₃	4	5	Wikipedia	NIST
Ferrous carbonate	FeCO₃	2		Wikipedia	NIST
Ferrous hydroxide	Fe(OH)₂	1		Wikipedia	NIST
Ferrous oxalate	FeC₂O₄	1	1		NIST
Ferrous oxide	FeO	3		Wikipedia	NIST
Ferrous tungstate	FeWO₄	1			NIST
FeSO4.7H2O	FeSO₄.7H₂O	1	2		NIST
FeSO4Cl	FeSO₄Cl		1		NIST
FeWO4	FeWO₄	1			NIST
Fiber, ceramic	Ceramic Fiber
Fiber, rock	Rock Fiber			Wikipedia
Fiber, slag	Slag Fiber
Fiberglass	Glass Fiber			Wikipedia
Fibrolite	Al₂SiO₅
Flowers of antimony	Sb₂O₃	2	2	Wikipedia	NIST
Fluorine dioxide	O₂F₂	1		Wikipedia	NIST
Fluorine monoxide	OF₂	1		Wikipedia	NIST
Fluorosulfonate ion	[FSO₃]^–		1		NIST
Fluorosulfonic acid	HSO₃F	2	2	Wikipedia	NIST
Fluorosulfonic acid.antimony(V) pentafluoride	H⁺[SbF₆]^– .SO₃			Wikipedia	NIST
FOH	HOF	2	1		NIST
Formaldehyde	HCHO	6	25	Wikipedia	NIST
Formaldehyde solution		1	1	Wikipedia	NIST
Formaldehyde, protonated		1			NIST
Formalin		1	1	Wikipedia	NIST
Formamide	HCONH₂	2	2	Wikipedia	NIST
Formate ion	[HCOO]^–		1	Wikipedia	NIST
Formic acid	HCOOH	7	2	Wikipedia	NIST
Formyl cation		1	2		NIST
Formyl chloride		1			NIST
Formylformic acid		1		Wikipedia	NIST
Formylmethanoic acid		1		Wikipedia	NIST
Fossil flour	Kieselguhr		1	Wikipedia
[FO]-	[FO]^–		1		NIST
Franklinite	(Zn,Mn²⁺,Fe²⁺) (Fe³⁺,Mn³⁺)₂O₄		1	Wikipedia
Fremy's salt	(KSO₃)₂NO		1	Wikipedia	NIST
D-Fructose		1	1	Wikipedia	NIST
Fruit sugar		1	1	Wikipedia	NIST
[FSO3]-	[FSO₃]^–		1		NIST
Fulminate ion	[O=N=C]^–		2	Wikipedia	NIST
Fulminic acid	H–O=N=C	1		Wikipedia	NIST
Fumarate (hydrogen) ion		1	1		NIST
Fumarate dianion			1		NIST
Fumaric acid		3	2	Wikipedia	NIST
Fuming nitric acid	HNO₃ ^fuming	2	3	Wikipedia	NIST
Furan			1	Wikipedia	NIST
Fused quartz	Quartz Glass SiO₂			Wikipedia	NIST
Fused sodium borate	Na₂B₄O₇	1	1	Wikipedia	NIST
G (glycine)		1	5	Wikipedia	NIST
G (guanine)	Guanine G		1	Wikipedia	NIST
GA				Wikipedia	NIST
Ga2O3	Ga₂O₃	1			NIST
Gadolinia	Gd₂O₃			Wikipedia	NIST
Gadolinium(III) oxide	Gd₂O₃			Wikipedia	NIST
D-Galactose		1		Wikipedia	NIST
Gallium oxide	Ga₂O₃	1			NIST
Gas, coal	CO + H₂	1		Wikipedia	NIST
Gas, crack	CO + 3H₂ ^{Crack Gas}	1		Wikipedia	NIST
Gas, laughing	N₂O	4	2	Wikipedia	NIST
Gas, methanol synthesis	CO + 2H₂		1		NIST
Gas, oxo	CO + H₂ ^{Oxo Gas}		2		NIST
Gas, producer	CO + 2N₂ ^{producer gas}	1		Wikipedia	NIST
Gas, synthesis	CO/H₂ ^Syngas	6	6	Wikipedia	NIST
Gas, town	CO + H₂	1		Wikipedia	NIST
Gas, water	CO + H₂ ^{water gas}	1		Wikipedia	NIST
GB				Wikipedia	NIST
GD				Wikipedia	NIST
Gd2O3	Gd₂O₃			Wikipedia	NIST
GDP	GDP		1	Wikipedia	NIST
GeO2	GeO₂	1	3	Wikipedia	NIST
Germanate (dihydrogen) ion	[H₂GeO₄]^2–		1		NIST
Germanate (trihydrogen) ion	[H₃GeO₄]^–	1	1		NIST
Germanic acid	H₄GeO₄	1			NIST
Germanium dioxide	GeO₂	1	3	Wikipedia	NIST
Glacial acetic acid	CH₃COOH	32	27	Wikipedia	NIST
Glass fiber	Glass Fiber			Wikipedia
Glass wool	Glass Fiber			Wikipedia
Glass, lead	Lead Crystal Glass	1		Wikipedia
Glass, Pyrex®	Pyrex®	1		Wikipedia
Glass, quartz	Quartz Glass SiO₂			Wikipedia	NIST
Glass, soda-lime	Soda-Lime Glass	1		Wikipedia
Glauber's salt	Na₂SO₄ .10H₂O			Wikipedia	NIST
Glaubertite	Na₂SO₄ .CaSO₄
Glaucophane	□Na₂(Mg₃Al₂) Si₈O2₂(OH)₂₂			Wikipedia
Gln		1	1	Wikipedia	NIST
Glu		1	1	Wikipedia	NIST
Glucitol		1		Wikipedia	NIST
D-(+) Glucose		6	5	Wikipedia	NIST
Glutamic acid		1	1	Wikipedia	NIST
Glutamic acid, deprotonated		1	1	Wikipedia	NIST
Glutamic acid, doubly-deprotonated			1	Wikipedia	NIST
Glutamic acid, protonated		1		Wikipedia	NIST
Glutamine		1	1	Wikipedia	NIST
Glutamine, deprotonated			1	Wikipedia	NIST
Glutamine, protonated		1			NIST
Gly		1	5	Wikipedia	NIST
Gly-ala	Ala-Gly	1			NIST
Gly-gly	Gly-Gly	1			NIST
Glycerine		10	2	Wikipedia	NIST
D-Glycerladehyde			1		NIST
Glycerol		10	2	Wikipedia	NIST
Glyceryl trinitrite		1	2	Wikipedia	NIST
Glycine		1	5	Wikipedia	NIST
Glycine methyl ester		1			NIST
Glycine Zwitterion				Wikipedia	NIST
Glycine, deprotonated		1	1	Wikipedia	NIST
Glycine, protonated		1		Wikipedia	NIST
Glycl-L-alanine	Ala-Gly	1			NIST
Glycoate ion			1		NIST
Glycogen	Starch		3	Wikipedia
Glycol ethylene ether		2	1	Wikipedia	NIST
Glycolic acid		2		Wikipedia	NIST
Glycylglycine	Gly-Gly	1			NIST
Glyoxal		1	1	Wikipedia	NIST
Glyoxylic acid		1		Wikipedia	NIST
GMP	GMP			Wikipedia	NIST
cGMP	cGTP			Wikipedia	NIST
Goethite	FeO(OH)			Wikipedia
Gold(I) oxide	Au₂O				NIST
Gold(III) oxide	Au₂O₃			Wikipedia	NIST
GTP	GTP	1		Wikipedia	NIST
Guaiacol allyl ether			1		NIST
Guanine	Guanine G		1	Wikipedia	NIST
Guanine diphosphate	GDP		1	Wikipedia	NIST
Guanine monophosphate	GMP			Wikipedia	NIST
Guanine triphosphate	GTP	1		Wikipedia	NIST
Guanosine 3,5-cyclic phosphate	cGTP			Wikipedia	NIST
D-Gulose		1		Wikipedia	NIST
Gun cotton	Nitrocellulose	1	1	Wikipedia	NIST
Gunpowder	75% KNO₃, 15% S, 10% C ^gunpowder	1	1	Wikipedia	NIST
Gypsum	CaSO₄.2H₂O			Wikipedia
Gypsum	CaSO₄ .2H₂O	2	1	Wikipedia	NIST
H (histidine)		1	1	Wikipedia	NIST
Hübnerite	MnWO₄
[H2AsO4]-	[H₂AsO₄]^–	1	1		NIST
H2C=C=O	H₂C=C=O	4	4	Wikipedia	NIST
H2CCO	H₂C=C=O	4	4	Wikipedia	NIST
H2CO	HCHO	6	25	Wikipedia	NIST
H2CO3	H₂CO₃	1		Wikipedia	NIST
H2CrO4	H₂CrO₄	2		Wikipedia	NIST
[H2GeO4]2-	[H₂GeO₄]^2–		1		NIST
H2NOH.HCl		1		Wikipedia	NIST
H2NSO2NH2	H₂NSO₂NH₂		1	Wikipedia	NIST
H2O	H₂O	529	531	Wikipedia	NIST
H2O(g)	H₂O(g)	3	1	Wikipedia	NIST
H2O2	HOOH	12	30	Wikipedia	NIST
H2O3S	H₂SO₃	4	2	Wikipedia	NIST
H2O4S	H₂SO₄	25	74	Wikipedia	NIST
[H2PO2]-	[H₂PO₂]^–	2	1		NIST
[H2PO3]-	[H₃PO₄]^–	1	1		NIST
[H2PO4]-	[H₂PO₄]^–	1	3		NIST
H2S2O3		1	1	Wikipedia	NIST
H2S2O4		1			NIST
H2S2O5		1			NIST
H2S2O6		1			NIST
H2S2O7	H₂S₂O₇	1	6	Wikipedia	NIST
H2S2O8		2	1		NIST
H2S4O6		1			NIST
H2SeO3	H₂SeO₃	2	1	Wikipedia	NIST
H2SeO4		1		Wikipedia	NIST
H2SO3	H₂SO₃	4	2	Wikipedia	NIST
H2SO4	H₂SO₄	25	74	Wikipedia	NIST
H2SO4(aq)	H₂SO₄(aq)	3	11	Wikipedia	NIST
H2SO5		2	2	Wikipedia	NIST
H2TeO3	H₂TeO₃	1		Wikipedia	NIST
H3AsO4	H₃AsO₄	1			NIST
H3BO3	H₃BO₃	10	9	Wikipedia	NIST
[H3GeO4]-	[H₃GeO₄]^–	1	1		NIST
[H3IO6]2-	[H₃IO₆]^2–		1		NIST
H3PO2	H₃PO₂	2	2	Wikipedia	NIST
H3PO3	H₃PO₃	8	1	Wikipedia	NIST
H3PO4	H₃PO₄	8	7	Wikipedia	NIST
[H4IO6]-	[H₄IO₆]^–	1	1		NIST
H4P2O5					NIST
H4P2O6			1		NIST
H4P2O7		2		Wikipedia	NIST
Hafnia	HfO₂			Wikipedia	NIST
Hafnium(IV) oxide	HfO₂			Wikipedia	NIST
Harmotome	(Ba_0.5,Ca_0.5,Na,K)₅ Al₅,Si₁₁O₃₂. 12H₂O			Wikipedia
Hartshorn	(NH₄)₂CO₃		1	Wikipedia	NIST
[HAsO4]2-	[HAsO₄]^2–	1	1		NIST
Hausmannite	Mn₃O₄		1		NIST
Haüyne	Na₃Ca(Si₃Al₃) O₁₂(SO₄)			Wikipedia
HBO2	HBO₂	2	1	Wikipedia	NIST
HBrO	HOBr	4	1	Wikipedia	NIST
HBrO3	HBrO₃	2		Wikipedia	NIST
HCHO	HCHO	6	25	Wikipedia	NIST
HCl + NO3	Aqua Regia	1	2	Wikipedia	NIST
HClO	HClO	6	4	Wikipedia	NIST
HClO2	HClO₂	2		Wikipedia	NIST
HClO3	HClO₃	2	1	Wikipedia	NIST
HClO4	HClO₄	4	1	Wikipedia	NIST
HCo(CO)3	HCo(CO)₃	2	1		NIST
HCo(CO)4	HCo(CO)₄	1	1		NIST
[HCO3]-	[HCO₃]^–	4	5		NIST
HCOCl		1			NIST
HCONH2	HCONH₂	2	2	Wikipedia	NIST
HCOOCH3		2	5	Wikipedia	NIST
HCOOH	HCOOH	7	2	Wikipedia	NIST
HCOONa	HCOONa	5	2	Wikipedia	NIST
[HCOO]-	[HCOO]^–		1	Wikipedia	NIST
[HCrO4]-	[HCrO₄]^–				NIST
Heavy water	D₂		1	Wikipedia	NIST
Hematite	Fe₂O₃		1	Wikipedia
Hemimorphite	Zn₃Si₂O₇(OH)₂ .H₃O			Wikipedia
Hepta-5-ene-2,3-dicarboxylic anhydride		1			NIST
Heroin		1		Wikipedia	NIST
Heteroauxin				Wikipedia	NIST
Hexaaquaaluminium complex ion	[Al(H₂O)₆]³⁺	2	6		NIST
Hexaaquachromium(II) ion	[Cr(H₂O)₆]²⁺	3			NIST
Hexaaquachromium(III) ion	[Cr(H₂O)₆]²⁺	3	9		NIST
Hexaaquacobolt(II) ion	[Co(H₂O)₆]²⁺	4	10		NIST
Hexaaquacopper(II) ion	[Cu(H₂O)₆]²⁺	3	8		NIST
Hexaaquairon(II) ion	[Fe(H₂O)₆]²⁺	3	10		NIST
Hexaaquairon(III) ion	[Fe(H₂O)₆]³⁺	6	9		NIST
Hexaaquamanganese(II) ion	[Mn(H₂O)₆]²⁺	5			NIST
Hexaaquavanadium(II) ion	[V(H₂O)₆]²⁺	4			NIST
Hexaaquavanadium(III) ion	[V(H₂O)₆]³⁺	2	1		NIST
Hexadecanoic acid	CH₃(CH₂)₁₄COOH	6		Wikipedia	NIST
(9Z)-Hexadecenoic acid	Palmitoleic Acid			Wikipedia	NIST
4,4a,5,6,7,8- Hexahydro-2(3H)- naphthalenone			4		NIST
Hexahydrobenzoic acid		1	1		NIST
Hexahydroxychromium(III) ion	[Cr(OH)₆]^3–	2	1		NIST
1,2,3,4,5,6-Hexahydroxyhexane		1		Wikipedia	NIST
3,3,6,6,9,9-Hexamethyl-1,2,4,5,7,8-hexoxonane		1	1	Wikipedia	NIST
Hexamethylphosphoramide	HMPA			Wikipedia	NIST
Hexamethylphosphoric triamide	HMPA			Wikipedia	NIST
Hexanedioic acid		4	3	Wikipedia	NIST
6-Hexanolactone		1		Wikipedia	NIST
HfO2	HfO₂			Wikipedia	NIST
HFO3S	HSO₃F	2	2	Wikipedia	NIST
Hg(NO3)2	Hg(NO₃)₂	1	1	Wikipedia	NIST
Hg(OAc)2	Hg(OCOCH₃)₂	1		Wikipedia	NIST
Hg(ONC)2	Hg(ONC)₂	2		Wikipedia	NIST
HgO	HgO	2	2	Wikipedia	NIST
HgSO4	HgSO₄	1	3	Wikipedia	NIST
HIO	HOI	5		Wikipedia	NIST
HIO3	HIO₃	4	1	Wikipedia	NIST
HIO4	HIO₄	2	1	Wikipedia	NIST
His		1	1	Wikipedia	NIST
Histidine		1	1	Wikipedia	NIST
Histidine, deprotonated			1	Wikipedia	NIST
Histidine, doubly-protonated		1		Wikipedia	NIST
Histidine, protonated		1	1	Wikipedia	NIST
HMPA	HMPA			Wikipedia	NIST
HMPT	HMPA			Wikipedia	NIST
HMX			1	Wikipedia	NIST
HNO2	HNO₂	9	10	Wikipedia	NIST
HNO3	HNO₃	6	25	Wikipedia	NIST
HNO3 (5 molar)	HNO₃ ^{5 molar}	1	1	Wikipedia	NIST
HNO3(aq)	HNO₃(aq)	3	3	Wikipedia	NIST
HNO3(g)	HNO₃(g)	1	1	Wikipedia	NIST
HNO3, fuming	HNO₃ ^fuming	2	3	Wikipedia	NIST
HO.	HO•	12	8	Wikipedia	NIST
Ho2O3	Ho₂O₃			Wikipedia	NIST
HOBr	HOBr	4	1	Wikipedia	NIST
HOCH2CH2OH		6	9	Wikipedia	NIST
HOCl	HClO	6	4	Wikipedia	NIST
HOD	DOH	1			NIST
HOF	HOF	2	1		NIST
Holmia	Ho₂O₃			Wikipedia	NIST
Holmium(III) oxide	Ho₂O₃			Wikipedia	NIST
HONC	H–O=N=C	1		Wikipedia	NIST
HONO	HNO₂	9	10	Wikipedia	NIST
HOO•	HOO•	1	5		NIST
HOOCCOOH		5	2	Wikipedia	NIST
HOOH	HOOH	12	30	Wikipedia	NIST
[HOO]-	[HOO]^–		2		NIST
[HO]+	[HO]⁺		1		NIST
[HO]-	[OH]^–	25	79	Wikipedia	NIST
[HPO3]2-	[HPO₃]^2–		1	Wikipedia	NIST
[HPO4]2-	[HPO₄]^2–	1	2		NIST
[HSeO3]-	[HSeO₃]^–	1	1		NIST
[HSeO4]-	[HSeO₄]^–				NIST
[HSiO3]-	[HSiO₃]^–				NIST
HSO3Cl	HSO₃Cl	1	2	Wikipedia	NIST
HSO3F	HSO₃F	2	2	Wikipedia	NIST
[HSO3]-	[HSO₃]^–	3	8		NIST
[HSO4]-	[HSO₄]^–	17	3		NIST
[HTeO3]-	[HTeO₃]^–	1	1		NIST
Humite series	Mg(OH,F)₂ .1-4Mg₂SiO₄			Wikipedia
[HXeO4]-	[HXeO₄]^–	1	1		NIST
Hydracryonitrile		1	3		NIST
Hydrated aluminium hydroxide	Al(H₂O)₃(OH)₃ Al(OH)₃	4	3		NIST
Hydrated oxonium ion		1		Wikipedia	NIST
Hydrazine, 2,4-dinitrophenyl				Wikipedia	NIST
Hydrogen arsenate ion	[HAsO₄]^2–	1	1		NIST
Hydrogen carbonate ion	[HCO₃]^–	4	5		NIST
Hydrogen carbonyl radical		5	6		NIST
Hydrogen chromate ion	[HCrO₄]^–				NIST
Hydrogen citrate ion		1	1		NIST
Hydrogen deuterium oxide	DOH	1			NIST
Hydrogen fumarate ion		1	1		NIST
Hydrogen hydroxide	H₂O	529	531	Wikipedia	NIST
Hydrogen malonate ion		1	1		NIST
Hydrogen o-phthalate ion		1	1		NIST
Hydrogen oxide	H₂O	529	531	Wikipedia	NIST
Hydrogen peroxide	HOOH	12	30	Wikipedia	NIST
Hydrogen peroxide anion	[HOO]^–		2		NIST
Hydrogen peroxide radical	HOO•	1	5		NIST
Hydrogen peroxide radical anion	[H₂O₂]^+•	1	1		NIST
Hydrogen phosphate dianion	[HPO₄]^2–	1	2		NIST
Hydrogen phosphite ion	[H₃PO₄]^–	1	1		NIST
Hydrogen selenate ion	[HSeO₄]^–				NIST
Hydrogen selenite ion	[HSeO₃]^–	1	1		NIST
Hydrogen silicate ion	[HSiO₃]^–				NIST
Hydrogen succinate ion		1	1		NIST
Hydrogen sulfate ion	[HSO₄]^–	17	3		NIST
Hydrogen sulfite ion	[HSO₃]^–	3	8		NIST
Hydrogen sulphate ion	[HSO₄]^–	17	3		NIST
Hydrogen tartrate ion		1	1		NIST
Hydrogen tellurite ion	[HTeO₃]^–	1	1		NIST
Hydrogenol	H₂O	529	531	Wikipedia	NIST
Hydronium ion, [H3O]+	[H₃O]⁺	5	5		NIST
Hydroperoxy radical	HOO•	1	5		NIST
Hydroquinone		2		Wikipedia	NIST
Hydroxide ion	[OH]^–	25	79	Wikipedia	NIST
2-Hydroxy benzoic acid		1	2	Wikipedia	NIST
Hydroxy carbenium ion		1			NIST
Hydroxy cation	[HO]⁺		1		NIST
Hydroxy radical	HO•	12	8	Wikipedia	NIST
2-Hydroxy-2-methylbutane		1			NIST
2-Hydroxy-2-methylbutanenitrile		1	1		NIST
2-Hydroxy-2-methylpropanenitrile		1	1		NIST
2-Hydroxy-3-methylbutane			1		NIST
4-Hydroxy-4-methyl-2-pentanone		1	1		NIST
Hydroxyacetic acid		2		Wikipedia	NIST
4-Hydroxyaminobenzene		1		Wikipedia	NIST
Hydroxyammonium ion	[H₃N-OH]⁺	4			NIST
4-Hydroxyazobenzene		1			NIST
2-Hydroxybenzaldehyde			1	Wikipedia	NIST
Hydroxybenzene		8	10	Wikipedia	NIST
3-Hydroxybutanal		1	2		NIST
2-Hydroxybutane		1	2	Wikipedia	NIST
(2S)-2-Hydroxybutanedioic acid		1	1	Wikipedia	NIST
2-Hydroxybutanedioic acid		1		Wikipedia	NIST
4-Hydroxybutyric acid gamma lactone		2	3	Wikipedia	NIST
Hydroxyethanoic acid		2		Wikipedia	NIST
2-Hydroxyethyl ethanoate		1	1		NIST
Hydroxyfumaric acid		1	1	Wikipedia	NIST
2-Hydroxyisobutylnitrile		1	1		NIST
Hydroxyl radical	HO•	12	8	Wikipedia	NIST
Hydroxylamine	H₂N–OH	1	7	Wikipedia	NIST
Hydroxylamine hydrochloride		1		Wikipedia	NIST
Hydroxylamine, protonated	[H₃N-OH]⁺	4			NIST
Hydroxymaleic acid		1	1	Wikipedia	NIST
Hydroxymethyl carbenium ion		1			NIST
1-Hydroxynaphthalene			2		NIST
3-Hydroxynitrobenzene		1			NIST
4-Hydroxynitrobenzene		1		Wikipedia	NIST
2-Hydroxypentanenitrile		1			NIST
4-(1-(4-Hydroxyphenyl)-1-methylethyl)phenol		1	1	Wikipedia	NIST
N-(-4-hydroxyphenyl)ethanamide				Wikipedia	NIST
2-Hydroxypropane		9	8	Wikipedia	NIST
3-Hydroxypropanenitrile		1	3		NIST
(2R)-2-Hydroxy propanoate ion		2			NIST
3-Hydroxypropionitrile		1	3		NIST
(2S)-Hydroxysuccinic acid		1	1	Wikipedia	NIST
D/L Hydroxysuccinic acid		1		Wikipedia	NIST
Hypersthene	(Mg,Fe)SiO₃			Wikipedia
Hypo	Na₂S₂O₃	5	4	Wikipedia	NIST
Hypobromite ion	[BrO]^–	1	2		NIST
Hypobromous acid	HOBr	4	1	Wikipedia	NIST
Hypochlorite ion	[ClO]^–	2	5	Wikipedia	NIST
Hypochlorous acid	HClO	6	4	Wikipedia	NIST
Hypochlorous anhydride	Cl₂O	1	3	Wikipedia	NIST
Hypoflourite ion	[FO]^–		1		NIST
Hypofluouous acid	HOF	2	1		NIST
Hypoiodite ion	[IO]^–	1	3		NIST
Hypoiodous acid	HOI	5		Wikipedia	NIST
Hyponitrite ion	[N₂O₂]^2–				NIST
Hypophosphite ion	[H₂PO₂]^–	2	1		NIST
Hypophosphoric acid			1		NIST
Hypophosphorous acid	H₃PO₂	2	2	Wikipedia	NIST
I (isoleucine)		1	1	Wikipedia	NIST
I2O5	I₂O₅	2	2		NIST
IAA				Wikipedia	NIST
D-Idose		1		Wikipedia	NIST
Ile		1	1	Wikipedia	NIST
Ilmenite	FeTiO₃		1	Wikipedia
Ilvaite	Ca(Fe²⁺)₂Fe³⁺ [O\|OH\|Si₂O₇]			Wikipedia
In2O3	In₂O₃	1		Wikipedia	NIST
INCO	I–N=C=O				NIST
Indium oxide	In₂O₃	1		Wikipedia	NIST
Indole-3-acetic acid				Wikipedia	NIST
3-Indolepropionic acid		1			NIST
Infusorial earth	Kieselguhr		1	Wikipedia
[IO3]-	[IO₃]^–	1	6	Wikipedia	NIST
[IO4]-	[IO₄]^–		1	Wikipedia	NIST
Iodate ion	[IO₃]^–	1	6	Wikipedia	NIST
Iodic acid	HIO₃	4	1	Wikipedia	NIST
Iodine cyanate	I–N=C=O				NIST
Iodine hydroxide	HOI	5		Wikipedia	NIST
Iodine pentoxide	I₂O₅	2	2		NIST
Iodine(V) oxide	I₂O₅	2	2		NIST
Iodoacetate ion	[ICH₂COO]^–		1		NIST
Iodoacetic acid	CH₂ICOOH	1			NIST
Iodoacetone		1			NIST
1-Iodopropanone		1			NIST
[IO]-	[IO]^–	1	3		NIST
IPA		9	8	Wikipedia	NIST
iPrOEt		1			NIST
iPrOH		9	8	Wikipedia	NIST
[iPr]O-	[(CH₃)₂CH–O]^–	2	1		NIST
Iridium(IV) oxide	IrO₂			Wikipedia	NIST
IrO2	IrO₂			Wikipedia	NIST
Iron pentacarbonyl	Fe(CO)₅	1	2	Wikipedia	NIST
Iron phosphate	Fe₃(PO₄)₂ .8H₂O			Wikipedia
Iron(II,III) oxide	Fe₃O₄	1	1	Wikipedia
Iron(II) carbonate	FeCO₃	2		Wikipedia	NIST
Iron(II) hexahydrated ion	[Fe(H₂O)₆]²⁺	3	10		NIST
Iron(II) hydroxide	Fe(OH)₂	1		Wikipedia	NIST
Iron(II) oxalate	FeC₂O₄	1	1		NIST
Iron(II) oxide	FeO	3		Wikipedia	NIST
Iron(II) sulfate heptahydrate	FeSO₄.7H₂O	1	2		NIST
Iron(II) tetraaquadihydroxy complex	Fe(H₂O)₄(OH)₂ Fe(OH)₂	4	1		NIST
Iron(II) tungstate	FeWO₄	1			NIST
Iron(II,III) oxide	FeO.Fe₂O₃	1	2	Wikipedia	NIST
Iron(III) chlorosulfate	FeSO₄Cl		1		NIST
Iron(III) hexahydrated complex ion	[Fe(H₂O)₆]³⁺	6	9		NIST
Iron(III) hydroxide	Fe(OH)₃	3		Wikipedia	NIST
Iron(III) nitrate nonahydrate	Fe(NO₃)₃ .9H₂O	1		Wikipedia	NIST
Iron(III) oxide	Fe₂O₃	4	5	Wikipedia	NIST
Iron(III) pentaaquahydroxy complex ion	[Co(NH₃)₆]²⁺	1			NIST
Iron(III) pentaaquathiocyanato complex ion	[Fe(H₂O)₅(SCN)]²⁺	1			NIST
Iron(III) sulfate pentahydrate	Fe₂(SO₄)₃ .5H₂O		2	Wikipedia	NIST
Iron(III) triaquatrihydroxy complex	Fe(H₂O)₃(OH)₃ Fe(OH)₃	5	1		NIST
Iron(III) tris(ethanedioate) complex ion	[Fe(C₂O₄)₃]^3–	2			NIST
Isobutanol		4	1	Wikipedia	NIST
Isobutyraldehyde		3	2	Wikipedia	NIST
Isocitric acid		1	1	Wikipedia	NIST
Isocyanate ion	[NCO]^–	3	4	Wikipedia	NIST
Isocyanic acid	HNCO	1			NIST
Isoeugenol					NIST
1,3-Isoindoledione		3		Wikipedia	NIST
Isoleucine		1	1	Wikipedia	NIST
Isoleucine, deprotonated			1	Wikipedia	NIST
Isoleucine, protonated		1		Wikipedia	NIST
Isopropanol		9	8	Wikipedia	NIST
Isopropoxide, aluminium	Al(OⁱPr)₃		1	Wikipedia	NIST
Isopropoxymethylphosphoryl fluoride				Wikipedia	NIST
Isopropyl alcohol		9	8	Wikipedia	NIST
Isopropyl alkoxide ion	[(CH₃)₂CH–O]^–	2	1		NIST
Isopropyl oxonium ion		2			NIST
4,4'-Isopropylidenediphenol		1	1	Wikipedia	NIST
Isoxazole				Wikipedia	NIST
Jadeite	NaAlSi₂O₆(+ Fe³⁺)			Wikipedia
Jarosite	KFe₃(SO₄)₂(OH)₆			Wikipedia
K (lysine)		1	4	Wikipedia	NIST
K2CO3	K₂CO₃	4	2	Wikipedia	NIST
K2Cr2O7	K₂Cr₂O₇	1	5	Wikipedia	NIST
K2MnO4	K₂MnO₄	2	1		NIST
K2O	KO₂	2	2	Wikipedia	NIST
K2O2	K₂O₂	2		Wikipedia	NIST
K2SO4	K₂SO₄	2	1	Wikipedia	NIST
K3MnO4	K₃MnO₄	2	1		NIST
Kalinite	KAl(SO₄)₂.12H₂O	1		Wikipedia	NIST
Kaolinite	Al₂(OH)₄ Si₂O₅			Wikipedia
KAsO2	KAsO₂			Wikipedia	NIST
KBrO3	NaBrO₃	1	1	Wikipedia	NIST
KBrO4	NaBrO₄	2			NIST
KClO3	KClO₃	2	2	Wikipedia	NIST
KClO4	KClO₄	3	1	Wikipedia	NIST
Ketene	H₂C=C=O	4	4	Wikipedia	NIST
Alpha-ketoglutaric acid		1	1	Wikipedia	NIST
Ketohexamethylene		5	5	Wikipedia	NIST
KHCO3	KHCO₃	2	1	Wikipedia	NIST
Kieselguhr	Kieselguhr		1	Wikipedia
KMnO4	KMnO₄	2	4	Wikipedia	NIST
KNO3	KNO₃	3	1	Wikipedia	NIST
KO2	K₂O	3	3	Wikipedia	NIST
KO3	KO₃	2			NIST
KOH	KOH	12	18	Wikipedia	NIST
Kyanite	Al₂SiO₅			Wikipedia
L (leucine)		1	1	Wikipedia	NIST
La2O3	La₂O₂			Wikipedia	NIST
Lactate ion			1		NIST
(+/-) Lactic acid		1		Wikipedia	NIST
Lactose	Lactose			Wikipedia	NIST
Lanthania	La₂O₂			Wikipedia	NIST
Lanthanum(III) oxide	La₂O₂			Wikipedia	NIST
Laughing gas	N₂O	4	2	Wikipedia	NIST
Laumontite	Ca(AlSi₂O₆)₂ .4H₂O			Wikipedia
Lauric acid	CH₃(CH₂)₁₀COOH	1		Wikipedia	NIST
Lazulite	(Mg,Fe)Al₂ (PO₄)₂(OH)₂			Wikipedia
Lazurite	(Na,Ca)₈ [(S,Cl,SO₄,OH)₂ \|(Al₆Si₆O₂₄)]			Wikipedia
Lead dioxide	PbO₂		4	Wikipedia	NIST
Lead glass	Lead Crystal Glass	1		Wikipedia
Lead sesquioxide	Pb₂O₃				NIST
Lead superoxide	PbO₂		4	Wikipedia	NIST
Lead tetroxide	Pb₃O₄			Wikipedia	NIST
Lead trioxide	Pb₂O₃				NIST
Lead(II) acetate	Pb(CH₃COO)₂	1		Wikipedia	NIST
Lead(II) carbonate	PbCO₃	1		Wikipedia	NIST
Lead(II) chromate	PbCrO₄	1		Wikipedia	NIST
Lead(II) nitrate	Pb(NO₃)₂	1	2	Wikipedia	NIST
Lead(II) oxide	PbO	1	3	Wikipedia	NIST
Lead(II) permanganate	Pb(MnO₄)₂	1			NIST
Lead(II) phosphate	Pb₃(PO₄)₂	1			NIST
Lead(II) sulfate	PbSO₄	1	1	Wikipedia	NIST
Lead(IV) oxide	PbO₂		4	Wikipedia	NIST
Lead(IV) tetraacetate	Pb(OCOCH₃)₄	2		Wikipedia	NIST
Lepidocrocite	FeO(OH)			Wikipedia
Leu		1	1	Wikipedia	NIST
Leucine		1	1	Wikipedia	NIST
Leucine, deprotonated			1	Wikipedia	NIST
Leucine, protonated		1		Wikipedia	NIST
Leucite	KAlSi₂O₆			Wikipedia
Li2O	Li₂O	4	1	Wikipedia	NIST
Li2O2	Li₂O₂	2		Wikipedia	NIST
Librium				Wikipedia	NIST
Lime	CaO	7	6	Wikipedia	NIST
Lime water	Ca(OH)₂(aq)	2	1	Wikipedia	NIST
Limestone	Limestone			Wikipedia
Linarite	(Pb,Cu)₂SO₄(OH)₂			Wikipedia
Linoleic acid	Linoleic Acid	4		Wikipedia	NIST
Linolenic acid	Linolenic Acid	1		Wikipedia	NIST
LiO2	LiO₂	2		Wikipedia	NIST
LiOH	LiOH	8	3	Wikipedia	NIST
Lithium acetylacetone complex		1			NIST
Lithium bis(acetylacetone) complex		1			NIST
Lithium hydroxide	LiOH	8	3	Wikipedia	NIST
Lithium oxide	Li₂O	4	1	Wikipedia	NIST
Lithium peroxide	Li₂O₂	2		Wikipedia	NIST
Lithium stearate	CH₃(CH₂)₁₆COOLi			Wikipedia	NIST
Lithium superoxide	LiO₂	2		Wikipedia	NIST
Lithium tri-tert-butoxy aluminium hydride	Li[Al(O^tBu)₃H] ^{1.0M in THF}		1		NIST
Lodestone	FeO.Fe₂O₃	1	2	Wikipedia	NIST
LSD				Wikipedia	NIST
Lu2O3	Lu₂O₃			Wikipedia	NIST
Lucite		1		Wikipedia	NIST
Lutetium oxide	Lu₂O₃			Wikipedia	NIST
Lye	NaOH/KOH			Wikipedia	NIST
Lys		1	4	Wikipedia	NIST
Lys-Lys	Lys-Lys	1			NIST
D-Lysergic acid diethylamide				Wikipedia	NIST
Lysine		1	4	Wikipedia	NIST
Lysine, deprotonated		1	1	Wikipedia	NIST
Lysine, doubly-protonated		2		Wikipedia	NIST
Lysine, protonated		1	1	Wikipedia	NIST
Lysyllysine	Lys-Lys	1			NIST
D-Lyxose		1	1	Wikipedia	NIST
M (methionine)		1	1	Wikipedia	NIST
Magic acid	H⁺[SbF₆]^– .SO₃			Wikipedia	NIST
Magic Acid®	H⁺[SbF₆]^– .SO₃			Wikipedia	NIST
Magnesia	MgO	8	7	Wikipedia	NIST
Magnesite	MgCO₃			Wikipedia
Magnesium carbonate	MgCO₃	1	1	Wikipedia	NIST
Magnesium hydroxide	Mg(OH)₂	6	5	Wikipedia	NIST
Magnesium nitrate hexahydrate	Mg(NO₃)₂ .6H₂O	1		Wikipedia	NIST
Magnesium oxalate	MgC₂O₄ .H₂O	1			NIST
Magnesium oxide	MgO	8	7	Wikipedia	NIST
Magnesium sulfate	MgSO₄	2	2	Wikipedia	NIST
Magnesium sulfate septahydrate	MgSO₄ .7H₂O	1		Wikipedia	NIST
Magnetite	FeO.Fe₂O₃	1	2	Wikipedia	NIST
Magnetite	Fe₃O₄	1	1	Wikipedia
Malachite	CuCO₃. Cu(OH)₂			Wikipedia	NIST
Malachite	CuCO₃ .Cu(OH)₂		1	Wikipedia
Maleic acid		1	2	Wikipedia	NIST
Maleic acid dianion			1		NIST
Maleic acid monoanion		1	1		NIST
Maleic anhydride		4	8	Wikipedia	NIST
Malic acid (D/L)		1		Wikipedia	NIST
L(-)-Malic acid		1	1	Wikipedia	NIST
Malonate (hydrogen) ion		1	1		NIST
Malonate dianion			1		NIST
Malonate, diethyl isopropyl		1			NIST
Malonic acid		2	2	Wikipedia	NIST
Malonyl chloride		2			NIST
Malonyl dichloride		2			NIST
Malonylurea			1	Wikipedia	NIST
Malt sugar	Maltose			Wikipedia	NIST
Maltose	Maltose			Wikipedia	NIST
Mandalate ion			1		NIST
(+/-) Mandelic acid		1		Wikipedia	NIST
Manganate(V) ion	[MnO₄]^3–		1		NIST
Manganate(VI) ion	[MnO₄]^2–		2	Wikipedia	NIST
Manganate(VII) ion	[MnO₄]^–	2	14		NIST
Manganese dioxide	MnO₂	3	4	Wikipedia	NIST
Manganese monoxide	MnO			Wikipedia	NIST
Manganese oxide	Mn₃O₄		1		NIST
Manganese(II) carbonate	MnCO₃	1		Wikipedia	NIST
Manganese(II) hexahydrated ion	[Mn(H₂O)₆]²⁺	5			NIST
Manganese(II) hydroxide	Mn(OH)₂	1			NIST
Manganese(II) oxide	MnO			Wikipedia	NIST
Manganese(II) tungstate	MnWO₄	1			NIST
Manganese (II, III) oxide	Mn₃O₄		1		NIST
Manganese(IV) oxide	MnO₂	3	4	Wikipedia	NIST
Manganese(VII) oxide	Mn₂O₇			Wikipedia	NIST
Manganite	MnO(OH)			Wikipedia
Manganomanganic oxide	Mn₃O₄		1		NIST
D-Mannose		2		Wikipedia	NIST
MCPBA			3	Wikipedia	NIST
Me2NCHO		2	2	Wikipedia	NIST
Me2O			3	Wikipedia	NIST
Me2SO		3	5	Wikipedia	NIST
Me3COH	(CH₃)₃COH	7	11	Wikipedia	NIST
[Me3O]+	[(CH₃)₃O]⁺				NIST
MeCHO	CH₃CHO	13	20	Wikipedia	NIST
MeCOEt		4	2	Wikipedia	NIST
MeCOMe		15	19	Wikipedia	NIST
[MeCOO]-	[CH₃COO]^–	6	10	Wikipedia	NIST
MEK		4	2	Wikipedia	NIST
MeNCO	CH₃–N=C=O		1	Wikipedia	NIST
MeNO2	CH₃–NO₂	1	2	Wikipedia	NIST
Menthol				Wikipedia	NIST
MeOH	CH₃OH	19	31	Wikipedia	NIST
[MeO]-	[CH₃–O]^–	1	3	Wikipedia	NIST
Meperidine hydrochloride				Wikipedia	NIST
2-Mercaptoethanol		1			NIST
Mercuric nitrate	Hg(NO₃)₂	1	1	Wikipedia	NIST
Mercuric sulfate	HgSO₄	1	3	Wikipedia	NIST
Mercury(II) acetate	Hg(OCOCH₃)₂	1		Wikipedia	NIST
Mercury(II) fulminate	Hg(ONC)₂	2		Wikipedia	NIST
Mercury(II) nitrate	Hg(NO₃)₂	1	1	Wikipedia	NIST
Mercury(II) oxide	HgO	2	2	Wikipedia	NIST
Mercury(II) sulfate	HgSO₄	1	3	Wikipedia	NIST
Mescaline				Wikipedia	NIST
Mesityl oxide		1	1	Wikipedia	NIST
MeSOMe		3	5	Wikipedia	NIST
Met		1	1	Wikipedia	NIST
Metaautunite	Cu(UO₂)₂(PO₄)₂ .8-12H₂O			Wikipedia
Metaborate ion	[BO₂]^– [B₃O₆]^3–		2	Wikipedia	NIST
Metaboric acid	HBO₂	2	1	Wikipedia	NIST
Metaperiodic acid	HIO₄	2	1	Wikipedia	NIST
Metatorbernite	Cu(UO₂)₂(PO₄)₂ .8-12H₂O			Wikipedia
Metatyuyamunite	Ca(UO₂)₂(VO₄)₂ .5-10H₂O			Wikipedia
Methacrylein		2	3		NIST
Methacrylic acid		1	1	Wikipedia	NIST
Methadone hydrochloride				Wikipedia	NIST
Methanal	HCHO	6	25	Wikipedia	NIST
Methanamide	HCONH₂	2	2	Wikipedia	NIST
Methanediol		1	1	Wikipedia	NIST
Methanoate ion	[HCOO]^–		1	Wikipedia	NIST
Methanoic acid	HCOOH	7	2	Wikipedia	NIST
Methanol	CH₃OH	19	31	Wikipedia	NIST
Methanol hydrogen bonded dimer		1			NIST
Methanol synthesis gas	CO + 2H₂		1		NIST
Protonated methanol		1			NIST
Methanoyl cation		1	2		NIST
Methanoyl chloride		1			NIST
Methionine		1	1	Wikipedia	NIST
Methionine, deprotonated			1	Wikipedia	NIST
Methionine, protonated		1		Wikipedia	NIST
Methoxide ion	[CH₃–O]^–	1	3	Wikipedia	NIST
1-Methoxy-1,4-cyclohexadiene		1	1		NIST
1-Methoxy-1,3-butadiene			2		NIST
1-Methoxy-2-(2-propenoxy)benzene			1		NIST
2-Methoxy-2-methylpropane		1		Wikipedia	NIST
3-Methoxy-4,4- diethoxy cyclohexene		1			NIST
3-Methoxy-4-cyanocyclohexene		1			NIST
3-Methoxy-4-hydroxybenzaldehyde				Wikipedia	NIST
1-Methoxy-4-propenylbenzene				Wikipedia	NIST
2-Methoxy-4-propenylphenol					NIST
3-Methoxy-5-cyanocyclohexene		1			NIST
2-Methoxy-6-(2-propenyl)phenol		1			NIST
Methoxyacetate ion			1		NIST
Methoxyacetic acid		1			NIST
Methoxybenzene			2	Wikipedia	NIST
Methyl 1-methoxycarbonylcyclobutanecarboxylate		1			NIST
Methyl 2,2-dimethylpropanoate					NIST
Methyl 2,7,9-undecatrienoate			1		NIST
Methyl 2-methylbutanoate					NIST
Methyl 4-methylbicyclo[4.3.0]oct-2-enyl-5-acetate		1			NIST
(2R)-2-Methyl alpha-lactone		1	1		NIST
Methyl acetate			2	Wikipedia	NIST
Methyl acrylate		4		Wikipedia	NIST
Methyl alcohol	CH₃OH	19	31	Wikipedia	NIST
Methyl aminoethanoate		1			NIST
Methyl borate	B(OCH₃)₃	2	1	Wikipedia	NIST
Methyl tertiary butyl ketone		1	1	Wikipedia	NIST
Methyl chloroformate	ClCOOCH₃		1		NIST
Methyl dichloroacetate			1		NIST
Methyl ethanoate			2	Wikipedia	NIST
Methyl ether			3	Wikipedia	NIST
Methyl ethyl ketone		4	2	Wikipedia	NIST
N-Methyl formamide		2			NIST
Methyl formate		2	5	Wikipedia	NIST
Methyl glycine		1			NIST
Methyl isobutyl ketone		1		Wikipedia	NIST
Methyl isocyanate	CH₃–N=C=O		1	Wikipedia	NIST
Methyl methanoate		2	5	Wikipedia	NIST
Methyl exo-norbornate		1			NIST
Methyl orange	Methyl Orange			Wikipedia	NIST
Methyl phenyl ketone		3	2	Wikipedia	NIST
Methyl pivalate					NIST
2-Methyl propenal		2	3		NIST
Methyl propenoate		4		Wikipedia	NIST
Methyl red	Methyl Red			Wikipedia	NIST
Methyl tert-butyl ether		1		Wikipedia	NIST
Methyl tosylate			1		NIST
Methyl trimethylacetate					NIST
(2-Methyl-2-butyl)hydrogen sulfate		1	1		NIST
(2-Methyl-2-butyl)hydrogen sulphate		1	1		NIST
5-Methyl-2-isopropylphenol				Wikipedia	NIST
4-Methyl-2-pentanone		1		Wikipedia	NIST
2-Methyl-2-propen-1-ol		2			NIST
1-Methyl-2-pyrrolidinone		1		Wikipedia	NIST
2-Methyl-3-butene-2-ol		1	1		NIST
2-Methyl-3-butyne-2-ol		1	1		NIST
(3R)-3-Methyl-3-hexanol		1			NIST
(3S)-3-Methyl-3-hexanol		1			NIST
4-Methyl-3-penten-2-one		1	1	Wikipedia	NIST
2-Methyl-5-(1-methylethenyl)-2-cyclohexanol		2			NIST
2-Methyl-5-(1-methylethenyl)-2-cyclohexenol		2			NIST
2-Methyl-5-(1-methylethenyl)-2-cyclohexenone			2		NIST
N-Methylacetamide		2			NIST
alpha-Methylbenzyl alcohol		1	1		NIST
2-Methylbutan-2-ol		1			NIST
3-Methylbutan-2-ol			1		NIST
Methylbutenol		1	1		NIST
Methylbutynol		1	1		NIST
Methylenecyclohexane oxide		1			NIST
N-Methylethanamide		2			NIST
Methylmethacrylate		2	1		NIST
Methylmorphine				Wikipedia	NIST
Methyloxonium ion		1			NIST
4-Methylpentan-2-one		1		Wikipedia	NIST
Methylphenylsulfinate		1			NIST
Methylphenylsulfone		1			NIST
Methylphosphonofloridic acid 1,2,2-trimethylpropyl ester				Wikipedia	NIST
2-Methylpropan-1-ol		4	1	Wikipedia	NIST
2-Methylpropan-2-ol	(CH₃)₃COH	7	11	Wikipedia	NIST
2-Methylpropanal		3	2	Wikipedia	NIST
2-Methylpropanonic acid		1			NIST
2-Methylpropenoic acid		1	1	Wikipedia	NIST
2-Methylpropionaldehyde		3	2	Wikipedia	NIST
2-Methylpropyl-2-alkoxide	[(CH₃)₃C–O]^–	1	2		NIST
N-Methylpyrrolidone		1		Wikipedia	NIST
Methylsulfonyl acetate ion			1		NIST
Methylsulfonyl acetic acid		1			NIST
Methylsulfoxide		3	5	Wikipedia	NIST
Methylthioacetate ion			1		NIST
Methylthioacetic acid		1			NIST
Methyltoluene sulfonate, para			1		NIST
5-Methyluracil	Thymine T		1	Wikipedia	NIST
2-Methyoxyethyl ether			2	Wikipedia	NIST
Mg(NO3)2.6H2O	Mg(NO₃)₂ .6H₂O	1		Wikipedia	NIST
Mg(OH)2	Mg(OH)₂	6	5	Wikipedia	NIST
MgC2O4	MgC₂O₄ .H₂O	1			NIST
MgCO3	MgCO₃	1	1	Wikipedia	NIST
MgO	MgO	8	7	Wikipedia	NIST
MgSO4	MgSO₄ .7H₂O	1		Wikipedia	NIST
MgSO4	MgSO₄	2	2	Wikipedia	NIST
MgSO4.7H2O	MgSO₄ .7H₂O	1		Wikipedia	NIST
MIBK		1		Wikipedia	NIST
Microcline	KAlSi₃O₈			Wikipedia
Microlite	(Ca,Na)₂Ta₂O₆ (O,OH,F)			Wikipedia
Milk of lime	Ca(OH)₂(aq)	2	1	Wikipedia	NIST
Milk sugar	Lactose			Wikipedia	NIST
Mimetite	Pb₅(AsO₄)₃Cl			Wikipedia
Mineral wool	Rock Fiber			Wikipedia
Minium	Pb₃O₄			Wikipedia	NIST
[Mn(H2O)6]2+	[Mn(H₂O)₆]²⁺	5			NIST
Mn(OH)2	Mn(OH)₂	1			NIST
Mn2(CO)10	Mn₂(CO)₁₀			Wikipedia	NIST
Mn2O7	Mn₂O₇			Wikipedia	NIST
Mn3O4	Mn₃O₄		1		NIST
MnCO3	MnCO₃	1		Wikipedia	NIST
MnO	MnO			Wikipedia	NIST
MnO2	MnO₂	3	4	Wikipedia	NIST
[MnO4]-	[MnO₄]^–	2	14		NIST
[MnO4]2-	[MnO₄]^2–		2	Wikipedia	NIST
[MnO4]3-	[MnO₄]^3–		1		NIST
MnWO4	MnWO₄	1			NIST
Mo2O5	Mo₂O₅				NIST
Mogadon				Wikipedia	NIST
Molybdenum(IV) oxide	MoO₂			Wikipedia	NIST
Molybdenum(V) oxide	Mo₂O₅				NIST
Molybdenum(VI) oxide	MoO₃			Wikipedia	NIST
Molybdic anhydride	MoO₃			Wikipedia	NIST
Monazite	(Ce,La,Th)PO₄			Wikipedia
Monticellite	Ca,MgSiO₄			Wikipedia
MoO2	MoO₂			Wikipedia	NIST
MoO3	MoO₃			Wikipedia	NIST
Mordant Yellow 1	Alizarin Yellow				NIST
Morphine			1	Wikipedia	NIST
Morphine 3-methyl ether				Wikipedia	NIST
Mother of Satan		1	1	Wikipedia	NIST
MTBE		1		Wikipedia	NIST
Muscovite	KAl₂(AlSi₃O₁₀) (F,OH)₂			Wikipedia
Myristic acid	CH₃(CH₂)₁₂COOH	2		Wikipedia	NIST
N (asparagine)		1	1	Wikipedia	NIST
N2O	N₂O	4	2	Wikipedia	NIST
[N2O2]2-	[N₂O₂]^2–				NIST
N2O3	N₂O₃	2	2	Wikipedia	NIST
N2O4	N₂O₄	2	6		NIST
N2O5	N₂O₅	2	4	Wikipedia	NIST
Na2B4O7	Na₂B₄O₇	1	1	Wikipedia	NIST
Na2CO3	Na₂CO₃	11	17	Wikipedia	NIST
Na2CO3.15H2O2	2Na₂CO₃.3H₂O₂			Wikipedia	NIST
Na2Cr2O7	Na₂Cr₂O₇ .H₂O	3	4	Wikipedia	NIST
Na2CrO4	Na₂CrO₄	2	2		NIST
Na2O	Na₂O	5	5	Wikipedia	NIST
Na2O2	Na₂O₂	3	7	Wikipedia	NIST
Na2S2O3	Na₂S₂O₃	5	4	Wikipedia	NIST
Na2S2O4		5		Wikipedia	NIST
Na2S2O5		4	1		NIST
Na2S2O6		1		Wikipedia	NIST
Na2S2O8	Na₂S₂O₈	1			NIST
Na2S4O6	Na₂S₄O₆	2			NIST
Na2SiO3(aq)	Na₂SiO₃ ^solution	2		Wikipedia	NIST
Na2SO3	Na₂SO₃	3	6	Wikipedia	NIST
Na2SO3.7H2O	Na₂SO₃ .7H₂O	1		Wikipedia	NIST
Na2SO4	Na₂SO₄	14	4	Wikipedia	NIST
Na2SO4	Na₂SO₄ .10H₂O			Wikipedia	NIST
Na2SO4.10H2O	Na₂SO₄ .10H₂O			Wikipedia	NIST
Na3B3O6	NaBO₂ Na₃[B₃O₆]	4	1		NIST
Na3BO3	Na₃BO₃	1		Wikipedia	NIST
Na3PO4	Na₃PO₄	1		Wikipedia	NIST
Na5P3O10		1		Wikipedia	NIST
NaAl(OH)4	Na[Al(OH)₄]	2	1		NIST
NaAlO2	NaAlO₂	1		Wikipedia	NIST
NaBO2	NaBO₂ Na₃[B₃O₆]	4	1		NIST
NaBrO3	NaBrO₃	2	1	Wikipedia	NIST
NaClO2	NaClO₂	4	1	Wikipedia	NIST
NaClO3	NaClO₃	4	5	Wikipedia	NIST
NaClO4	NaClO₄	2	2	Wikipedia	NIST
NaHCO3	NaHCO₃	4	3	Wikipedia	NIST
NaHSO3	NaHSO₃	1		Wikipedia	NIST
NaHSO3	NaHSO₃	2		Wikipedia	NIST
NaNO2	NaNO₂	7	3	Wikipedia	NIST
NaNO3	NaNO₃	6	6	Wikipedia	NIST
NaO2	NaO₂	2		Wikipedia	NIST
NaOCH3	NaOCH₃	2	4	Wikipedia	NIST
NaOCl	NaOCl(aq)	4	5	Wikipedia	NIST
NaOH	NaOH	17	61	Wikipedia	NIST
NaOH(aq)	NaOH(aq)	5	37	Wikipedia	NIST
1-Naphthol			2		NIST
1-Naphthoxymethanoly chloride		1	1		NIST
1-Naphthyl N-methylcarbamate		2		Wikipedia	NIST
Natrolite	Na₂Al₂Si₃O₁₀ .2H₂O			Wikipedia
Nb2O3	Nb₂O₃				NIST
Nb2O5	Nb₂O₅			Wikipedia	NIST
NbO	NbO				NIST
NbO2	NbO₂				NIST
NBS				Wikipedia	NIST
[NCO]-	[NCO]^–	3	4	Wikipedia	NIST
Neopentyl acid	(CH₃)₃C–COOH	1			NIST
Nepheline	(Na,K)AlSiO₄			Wikipedia
(NH2)2CO		4	5	Wikipedia	NIST
NH2CH2CH2OH		1	3	Wikipedia	NIST
NH2CONHCONH2		1		Wikipedia	NIST
NH2OH	H₂N–OH	1	7	Wikipedia	NIST
NH2SO3H	H₂NSO₃H	2		Wikipedia	NIST
[NH2SO3]-	[NH₂SO₃]^–		1		NIST
(NH4)2CO3	(NH₄)₂CO₃		1	Wikipedia	NIST
(NH4)2S2O3	(NH₄)₂S₂O₃	3			NIST
(NH4)2S2O8	(NH₄)₂S₂O₈	2	1		NIST
(NH4)2SO3	(NH₄)₂SO₃ .H₂O	2	1		NIST
(NH4)2SO4	(NH₄)₂SO₄	3	1	Wikipedia	NIST
NH4ClO4	NH₄ClO₄	2	2	Wikipedia	NIST
NH4NO3	NH₄NO₃	3	5	Wikipedia	NIST
NH4NO3	NH₄NO₃		2	Wikipedia	NIST
NH4VO3	NH₄VO₃	1	1		NIST
Ni(CO)4	Ni(CO)₄	1	3	Wikipedia	NIST
Ni(OH)2	Ni(OH)₂	1		Wikipedia	NIST
Ni2O3	Ni₂O₃			Wikipedia	NIST
Niacin		4		Wikipedia	NIST
Nickel bloom	Ni₃(AsO₄)₂ .8H₂O			Wikipedia
Nickel carbonyl	Ni(CO)₄	1	3	Wikipedia	NIST
Nickel monoxide	NiO		1	Wikipedia	NIST
Nickel(II) carbonate	NiCO₃	1		Wikipedia	NIST
Nickel(II) hydroxide	Ni(OH)₂	1		Wikipedia	NIST
Nickel(II) oxide	NiO		1	Wikipedia	NIST
Nickel(III) oxide	Ni₂O₃			Wikipedia	NIST
NiCO3	NiCO₃	1		Wikipedia	NIST
Nicotinamide		1	1	Wikipedia	NIST
Nicotinic acid		4		Wikipedia	NIST
NiO	NiO		1	Wikipedia	NIST
Niobium pentoxide	Nb₂O₅			Wikipedia	NIST
Niobium(II) oxide	NbO				NIST
Niobium(III) oxide	Nb₂O₃				NIST
Niobium(IV) oxide	NbO₂				NIST
Niobium(V) oxide	Nb₂O₅			Wikipedia	NIST
Niter	KNO₃	3	1	Wikipedia	NIST
Nitrate ion	[NO₃]^–	15	28	Wikipedia	NIST
Nitratine	NaNO₃	6	6	Wikipedia	NIST
Nitratine	NaNO₃			Wikipedia
Nitrating mixture	HNO₃\|H₂SO₄ ^concentrated	1	3		NIST
Nitrazepam				Wikipedia	NIST
Nitre	KNO₃	3	1	Wikipedia	NIST
Nitric acid 5 molar	HNO₃ ^{5 molar}	1	1	Wikipedia	NIST
Nitric acid, aqueous	HNO₃(aq)	3	3	Wikipedia	NIST
Nitric acid triester of glycerol		1	2	Wikipedia	NIST
Nitric acid, concentrated	HNO₃	6	25	Wikipedia	NIST
Nitric acid, fuming	HNO₃ ^fuming	2	3	Wikipedia	NIST
Nitric acid, gas phase species	HNO₃(g)	1	1	Wikipedia	NIST
Nitric acid, protonated		2	1		NIST
Nitric oxide	NO	20	14	Wikipedia	NIST
Nitrite ester, tertiary butyl		1			NIST
Nitrite ion	[NO₂]^–	2	6		NIST
7-Nitro-1,3-dihydro-1-methyl-5-phenyl-2H-1,4-benzodiazepin-2-one				Wikipedia	NIST
4-Nitroacetanalide		1	1		NIST
para-Nitroacetanalide		1	1		NIST
Nitroacetate ion			1		NIST
Nitroacetic acid		1			NIST
4-Nitroacetophenone			1		NIST
4-Nitroaniline		1	3	Wikipedia	NIST
Nitrobenzene		3	6	Wikipedia	NIST
Nitrobenzene SeAr intermediate		2	1		NIST
Nitrobenzene, protonated		1			NIST
Nitrocellulose	Nitrocellulose	1	1	Wikipedia	NIST
Nitrochloroform	CCl₃NO₂				NIST
Nitrocyclohexane		1	1		NIST
Nitrogen dioxide	NO₂	16	14	Wikipedia	NIST
Nitrogen monoxide	NO	20	14	Wikipedia	NIST
Nitrogen sesquioxide	N₂O₃	2	2	Wikipedia	NIST
Nitrogen trioxide	NO₃	1		Wikipedia	NIST
Nitrogen(II) oxide	NO	20	14	Wikipedia	NIST
Nitrogen(IV) oxide	NO₂	16	14	Wikipedia	NIST
Nitroglycerin		1	2	Wikipedia	NIST
Nitroglycerine		1	2	Wikipedia	NIST
Nitroguanidine		1		Wikipedia	NIST
Nitromethane	CH₃–NO₂	1	2	Wikipedia	NIST
Nitromethane, protonated		1			NIST
Nitronium ion	[NO₂]⁺	3	6	Wikipedia	NIST
Nitronium nitrate	N₂O₅	2	4	Wikipedia	NIST
Nitronium tetrafluoroborate	[NO₂]⁺[BF₄]^–	1		Wikipedia	NIST
Nitrooxonium ion		2	1		NIST
4-Nitrophenacyl bromide		1	1		NIST
3-Nitrophenol		1			NIST
4-Nitrophenol		1		Wikipedia	NIST
3-Nitrophenoxide ion			1		NIST
4-Nitrophenoxide ion			1		NIST
N-(2-(4-Nitrophenyl)-1-hydroxymethyl-2-oxoethyl)ethanamide		1	1		NIST
N-(2-(4-Nitrophenyl)-2-hydroxy-1-hydroxymethylethyl)ethanamide		1	1		NIST
N-(2-(-4-Nitrophenyl)-2-oxoethyl)ethanamide		1	1		NIST
1-(4-Nitrophenyl)ethanone			1		NIST
4-Nitrophenylammonium ion		1			NIST
Nitrosobenzene			1	Wikipedia	NIST
Nitrosodisulfonate	(KSO₃)₂NO		1	Wikipedia	NIST
Nitrosonium ion	[NO]⁺	2	3	Wikipedia	NIST
Nitrosyl chloride	NOCl	5	1	Wikipedia	NIST
Nitrosyl hydrogen sulfate	NOHSO₄	2	3		NIST
Nitrosyl ion	[NO]⁺	2	3	Wikipedia	NIST
Nitrosyl sulfuric acid	NOHSO₄	2	3		NIST
Nitrous acid	HNO₂	9	10	Wikipedia	NIST
Nitrous oxide	N₂O	4	2	Wikipedia	NIST
Nitryl chloride	Cl–NO₂	3		Wikipedia	NIST
Nitryl ion	[NO₂]⁺	3	6	Wikipedia	NIST
NMP		1		Wikipedia	NIST
NO	NO	20	14	Wikipedia	NIST
NO2	NO₂	16	14	Wikipedia	NIST
NO2BF4	[NO₂]⁺[BF₄]^–	1		Wikipedia	NIST
NO2Cl	Cl–NO₂	3		Wikipedia	NIST
[NO2]+	[NO₂]⁺	3	6	Wikipedia	NIST
[NO2]-	[NO₂]^–	2	6		NIST
NO3	NO₃	1		Wikipedia	NIST
[NO3]-	[NO₃]^–	15	28	Wikipedia	NIST
NOCl	NOCl	5	1	Wikipedia	NIST
NOHSO4	NOHSO₄	2	3		NIST
Noradrenaline				Wikipedia	NIST
cis 5-Norbornene -endo -2,3-dicarboxylic anhydride		1			NIST
cis 5-Norbornene -exo-2,3- dicarboxylic anhydride		1			NIST
Norepinephrine				Wikipedia	NIST
Nosean	Na₈Al₆Si₆O₂₄ (SO₄)			Wikipedia
Noselite	Na₈Al₆Si₆O₂₄ (SO₄)			Wikipedia
[NO]+	[NO]⁺	2	3	Wikipedia	NIST
Nylon-6		1		Wikipedia	NIST
Nylon-6,6	Nylon-6,6	1		Wikipedia	NIST
O	O	6	14		NIST
[O]	[O]		14		NIST
O(CH2)2O		2	1	Wikipedia	NIST
O2	O₂	60	163	Wikipedia	NIST
O2 (singlet, 1st excited state)	^1ΔO₂	2	1	Wikipedia	NIST
O2 (singlet, 2nd excited state)	¹Σ⁺_gO₂			Wikipedia	NIST
O2F2	O₂F₂	1		Wikipedia	NIST
[O2]+	[O–O]⁺	1			NIST
[O2]-	[O–O]^–		5	Wikipedia	NIST
[O2]2-	^–O–O^–		6	Wikipedia	NIST
O3	O₃	1	11	Wikipedia	NIST
[O3]-	[O₃]^–		1	Wikipedia	NIST
(OCH2O)n		1		Wikipedia	NIST
OCNH	HNCO	1			NIST
Octacarbonyldicobalt(0)	Co₂(CO)₈	1	1		NIST
(9Z, 12Z)-Octadecadienoic acid	Linoleic Acid	4		Wikipedia	NIST
Octadecanoic acid	CH₃(CH₂)₁₆COOH	1			NIST
(9Z, 12Z, 15Z)-Octadecatrienoic acid	Linolenic Acid	1		Wikipedia	NIST
(9Z)-Octadecenoic acid	Oleic Acid	6		Wikipedia	NIST
Octahedrite	TiO₂		1	Wikipedia
1,9-beta-Octalone			4		NIST
Octogen			1	Wikipedia	NIST
OF2	OF₂	1		Wikipedia	NIST
OH.	HO•	12	8	Wikipedia	NIST
[OH3]+	[H₃O]⁺	5	5		NIST
[OH]+	[HO]⁺		1		NIST
[OH]-	[OH]^–	25	79	Wikipedia	NIST
Oil of aniseed				Wikipedia	NIST
Oil of cloves		1			NIST
Oil of nutmeg					NIST
Oil of peppermint component				Wikipedia	NIST
Oil of sassafras				Wikipedia	NIST
Oil of thyme and mint				Wikipedia	NIST
Oil of vanilla bean				Wikipedia	NIST
Oil of vitriol	H₂SO₄	25	74	Wikipedia	NIST
Oleic acid	Oleic Acid	6		Wikipedia	NIST
Oleum	H₂S₂O₇	1	6	Wikipedia	NIST
Olivenite	Cu₂AsO₄(OH)			Wikipedia
Olivine	(Mg,Fe)₂SiO₄			Wikipedia
[ONC]-	[O=N=C]^–		2	Wikipedia	NIST
Opal	SiO₂.nH₂O			Wikipedia
Orthoborate ion	[BO₃]^3–			Wikipedia	NIST
Orthoboric acid	H₃BO₃	10	9	Wikipedia	NIST
Orthoclase	KAlSi₃O₈			Wikipedia
Tetrahydroorthoperiodate ion	[H₄IO₆]^–	1	1		NIST
Orthoperiodate (trihydrogen) ion	[H₃IO₆]^2–		1		NIST
Orthoperiodic acid	H₅IO₆	3	1	Wikipedia	NIST
Orthophosphoric acid	H₃PO₄	8	7	Wikipedia	NIST
Orthophosphorus acid	H₃PO₃	8	1	Wikipedia	NIST
Orthosilicate ion	[SiO₄]^4–		2	Wikipedia	NIST
Osmic acid	OsO₄			Wikipedia	NIST
Osmium tetroxide	OsO₄			Wikipedia	NIST
Osmium(IV) oxide	OsO₂				NIST
Osmium(VIII) oxide	OsO₄			Wikipedia	NIST
OsO2	OsO₂				NIST
OsO4	OsO₄			Wikipedia	NIST
ox- (ligand)	[C₂O₄]^2–	1	13	Wikipedia	NIST
7-Oxabicyclo [2.2.1] hepta-5-ene- 2,3-dicarboxylic anhydride		1			NIST
Oxalaldehyde		1	1	Wikipedia	NIST
Oxalate dianion	[C₂O₄]^2–	1	13	Wikipedia	NIST
Oxalate monoanion		1	1		NIST
Oxalate, sodium		2	1	Wikipedia	NIST
Oxalic acid		5	2	Wikipedia	NIST
Oxalic acid diamide		1		Wikipedia	NIST
Oxaloacetic acid		1	1	Wikipedia	NIST
Oxalosuccinic acid		1	1	Wikipedia	NIST
Oxalyl chloride				Wikipedia	NIST
Oxamide		1		Wikipedia	NIST
Oxammonium hydrochloride		1		Wikipedia	NIST
1-Oxaspiro[2.5]octane		1			NIST
Oxazole				Wikipedia	NIST
1,2-Oxazole				Wikipedia	NIST
Oxene	O	6	14		NIST
Oxenium ion	[HO]⁺		1		NIST
2-Oxepanone		1		Wikipedia	NIST
Oxidane	H₂O	529	531	Wikipedia	NIST
Oxide ion	O^2–	1	27		NIST
Oxirane		2	13	Wikipedia	NIST
Oxo gas	CO + H₂ ^{Oxo Gas}		2		NIST
2-Oxo-10-boranesulfonic acid		1	1		NIST
2-Oxobutanedioic acid		1	1	Wikipedia	NIST
5-Oxohexanenitrile		1	1		NIST
1,3-Oxolane		1			NIST
Oxonium ion	[H₃O]⁺	5	5		NIST
Oxonium ion, diethyl		1			NIST
Oxonium ion, dimethyl		1			NIST
Oxonium ion, dimethylamino hydroxy		1			NIST
Oxonium ion, ethyl		1	2		NIST
Oxonium ion, hydrated		1		Wikipedia	NIST
Oxonium ion, isopropyl		2			NIST
Oxonium ion, methyl		1			NIST
Oxonium ion, nitro		2	1		NIST
Oxonium ion, phenyl		1			NIST
Oxonium ion, protonated 1,4-dioxane		1			NIST
Oxonium ion, protonated THF		1			NIST
Oxonium ion, tertiary butyl		2			NIST
Oxonium ion, triethyl	[(CH₃CH₂)₃O]⁺				NIST
Oxonium ion, trihydrated		1		Wikipedia	NIST
Oxonium ion, trimethyl	[(CH₃)₃O]⁺				NIST
Oxonium ion, triphenyl					NIST
Oxonium ion/18-Crown-6 Complex		2			NIST
Oxonium, triethyl tetrafluoroborate	[Et₃O]⁺[BF₄]^–		1	Wikipedia	NIST
2-Oxopentanedioic acid		1	1	Wikipedia	NIST
Oxygen	O₂	60	163	Wikipedia	NIST
Oxygen delivered equivalents	[O]		14		NIST
Oxygen difluoride	OF₂	1		Wikipedia	NIST
Oxygen hydride	H₂O	529	531	Wikipedia	NIST
Oxygen ion	O^2–	1	27		NIST
Oxygen, 1st excited singlet state	^1ΔO₂	2	1	Wikipedia	NIST
Oxygen, 2nd excited singlet state	¹Σ⁺_gO₂			Wikipedia	NIST
Oxyl radical	HO•	12	8	Wikipedia	NIST
Ozone	O₃	1	11	Wikipedia	NIST
Ozonide ion	[O₃]^–		1	Wikipedia	NIST
[O]2-	O^2–	1	27		NIST
P (proline)		1	1	Wikipedia	NIST
P2O3	P₂O₃	1	2	Wikipedia	NIST
P2O5	P₂O₅	3	8	Wikipedia	NIST
P4O10	P₂O₅	3	8	Wikipedia	NIST
PA		3	4	Wikipedia	NIST
Palladium(II) oxide	PdO			Wikipedia	NIST
Palmitic acid	CH₃(CH₂)₁₄COOH	6		Wikipedia	NIST
Palmitoleic acid	Palmitoleic Acid			Wikipedia	NIST
Paracetaldehyde		1		Wikipedia	NIST
Paracetamol				Wikipedia	NIST
Paraformaldehyde	(CH₂O)_n	1	1	Wikipedia	NIST
Paraldehyde		1		Wikipedia	NIST
Paramorphine				Wikipedia	NIST
Paraperiodic acid	H₅IO₆	3	1	Wikipedia	NIST
Paris red	Pb₃O₄			Wikipedia	NIST
Pb(MnO4)2	Pb(MnO₄)₂	1			NIST
Pb(NO3)2	Pb(NO₃)₂	1	2	Wikipedia	NIST
Pb(OAc)2	Pb(CH₃COO)₂	1		Wikipedia	NIST
Pb(OAc)4	Pb(OCOCH₃)₄	2		Wikipedia	NIST
Pb2O3	Pb₂O₃				NIST
Pb3(PO4)2	Pb₃(PO₄)₂	1			NIST
Pb3O4	Pb₃O₄			Wikipedia	NIST
PbCO3	PbCO₃	1		Wikipedia	NIST
PbCrO4	PbCrO₄	1		Wikipedia	NIST
PbO	PbO	1	3	Wikipedia	NIST
PbO2	PbO₂		4	Wikipedia	NIST
PbSO4	PbSO₄	1	1	Wikipedia	NIST
PCC			2	Wikipedia	NIST
PdO	PdO			Wikipedia	NIST
Pearl ash	K₂CO₃	4	2	Wikipedia	NIST
Pectolite	NaCa₂Si₃ O₈(OH)			Wikipedia
Penbritin				Wikipedia	NIST
Penbritin				Wikipedia	NIST
Pentaaquahydroxychromium(III) ion	Cr(H₂O)₅(OH)]²⁺	2			NIST
Pentaaquahydroxyiron(III) ion	[Co(NH₃)₆]²⁺	1			NIST
Pentaaquathiocyanatoiron(III) ion	[Fe(H₂O)₅(SCN)]²⁺	1			NIST
Pentaaquaoxovanadium(IV) ion	[VO]²⁺ [VO(H₂O)₅]²⁺	3	3		NIST
Pentaerythritol		1	1	Wikipedia	NIST
Pentaerythrityl tetranitrate		1	1	Wikipedia	NIST
Pentan-1-ol			2	Wikipedia	NIST
Pentan-2-ol		1	1		NIST
Pentan-2-one		1	5	Wikipedia	NIST
Pentanal		1	3	Wikipedia	NIST
2,4-Pentanedione		2	2	Wikipedia	NIST
2,4-Pentanedione anion			1	Wikipedia	NIST
Pentanoic acid		3		Wikipedia	NIST
1-Pentanol			2	Wikipedia	NIST
2-Pentanol		1	1		NIST
2-Pentanone		1	5	Wikipedia	NIST
Pentasodium triphosphate		1		Wikipedia	NIST
Peracetic acid	CH₃COOOH	3	4	Wikipedia	NIST
Perbromate ion	[BrO₄]^–		1	Wikipedia	NIST
Perchlorate ion	[ClO₄]^–		5	Wikipedia	NIST
Perchloric acid	HClO₄	4	1	Wikipedia	NIST
Periodate ion	[IO₄]^–		1	Wikipedia	NIST
Periodic acid	H₅IO₆	3	1	Wikipedia	NIST
Periodic acid, para	H₅IO₆	3	1	Wikipedia	NIST
Perlon®		1		Wikipedia	NIST
Permanganate ion	[MnO₄]^–	2	14		NIST
Peroxide ion	^–O–O^–		6	Wikipedia	NIST
1,4-Peroxido-p-menthene-2		1		Wikipedia	NIST
Peroxodisulfate(VI) ion			4		NIST
Peroxodisulfuric acid		2	1		NIST
Peroxymonosulfuric acid		2	2	Wikipedia	NIST
Perspex		1		Wikipedia	NIST
Persulfuric acid		2	2	Wikipedia	NIST
Perxenate ion	[XeO₆]^4–	1		Wikipedia	NIST
PET	Terylene	2		Wikipedia	NIST
Petalite	LiAlSi₄O₁₀		1	Wikipedia
PETE	Terylene	2		Wikipedia	NIST
Pethidine hydrochloride				Wikipedia	NIST
PETN		1	1	Wikipedia	NIST
Ph3COH		1		Wikipedia	NIST
Ph3PO	(C₆H₅)₃P=O	1		Wikipedia	NIST
PhCH2OH		5	1	Wikipedia	NIST
PhCHO		2	6	Wikipedia	NIST
PhCOCl			1	Wikipedia	NIST
PhCOMe		3	2	Wikipedia	NIST
PhCONH2				Wikipedia	NIST
PhCOOH		6	2	Wikipedia	NIST
[PhCOO]-		2	2	Wikipedia	NIST
[PhCO]+			3		NIST
Phe		1	1	Wikipedia	NIST
Phenakite	Be₂SiO₄		1	Wikipedia
sec-Phenethyl alcohol		1	1		NIST
Phenol		8	10	Wikipedia	NIST
Phenolphthalein	Phenolphthalein			Wikipedia	NIST
Phenoxide ion		2	7		NIST
Phenyl acetate		1			NIST
Phenyl ethanoate		1			NIST
Phenyl ether					NIST
N-Phenyl hydroxylamine		1		Wikipedia	NIST
Phenyl propyl ketone		2			NIST
1-Phenyl-1-butanone		2			NIST
3-Phenyl -2-propen-1-ol		2		Wikipedia	NIST
cis beta-Phenylacrylic acid		1			NIST
trans beta-Phenylacrylic acid		1		Wikipedia	NIST
Phenylalanine		1	1	Wikipedia	NIST
Phenylalanine, deprotonated			1	Wikipedia	NIST
Phenylalanine, protonated		1		Wikipedia	NIST
4-Phenylbutanoic acid			3		NIST
4-Phenylbutyric acid			3		NIST
N-Phenylethanamide		2	1	Wikipedia	NIST
1-Phenylethanol		1	1		NIST
Phenylethanone		3	2	Wikipedia	NIST
Phenylethanone SeAr intermediate		1	1		NIST
(1R)-1-Phenylethyl ethanoate		1			NIST
(1S)-1-Phenylethyl ethanoate		1			NIST
(+/-) Phenylglycolic acid		1		Wikipedia	NIST
Phenylmethanol		5	1	Wikipedia	NIST
Phenyloxonium ion		1			NIST
3-Phenylpropan-1-ol		2			NIST
3-Phenylpropenal			3	Wikipedia	NIST
Phenylsulfinate ion			2		NIST
PhNO			1	Wikipedia	NIST
PhNO2		3	6	Wikipedia	NIST
PhOH		8	10	Wikipedia	NIST
PhOMe			2	Wikipedia	NIST
PhOPh					NIST
Phosgene		2	6	Wikipedia	NIST
Phosphate dianion, hydrogen	[HPO₄]^2–	1	2		NIST
Phosphate ion	[PO₄]^3–	2	7	Wikipedia	NIST
Phosphate ion, dihydrogen	[H₂PO₄]^–	1	3		NIST
Phosphate minerals	Phosphate Rock		1	Wikipedia
Phosphate rock	Phosphate Rock		1	Wikipedia
Phosphite ion	[HPO₃]^2–		1	Wikipedia	NIST
Phosphite ion, hydrogen	[H₃PO₄]^–	1	1		NIST
Phosphite, triethyl	(CH₃CH₂O)₃P		4	Wikipedia	NIST
Phosphite, trimethyl	(CH₃O)₃P			Wikipedia	NIST
Phospholeum			1	Wikipedia	NIST
Phosphonate, benzyl diethyl		1			NIST
Phosphoric acid	H₃PO₄	8	7	Wikipedia	NIST
Phosphoric acid, hypo			1		NIST
Phosphoric acid, poly			1	Wikipedia	NIST
Phosphoric acid, pyro		2		Wikipedia	NIST
Phosphorus acid	H₃PO₃	8	1	Wikipedia	NIST
Phosphorus acid, hypo	H₃PO₂	2	2	Wikipedia	NIST
Phosphorus acid, pyro					NIST
Phosphorus oxychloride	POCl₃	6	4	Wikipedia	NIST
Phosphorus pentoxide	P₂O₅	3	8	Wikipedia	NIST
Phosphorus trioxide	P₂O₃	1	2	Wikipedia	NIST
[PhO]-		2	7		NIST
PhSO2Me		1			NIST
[PhSO2]-			2		NIST
[PhSO3]-			1		NIST
Phthalate (o) (hydrogen) ion		1	1		NIST
o-Phthalate dianion			1		NIST
o-Phthalic acid		2	1	Wikipedia	NIST
Phthalic anhydride		3	4	Wikipedia	NIST
Phthalimide		3		Wikipedia	NIST
Phthalimide ion			2	Wikipedia	NIST
Phthalimide, potassium salt		1		Wikipedia	NIST
Picrate ion			1	Wikipedia	NIST
Picric acid		2	1	Wikipedia	NIST
Picrite		1		Wikipedia	NIST
Pimelic ketone		5	5	Wikipedia	NIST
Pinacolone		1	1	Wikipedia	NIST
Pitchblende	UO₂			Wikipedia
Pivalic acid		1			NIST
Plagioclase	NaAlSi₃O₈– CaAl₂Si₂O₈			Wikipedia
Plaster of Paris	CaSO₄ .½H₂O	1	1	Wikipedia	NIST
Platinum trioxide	PtO₃				NIST
Platinum(II) oxide	PtO				NIST
Platinum(II,IV) oxide	Pt₃O₄				NIST
Platinum(IV) oxide	PtO₂			Wikipedia	NIST
Platinum(VI) oxide	PtO₃				NIST
Plattnerite	PbO₂		4	Wikipedia	NIST
Plexiglass		1		Wikipedia	NIST
[PO4]3-	[PO₄]^3–	2	7	Wikipedia	NIST
POCl3	POCl₃	6	4	Wikipedia	NIST
Poly(dimethysiloxane)	[(CH₃)₂SiO]_n	1			NIST
Polyacetal		1		Wikipedia	NIST
Polycarbonate	Polycarbonate	1		Wikipedia	NIST
Polyethylene terephthalate	Terylene	2		Wikipedia	NIST
Polyethylene-silane graft		1	1		NIST
Polymethylmethacrylate		1		Wikipedia	NIST
Polyoxymethylene		1		Wikipedia	NIST
Polyphosphoric acid			1	Wikipedia	NIST
Polyurethane	Polyurethane	1		Wikipedia	NIST
Polyvinyl alcohol		1		Wikipedia	NIST
Polyvinylacetate		1	1	Wikipedia	NIST
Potassium acid carbonate	KHCO₃	2	1	Wikipedia	NIST
Potassium alum	KAl(SO₄)₂.12H₂O	1		Wikipedia	NIST
Potassium arsenite	KAsO₂			Wikipedia	NIST
Potassium bicarbonate	KHCO₃	2	1	Wikipedia	NIST
Potassium bromate	NaBrO₃	1	1	Wikipedia	NIST
Potassium tertiary butoxide		2	2		NIST
Potassium carbonate	K₂CO₃	4	2	Wikipedia	NIST
Potassium chlorate	KClO₃	2	2	Wikipedia	NIST
Potassium dichromate(VI)	K₂Cr₂O₇	1	5	Wikipedia	NIST
Potassium dioxide	K₂O	3	3	Wikipedia	NIST
Potassium hydrogen carbonate	KHCO₃	2	1	Wikipedia	NIST
Potassium hydroxide	KOH	12	18	Wikipedia	NIST
Potassium ion 18-crown-6 complex		2			NIST
Potassium manganate(V)	K₃MnO₄	2	1		NIST
Potassium manganate(VI)	K₂MnO₄	2	1		NIST
Potassium manganate(VII)	KMnO₄	2	4	Wikipedia	NIST
Potassium metaarsenite	KAsO₂			Wikipedia	NIST
Potassium nitrate	KNO₃	3	1	Wikipedia	NIST
Potassium nitrosodisulfonate	(KSO₃)₂NO		1	Wikipedia	NIST
Potassium oxide	KO₂	2	2	Wikipedia	NIST
Potassium ozonide	KO₃	2			NIST
Potassium perbromate	NaBrO₄	2			NIST
Potassium perchlorate	KClO₄	3	1	Wikipedia	NIST
Potassium permanganate	KMnO₄	2	4	Wikipedia	NIST
Potassium peroxide	K₂O₂	2		Wikipedia	NIST
Potassium phthalimide		1		Wikipedia	NIST
Potassium sodium tartrate	KNa Tartrate .4H₂O		1	Wikipedia	NIST
Potassium sulfate	K₂SO₄	2	1	Wikipedia	NIST
Potassium sulphate	K₂SO₄	2	1	Wikipedia	NIST
Potassium superoxide	K₂O	3	3	Wikipedia	NIST
Potassium trisalicaldehyde complex		1			NIST
Pr2O3	Pr₂O₃				NIST
Praseodymia	Pr₂O₃				NIST
Praseodymium(III) oxide	Pr₂O₃				NIST
Praseodymium(IV) oxide	PrO₂				NIST
Precipitated silica	Si(OH)₄	2		Wikipedia	NIST
Prehnite	Ca₂Al(AlSi₃ O₁₀)(OH)₂			Wikipedia
Pro		1	1	Wikipedia	NIST
PrO2	PrO₂				NIST
Producer gas	CO + 2N₂ ^{producer gas}	1		Wikipedia	NIST
Proline		1	1	Wikipedia	NIST
Proline, deprotonated			1	Wikipedia	NIST
Proline, protonated		1		Wikipedia	NIST
Propan-1-ol		4	2	Wikipedia	NIST
Propan-2-ol		9	8	Wikipedia	NIST
Propanal		3	3	Wikipedia	NIST
Propane-1,2,3-triol		10	2	Wikipedia	NIST
Propanedioic acid		2	2	Wikipedia	NIST
Propanoate ion			1		NIST
Propanoic acid	CH₃CH₂COOH	5	1	Wikipedia	NIST
Propanoic acid, ethyl ester		1			NIST
1-Propanol		4	2	Wikipedia	NIST
2-Propanol		9	8	Wikipedia	NIST
Propanone		15	19	Wikipedia	NIST
Propanoyl chloride			1		NIST
Propargyl alcohol	HC≡CCH₂OH	3		Wikipedia	NIST
Propargyl alkoxide ion			1		NIST
2-Propen-1-ol		8	2	Wikipedia	NIST
Propenal		3	4	Wikipedia	NIST
1,2,3-Propenetricarboxylic acid		1	1	Wikipedia	NIST
Propenoic acid		6		Wikipedia	NIST
(2-Propenoxy)benzene			1		NIST
2-(2-Propenyl)phenol		1			NIST
Propinioc acid	CH₃CH₂COOH	5	1	Wikipedia	NIST
beta-Propiolactone		1	6	Wikipedia	NIST
Propionaldehyde		3	3	Wikipedia	NIST
Propionyl chloride			1		NIST
2-Propyl alkoxide ion	[(CH₃)₂CH–O]^–	2	1		NIST
Propyl propanoate		1			NIST
Propylene chlorohydrin		1	1		NIST
Propylene oxide		3	1	Wikipedia	NIST
2-Propyn-1-ol	HC≡CCH₂OH	3		Wikipedia	NIST
Prostaglandin E1	PGE₁			Wikipedia	NIST
Prostaglandin E2				Wikipedia	NIST
Prostaglandin F2 alpha	PGE_2α			Wikipedia	NIST
Protonated ethanol		1	2		NIST
Protonated formaldehyde		1			NIST
D-Psicose				Wikipedia	NIST
Psilocybin				Wikipedia	NIST
Psilocybine				Wikipedia	NIST
Psilomelane	Mn_xO_y _{mixture of oxides}			Wikipedia
Pt3O4	Pt₃O₄				NIST
PtO	PtO				NIST
PtO2	PtO₂			Wikipedia	NIST
PtO3	PtO₃				NIST
Pulmbous pulmbate	Pb₂O₃				NIST
Pyrex® glass	Pyrex®	1		Wikipedia
Pyridine-3-carboxylic acid		4		Wikipedia	NIST
3-Pyridinecarboxylic acid amide		1	1	Wikipedia	NIST
Pyridinium chlorochromate			2	Wikipedia	NIST
2,4,(1H,3H)-Pyrimidinedione	Uracil U			Wikipedia	NIST
Pyrimidinetrione			1	Wikipedia	NIST
Pyrochlore	(Ca,Na)₂Nb₂O₆ (O,OH,F)			Wikipedia
Pyrolusite	MnO₂		1	Wikipedia
Pyromorphite	Pb₅(PO₄)₃Cl			Wikipedia
Pyrophosphoric acid		2		Wikipedia	NIST
Pyrophosphorus acid					NIST
Pyrosulfite ion			2		NIST
Pyrosulfuric acid	H₂S₂O₇	1	6	Wikipedia	NIST
Pyrosulfurous acid		1			NIST
Pyroxylin	Nitrocellulose	1	1	Wikipedia	NIST
2,5-Pyrrolidinedione		2		Wikipedia	NIST
2-Pyrrolidinone		1		Wikipedia	NIST
Pyruvate ion			1		NIST
Pyruvic acid		1		Wikipedia	NIST
Pyrylium ion			1		NIST
Pyrylium tetrafluoroborate		1			NIST
Q (glutamine)		1	1	Wikipedia	NIST
Quartz	SiO₂			Wikipedia
Quartz glass	Quartz Glass SiO₂			Wikipedia	NIST
Quick lime	CaO	7	6	Wikipedia	NIST
Quinol		2		Wikipedia	NIST
Quinone		3	1	Wikipedia	NIST
R (arginine)		1	1	Wikipedia	NIST
Rb2O	Rb₂O	2	1	Wikipedia	NIST
Rb2O2	Rb₂O₂	2			NIST
RbO2	RbO₂	2			NIST
RbOH	RbOH	7	2	Wikipedia	NIST
RDX		1	3	Wikipedia	NIST
Re2O7	Re₂O₇			Wikipedia	NIST
Red copper ore	Cu₂O		1	Wikipedia
Red lead	Pb₃O₄			Wikipedia	NIST
ReO2	ReO₂				NIST
ReO3	ReO₃				NIST
11-cis-Retinal	11-cis-Retinal	1		Wikipedia	NIST
trans-Retinal	trans-Retinal	1	1	Wikipedia	NIST
Retinol	Retinol Vitamin A		1	Wikipedia	NIST
Reychlers acid		1	1		NIST
Rhenic anhydride	ReO₃				NIST
Rhenium(IV) oxide	ReO₂				NIST
Rhenium(VI) oxide	ReO₃				NIST
Rhenium(VII) oxide	Re₂O₇			Wikipedia	NIST
Rhodochrosite	MnCO₃		1	Wikipedia
Rhodonite	(Mn²⁺,Fe2²⁺, Mg,Ca)SiO₃			Wikipedia
D-Ribose		1	1	Wikipedia	NIST
D-Ribulose				Wikipedia	NIST
Rochelle salt	KNa Tartrate .4H₂O		1	Wikipedia	NIST
Rock fiber	Rock Fiber			Wikipedia
Rock wool	Rock Fiber			Wikipedia
Rubbing alcohol		9	8	Wikipedia	NIST
Rubidium hydroxide	RbOH	7	2	Wikipedia	NIST
Rubidium oxide	Rb₂O	2	1	Wikipedia	NIST
Rubidium peroxide	Rb₂O₂	2			NIST
Rubidium superoxide	RbO₂	2			NIST
Ruby	Al₂O₃			Wikipedia
RuO2	RuO₂			Wikipedia	NIST
RuO4	RuO₄			Wikipedia	NIST
Ruthenium tetroxide	RuO₄			Wikipedia	NIST
Ruthenium(IV) oxide	RuO₂			Wikipedia	NIST
Ruthenium(VIII) oxide	RuO₄			Wikipedia	NIST
Rutile	TiO₂		1	Wikipedia
S (serine)		1	1	Wikipedia	NIST
[S2O3]2-		2	6	Wikipedia	NIST
[S2O4]2-		1	3	Wikipedia	NIST
[S2O5]2-			2		NIST
[S2O6]2-			2	Wikipedia	NIST
[S2O8]2-			4		NIST
[S4O6]2-		1	3	Wikipedia	NIST
Safrole				Wikipedia	NIST
Sal polychrestum	K₂SO₄	2	1	Wikipedia	NIST
Salicyate dianion			1		NIST
Salicyate ion		2	1		NIST
Salicylaldehyde			1	Wikipedia	NIST
Salicylic acid		1	2	Wikipedia	NIST
Salt cake	Na₂SO₄	14	4	Wikipedia	NIST
Salt of tartar	K₂CO₃	4	2	Wikipedia	NIST
Saltpeter	KNO₃	3	1	Wikipedia	NIST
Saltpetre	NaNO₃			Wikipedia
Samaria	Sm₂O₃			Wikipedia	NIST
Samarium(III) oxide	Sm₂O₃			Wikipedia	NIST
Sanidine	K(AlSi₃O₈)			Wikipedia
Sapphire	Al₂O₃			Wikipedia
Sarcolactic acid		1		Wikipedia	NIST
Sarin				Wikipedia	NIST
Sb2O3	Sb₂O₃	2	2	Wikipedia	NIST
Sb2O5	Sb₂O₅		1	Wikipedia	NIST
Sc2O3	Sc₂O₃		1	Wikipedia	NIST
Scandia	Sc₂O₃		1	Wikipedia	NIST
Scandium(III) oxide	Sc₂O₃		1	Wikipedia	NIST
Scheelite	CaWO₄			Wikipedia
Scorodite	FeAsO₄.2H₂O			Wikipedia
Secobarbital Sodium				Wikipedia	NIST
Seconal Sodium				Wikipedia	NIST
Selenate ion	[SeO₄]^2–			Wikipedia	NIST
Selenate ion hydrogen	[HSeO₄]^–				NIST
Selenic acid		1		Wikipedia	NIST
Selenite (hydrogen) ion	[HSeO₃]^–	1	1		NIST
Selenite ion	[SeO₃]^2–		1		NIST
Selenium dioxide	SeO₂	1	1	Wikipedia	NIST
Selenium oxide	SeO₂	1	1	Wikipedia	NIST
Selenium trioxide	SeO₃			Wikipedia	NIST
Selenous acid	H₂SeO₃	2	1	Wikipedia	NIST
Selenyl bromide	SeOBr₂				NIST
Selenyl chloride	SeOCl₂				NIST
Selenyl fluoride	SeOF₂				NIST
Semi-heavy water	DOH	1			NIST
SeO2	SeO₂	1	1	Wikipedia	NIST
SeO3	SeO₃			Wikipedia	NIST
[SeO3]2-	[SeO₃]^2–		1		NIST
[SeO4]2-	[SeO₄]^2–			Wikipedia	NIST
SeOBr2	SeOBr₂				NIST
SeOCl2	SeOCl₂				NIST
SeOF2	SeOF₂				NIST
Ser		1	1	Wikipedia	NIST
Serine		1	1	Wikipedia	NIST
Serine, deprotonated			1	Wikipedia	NIST
Serine, protonated		1		Wikipedia	NIST
Serpentine group	(Mg, Fe)₃ Si₂O₅(OH)₄			Wikipedia
SF2O2	SF₂O₂	1		Wikipedia	NIST
Si(OH)4	Si(OH)₄	2		Wikipedia	NIST
Siderite	FeCO₃			Wikipedia
Silane grafted polyethylene		1	1		NIST
Silane grafted polyethylene, partially hydrolysed		1	1		NIST
Sildenafil	Viagra			Wikipedia	NIST
Siliate ion hydrogen	[HSiO₃]^–				NIST
Silica	SiO₂	5	21	Wikipedia	NIST
Silicate ion	[SiO₃]^2–	1	3	Wikipedia	NIST
Silicate of soda	Na₂SiO₃ ^solution	2		Wikipedia	NIST
Silicic acid	Si(OH)₄	2		Wikipedia	NIST
Silicic acid, sodium salt	Na₂SiO₃ ^solution	2		Wikipedia	NIST
Silicon dioxide	SiO₂	5	21	Wikipedia	NIST
Silicon(IV) oxide	SiO₂	5	21	Wikipedia	NIST
Silicone, dimethyl	[(CH₃)₂SiO]_n	1			NIST
Sillimanite	Al₂SiO₅
Silver bromate	AgBrO₃	1			NIST
Silver carbonate	Ag₂CO₃	3	2	Wikipedia	NIST
Silver chromate(VI)	Ag₂CrO₄	2		Wikipedia	NIST
Silver iodate	AgIO₃	1		Wikipedia	NIST
Silver nitrate	AgNO₃	1	11	Wikipedia	NIST
Silver oxalate	AgC₂O₄	1		Wikipedia	NIST
Silver oxide	Ag₂O	1	3	Wikipedia	NIST
Silver peroxide	Ag₂O₂			Wikipedia	NIST
Silver phosphate	Ag₃PO₄	1			NIST
Silver suboxide	Ag₂O₂			Wikipedia	NIST
Silver sulfate	Ag₂SO₄	1	1	Wikipedia	NIST
Silver(I) dithiosulfate ion	[Ag(S₂O₃)₂]^3–	3			NIST
Silver(I,III) oxide	Ag₂O₂			Wikipedia	NIST
Singlet oxygen, 1st excited state	^1ΔO₂	2	1	Wikipedia	NIST
Singlet oxygen, 2nd excited state	¹Σ⁺_gO₂			Wikipedia	NIST
SiO2	SiO₂	5	21	Wikipedia	NIST
[SiO3]2-	[SiO₃]^2–	1	3	Wikipedia	NIST
[SiO4]4-	[SiO₄]^4–		2	Wikipedia	NIST
Sioplas		1			NIST
Slag	CaSiO₃	4		Wikipedia	NIST
Slag fiber	Slag Fiber
Slag wool	Slag Fiber
Slaked lime	Ca(OH)₂	7	14	Wikipedia	NIST
Sm2O3	Sm₂O₃			Wikipedia	NIST
Smithsonite	ZnCO₃		1	Wikipedia
SnO	SnO	1		Wikipedia	NIST
SnO2	Sn₂O	2		Wikipedia	NIST
SO2	SO₂	31	45	Wikipedia	NIST
SO2Cl2	SO₂Cl₂	1	2	Wikipedia	NIST
SO3	SO₃	10	12	Wikipedia	NIST
[SO3]2-	[SO₃]^2–	2	7	Wikipedia	NIST
[SO4]2-	[SO₄]^2–	18	22	Wikipedia	NIST
Soap	Soap	1		Wikipedia
SOBr2	SOBr₂	1	1	Wikipedia	NIST
SOCl2	SOCl₂	9	10	Wikipedia	NIST
Soda	Na₂CO₃	11	17	Wikipedia	NIST
Soda nitre	NaNO₃	6	6	Wikipedia	NIST
Soda nitre	NaNO₃			Wikipedia
Soda-lime glass	Soda-Lime Glass	1		Wikipedia
Sodalite	Na₈(Al₆Si₆ O₂₄)Cl₂			Wikipedia
Sodium 5-ethyl-5-(1-methylbutyl)-2-thiobarbiturate				Wikipedia	NIST
Sodium acetate	CH₃COONa	4	2	Wikipedia	NIST
Sodium acid carbonate	NaHCO₃	4	3	Wikipedia	NIST
Sodium aluminate	NaAlO₂	1		Wikipedia	NIST
Sodium bicarbonate	NaHCO₃	4	3	Wikipedia	NIST
Sodium bisulfite	NaHSO₃	1		Wikipedia	NIST
Sodium bisulfite	NaHSO₃	2		Wikipedia	NIST
Sodium borate	Na₂[B₄O₅(OH)₄] .8H₂O	1	4	Wikipedia	NIST
Sodium borate, fused	Na₂B₄O₇	1	1	Wikipedia	NIST
Sodium bromate	NaBrO₃	2	1	Wikipedia	NIST
Sodium carbonate	Na₂CO₃	11	17	Wikipedia	NIST
Sodium carbonate perhydrate	2Na₂CO₃.3H₂O₂			Wikipedia	NIST
Sodium chlorate(V)	NaClO₃	4	5	Wikipedia	NIST
Sodium chlorite	NaClO₂	4	1	Wikipedia	NIST
Sodium chlorite(III)	NaClO₂	4	1	Wikipedia	NIST
Sodium chromate	Na₂CrO₄	2	2		NIST
Sodium dichromate	Na₂Cr₂O₇ .H₂O	3	4	Wikipedia	NIST
Sodium disulfite		4	1		NIST
Sodium dithionate		1		Wikipedia	NIST
Sodium dithionite		5		Wikipedia	NIST
Sodium ethanoate	CH₃COONa	4	2	Wikipedia	NIST
Sodium formate	HCOONa	5	2	Wikipedia	NIST
Sodium hydrogen carbonate	NaHCO₃	4	3	Wikipedia	NIST
Sodium hydrogen sulfite	NaHSO₃	2		Wikipedia	NIST
Sodium hydroxide	NaOH	17	61	Wikipedia	NIST
Sodium hydroxide solution	NaOH(aq)	5	37	Wikipedia	NIST
Sodium hypochlorite solution	NaOCl(aq)	4	5	Wikipedia	NIST
Sodium hyposulfite	Na₂S₂O₃	5	4	Wikipedia	NIST
Sodium metabisulphite		4	1		NIST
Sodium metaborate	NaBO₂ Na₃[B₃O₆]	4	1		NIST
Sodium methanoate	HCOONa	5	2	Wikipedia	NIST
Sodium methoxide	NaOCH₃	2	4	Wikipedia	NIST
Sodium methylate	NaOCH₃	2	4	Wikipedia	NIST
Sodium nitrate	NaNO₃	6	6	Wikipedia	NIST
Sodium nitrite	NaNO₂	7	3	Wikipedia	NIST
Sodium orthoborate	Na₃BO₃	1		Wikipedia	NIST
Sodium orthosilicate	Na₂SiO₃ ^solution	2		Wikipedia	NIST
Sodium oxalate		2	1	Wikipedia	NIST
Sodium oxide	Na₂O	5	5	Wikipedia	NIST
Sodium p-toluenesulfonchloramide				Wikipedia	NIST
Sodium perborate	Na₂ [B₂(OH)₄(O₂)₂] .6H₂O	1	1	Wikipedia	NIST
Sodium perborate	Na₂ [B₂(OH)₄(O₂)₂] .6H₂O	1	1	Wikipedia	NIST
Sodium percarbonate	2Na₂CO₃.3H₂O₂			Wikipedia	NIST
Sodium perchlorate	NaClO₄	2	2	Wikipedia	NIST
Sodium peroxide	Na₂O₂	3	7	Wikipedia	NIST
Sodium peroxoborate	Na₂ [B₂(OH)₄(O₂)₂] .6H₂O	1	1	Wikipedia	NIST
Sodium peroxoborate	Na₂ [B₂(OH)₄(O₂)₂] .6H₂O	1	1	Wikipedia	NIST
Sodium phosphate, tribasic	Na₃PO₄	1		Wikipedia	NIST
Sodium pyrosulfite		4	1		NIST
Sodium secondary alkane sulfonate		2		Wikipedia	NIST
Sodium sesquicarbonate	Na₂CO₃.NaHCO₃ .2H₂O			Wikipedia	NIST
Sodium silicate solution	Na₂SiO₃ ^solution	2		Wikipedia	NIST
Sodium sulfate	Na₂SO₄	14	4	Wikipedia	NIST
Sodium sulfate decahydrate	Na₂SO₄ .10H₂O			Wikipedia	NIST
Sodium sulfite	Na₂SO₃	3	6	Wikipedia	NIST
Sodium sulfite septahydrate	Na₂SO₃ .7H₂O	1		Wikipedia	NIST
Sodium superoxide	NaO₂	2		Wikipedia	NIST
Sodium tetraborate tetrahydrate	Na₂[B₄O₅(OH)₄] .8H₂O	1	4	Wikipedia	NIST
Sodium tetrahydroxyaluminate	Na[Al(OH)₄]	2	1		NIST
Sodium tetrathionate	Na₂S₄O₆	2			NIST
Sodium thiopental				Wikipedia	NIST
Sodium thiosulfate	Na₂S₂O₃	5	4	Wikipedia	NIST
Sodium tripolyphosphate		1		Wikipedia	NIST
SOF2	SOF₂	1	1	Wikipedia	NIST
Soluble glass	Na₂SiO₃ ^solution	2		Wikipedia	NIST
Soman				Wikipedia	NIST
Sorbitol		1		Wikipedia	NIST
D-Sorbose				Wikipedia	NIST
Sphene	CaTiSiO₅			Wikipedia
Spinel	MgAl₂O₄			Wikipedia
Spiro[2.2]-1-oxopentane		1	1		NIST
Spodumene	LiAl(SiO₃)₂		1	Wikipedia
Sr(OH)2	Sr(OH)₂	6	1	Wikipedia	NIST
SrC2O4	SrC₂O₄	1			NIST
SrCO3	SrCO₃	1	1	Wikipedia	NIST
SrO	SrO	4	2	Wikipedia	NIST
SrSO4	SrSO₄	1	2	Wikipedia	NIST
Stannic oxide	Sn₂O	2		Wikipedia	NIST
Stannous oxide	SnO	1		Wikipedia	NIST
Starch	Starch		3	Wikipedia
Staurolite	(Fe,Mg)₂(AlFe)₉ Si₄O₂₀(O,OH)			Wikipedia
Steam	H₂O(g)	3	1	Wikipedia	NIST
Stearic acid	CH₃(CH₂)₁₆COOH	1			NIST
STPP		1		Wikipedia	NIST
Strontia	SrO	4	2	Wikipedia	NIST
Strontianite	SrCO₃			Wikipedia
Strontium carbonate	SrCO₃	1	1	Wikipedia	NIST
Strontium hydroxide	Sr(OH)₂	6	1	Wikipedia	NIST
Strontium oxalate	SrC₂O₄	1			NIST
Strontium oxide	SrO	4	2	Wikipedia	NIST
Strontium sulfate	SrSO₄	1	2	Wikipedia	NIST
(-) Strychnine			1	Wikipedia	NIST
(-) Strychnine, protonated		1		Wikipedia	NIST
Succinate (hydrogen) ion		1	1		NIST
Succinate dianion			3		NIST
Succinic acid		2	2	Wikipedia	NIST
Succinimide		2		Wikipedia	NIST
Succinimide anion			1	Wikipedia	NIST
Succinnnic anhydride		2			NIST
Succinyl coenzyme A		1	1	Wikipedia	NIST
Succinyl oxide		2			NIST
Succinyl-CoA		1	1	Wikipedia	NIST
Sucrose	Sucrose		1	Wikipedia	NIST
Sugar	Sucrose		1	Wikipedia	NIST
Sulfamic acid	H₂NSO₃H	2		Wikipedia	NIST
Sulfamide	H₂NSO₂NH₂		1	Wikipedia	NIST
Sulfate ion	[SO₄]^2–	18	22	Wikipedia	NIST
Sulfinate (phenyl) ester, methyl		1			NIST
Sulfinate ion, phenyl			2		NIST
Sulfite ion	[SO₃]^2–	2	7	Wikipedia	NIST
Sulfolane		1		Wikipedia	NIST
Sulfolene		1	1	Wikipedia	NIST
Sulfone, benzylphenyl		1			NIST
Sulfone, methylphenyl		1			NIST
Sulfonium ion, dimethyl hydroxy		1			NIST
Sulfoxonium iodide, trimethyl		2			NIST
Sulfoxonium ion, trimethyl		1	2		NIST
Sulfoxonium ylid, trimethyl		2	3		NIST
Sulfur dioxide	SO₂	31	45	Wikipedia	NIST
Sulfur trioxide	SO₃	10	12	Wikipedia	NIST
Sulfuric acid	H₂SO₄	25	74	Wikipedia	NIST
Sulfuric acid (conc.)	H₂SO₄	25	74	Wikipedia	NIST
Sulfuric(IV) acid	H₂SO₃	4	2	Wikipedia	NIST
Sulfuric acid, aqueous	H₂SO₄(aq)	3	11	Wikipedia	NIST
Sulfuric acid, di	H₂S₂O₇	1	6	Wikipedia	NIST
Sulfuric acid, per		2	2	Wikipedia	NIST
Sulfurous acid	H₂SO₃	4	2	Wikipedia	NIST
Sulfurous acid, di		1			NIST
Sulfuryl chloride	SO₂Cl₂	1	2	Wikipedia	NIST
Sulfuryl fluoride	SF₂O₂	1		Wikipedia	NIST
Sulphamic acid	H₂NSO₃H	2		Wikipedia	NIST
Sulphate ion	[SO₄]^2–	18	22	Wikipedia	NIST
Sulphite ion	[SO₃]^2–	2	7	Wikipedia	NIST
Sulphur dioxide	SO₂	31	45	Wikipedia	NIST
Sulphur trioxide	SO₃	10	12	Wikipedia	NIST
Sulphuric acid (conc.)	H₂SO₄	25	74	Wikipedia	NIST
Sulphuric acid, aqueous	H₂SO₄(aq)	3	11	Wikipedia	NIST
Superoxide ion	[O–O]^–		5	Wikipedia	NIST
Syngas	CO/H₂ ^Syngas	6	6	Wikipedia	NIST
Synthesis gas	CO/H₂ ^Syngas	6	6	Wikipedia	NIST
T (threonine)		1	1	Wikipedia	NIST
T (thymine)	Thymine T		1	Wikipedia	NIST
Ta2O5	Ta₂O₅			Wikipedia	NIST
Tabun				Wikipedia	NIST
D-Tagatose				Wikipedia	NIST
Talc	Mg₃Si₄O₁₀ (OH)₂			Wikipedia
D-Talose		1		Wikipedia	NIST
Tantalic acid anhydride	Ta₂O₅			Wikipedia	NIST
Tantalite	(Fe,Mn) (Ta,Nb)₂O₆			Wikipedia
Tantalum pentoxide	Ta₂O₅			Wikipedia	NIST
Tantalum(IV) oxide	TaO₂				NIST
Tantalum(V) oxide	Ta₂O₅			Wikipedia	NIST
TaO2	TaO₂				NIST
d/l-Tartaric acid		2		Wikipedia	NIST
Tartarus vitriolatus	K₂SO₄	2	1	Wikipedia	NIST
Tartrate (hydrogen) ion		1	1		NIST
Tartrate dianion			1		NIST
TATP		1	1	Wikipedia	NIST
Tb2O3	Tb₂O₃				NIST
TBME		1		Wikipedia	NIST
tBuCOOH	(CH₃)₃C–COOH	1			NIST
tBuOH	(CH₃)₃COH	7	11	Wikipedia	NIST
tBuOK		2	2		NIST
[tBuO]-	[(CH₃)₃C–O]^–	1	2		NIST
Tc2O7	Tc₂O₇			Wikipedia	NIST
TcO2	TcO₂				NIST
TcO3	TcO₃				NIST
TDI		1	1	Wikipedia	NIST
Te(OH)6	Te(OH)₆	1	1	Wikipedia	NIST
Technetium(IV) oxide	TcO₂				NIST
Technetium(VI) oxide	TcO₃				NIST
Technetium(VII) oxide	Tc₂O₇			Wikipedia	NIST
Telluric acid	Te(OH)₆	1	1	Wikipedia	NIST
Tellurite (hydrogen) ion	[HTeO₃]^–	1	1		NIST
Tellurite ion	[TeO₃]^2–		1	Wikipedia	NIST
Tellurium dioxide	TeO₂	1		Wikipedia	NIST
Tellurium trioxide	TeO₃			Wikipedia	NIST
Tellurous acid	H₂TeO₃	1		Wikipedia	NIST
TeO2	TeO₂	1		Wikipedia	NIST
TeO3	TeO₃			Wikipedia	NIST
[TeO3]2-	[TeO₃]^2–		1	Wikipedia	NIST
Teraphthalic_acid		2	2	Wikipedia	NIST
Terbia	Tb₂O₃				NIST
Terbium oxide	Tb₂O₃				NIST
Terylene	Terylene	2		Wikipedia	NIST
Tetraamminodiaquacopper(II) ion	[Cu(NH₃)₄(H₂O)₂]²⁺	2			NIST
Tetraaquadihydroxycobalt(II)	Co(H₂O)₄(OH)₂ Co(OH)₂	3	1		NIST
Tetraaquadihydroxycopper(II)	Cu(H₂O)₄(OH)₂ Cu(OH)₂	3	1		NIST
Tetraaquadihydroxyiron(II)	Fe(H₂O)₄(OH)₂ Fe(OH)₂	4	1		NIST
Tetracarbonylcobalt(0)	Co₂(CO)₈	1	1		NIST
Tetracarbonylethylcobalt(I)		1	1		NIST
Tetracarbonylhydrocobalt(I)	HCo(CO)₄	1	1		NIST
Tetradecanoic acid	CH₃(CH₂)₁₂COOH	2		Wikipedia	NIST
Tetrafluoromethane/Water Complex		1			NIST
Tetrahydrocannabinol				Wikipedia	NIST
Tetrahydrofuran		5	5	Wikipedia	NIST
Tetrahydrofuran, protonated		1			NIST
Tetrahydrothiophene 1,1-dioxide		1		Wikipedia	NIST
Tetrahydroxyaluminate ion	[Al(OH)₄]^–	8		Wikipedia	NIST
Tetrahydroxyberyllium ion	[Be(OH)₄]^2–	4			NIST
Tetrahydroxyborate ion	[B(OH)₄]^–	5			NIST
alpha-Tetralone		4			NIST
Tetramethylene sulfone		1		Wikipedia	NIST
Tetramethylenedisulfotetramine		1		Wikipedia	NIST
Tetraphosphoric acid			1	Wikipedia	NIST
Tetrathionate ion		1	3	Wikipedia	NIST
Tetrathionic acid		1			NIST
TETS		1		Wikipedia	NIST
Thallium(I) oxide	Tl₂O	1		Wikipedia	NIST
Thallium(III) oxide	Tl₂O₃	1		Wikipedia	NIST
THC				Wikipedia	NIST
Thebaine				Wikipedia	NIST
Thenardite	Na₂SO₄			Wikipedia
THF		5	5	Wikipedia	NIST
2-Thioethanol		1			NIST
Thioglycol		1			NIST
Thionyl bromide	SOBr₂	1	1	Wikipedia	NIST
Thionyl chloride	SOCl₂	9	10	Wikipedia	NIST
Thionyl fluoride	SOF₂	1	1	Wikipedia	NIST
Thiopental, sodium				Wikipedia	NIST
Thiosulfate ion		2	6	Wikipedia	NIST
Thiosulfuric acid		1	1	Wikipedia	NIST
Thiosulphate ion		2	6	Wikipedia	NIST
ThO2	ThO₂			Wikipedia	NIST
Thorium dioxide	ThO₂			Wikipedia	NIST
Thr		1	1	Wikipedia	NIST
Threonine		1	1	Wikipedia	NIST
Threonine, deprotonated			1	Wikipedia	NIST
Threonine, protonated		1		Wikipedia	NIST
D-Threose		1	1	Wikipedia	NIST
Thulia	Tm₂O₃			Wikipedia	NIST
Thulium(III) oxide	Tm₂O₃			Wikipedia	NIST
Thymine	Thymine T		1	Wikipedia	NIST
Thymine/Adenine dimer	T=A	1			NIST
Thymol				Wikipedia	NIST
Thymol blue, sodium salt	Thymol Blue			Wikipedia	NIST
Ti2O3	Ti₂O₃			Wikipedia	NIST
Tin dioxide	Sn₂O	2		Wikipedia	NIST
Tin(II) oxide	SnO	1		Wikipedia	NIST
Tin(IV) oxide	Sn₂O	2		Wikipedia	NIST
Tinstone	SnO₂			Wikipedia
TiO	TiO			Wikipedia	NIST
TiO2	TiO₂	3	2	Wikipedia	NIST
Titanite	CaTiSiO₅			Wikipedia
Titanium dioxide	TiO₂	3	2	Wikipedia	NIST
Titanium(II) oxide	TiO			Wikipedia	NIST
Titanium(III) oxide	Ti₂O₃			Wikipedia	NIST
Titanium(IV) oxide	TiO₂	3	2	Wikipedia	NIST
Tl2O	Tl₂O	1		Wikipedia	NIST
Tl2O3	Tl₂O₃	1		Wikipedia	NIST
Tm2O3	Tm₂O₃			Wikipedia	NIST
TNT		1	3	Wikipedia	NIST
Toluene diisocyanate		1	1	Wikipedia	NIST
p-Toluenesulfonate ion			1		NIST
p-Toluenesulfonic acid monohydrate		2		Wikipedia	NIST
p-Toluenesulfonylchloride		1		Wikipedia	NIST
Topaz	Al₂SiO₄(OH,F)			Wikipedia
Torbernite	Cu(UO₂)₂(PO₄)₂ .8-12H₂O			Wikipedia
TOSMIC				Wikipedia	NIST
Tosyl chloride		1		Wikipedia	NIST
Tosylate ion			1		NIST
Tosylmethyl isocyanide				Wikipedia	NIST
Town gas	CO + H₂	1		Wikipedia	NIST
TPA		2	2	Wikipedia	NIST
Tremolite asbestos	Ca₂(Mg,Fe)₅ Si₈O₂₂			Wikipedia
Triaquatrihydroxyaluminium	Al(H₂O)₃(OH)₃ Al(OH)₃	4	3		NIST
Triaquatrihydroxychromium(III)	Cr(H₂O)₃(OH)₃ Cr(OH)₃	3	3		NIST
Triaquatrihydroxyiron(III)	Fe(H₂O)₃(OH)₃ Fe(OH)₃	5	1		NIST
Tricalcium phosphate	Ca₃(PO₄)₂	2	3	Wikipedia	NIST
Tricarbon dioxide	O=C=C=C=O	1	2	Wikipedia	NIST
Tricarbonylhydrocobalt(I)	HCo(CO)₃	2	1		NIST
Tricarbonylpropanoylcobalt(I)		1	1		NIST
2,2,2-Trichloro-1,1-ethanediol		1		Wikipedia	NIST
Trichloroacetate ion	[CCl₃COO]^–		1		NIST
Trichloroacetic acid	CCl₃COOH	2		Wikipedia	NIST
Trichloroethanal	CCl₃CHO		2	Wikipedia	NIST
2,2,2-Trichloroethanol	CCl₃CH₂OH	1		Wikipedia	NIST
2,2,2-Trichloro ethoxide ion			1		NIST
Trichloronitromethane	CCl₃NO₂				NIST
Tricloroacetaldehyde	CCl₃CHO		2	Wikipedia	NIST
Tricycloacetone peroxide		1	1	Wikipedia	NIST
Triethyloxonium ion	[(CH₃CH₂)₃O]⁺				NIST
Triethyloxonium tetrafluoroborate	[Et₃O]⁺[BF₄]^–		1	Wikipedia	NIST
Triethylphosphate	(CH₃CH₂O)₃P=O	3	1		NIST
Triethylphosphite	(CH₃CH₂O)₃P		4	Wikipedia	NIST
Triflate ion	[CF₃SO₃]^–		1	Wikipedia	NIST
Triflic acid	CF₃SO₃H	1		Wikipedia	NIST
Trifluoroacetate ion	[CF₃COO]^–		1		NIST
Trifluoroacetic acid	CF₃COOH	1		Wikipedia	NIST
2,2,2-Trifluoroethanol	CF₃CH₂OH	1		Wikipedia	NIST
2,2,2-Trifluoroethoxide ion			1		NIST
Trifluoromethane sulfonate ion	[CF₃SO₃]^–		1	Wikipedia	NIST
Trifluoromethanesulfonic acid	CF₃SO₃H	1		Wikipedia	NIST
Trihydrated oxonium ion		1		Wikipedia	NIST
Trihydrogen germanate ion	[H₃GeO₄]^–	1	1		NIST
Trihydrogen ortho periodate ion	[H₃IO₆]^2–		1		NIST
1,2,3-Trihydroxypropane		10	2	Wikipedia	NIST
2,4,5-Trihydroxypyrimidine		1		Wikipedia	NIST
Trimethoxy boron	B(OCH₃)₃	2	1	Wikipedia	NIST
3,4,5-Trimethoxyphenethylamine				Wikipedia	NIST
Trimethoxyvinylsilane			1		NIST
Trimethyl borate	B(OCH₃)₃	2	1	Wikipedia	NIST
Trimethylacetic acid	(CH₃)₃C–COOH	1			NIST
Trimethylacetic acid		1			NIST
4-(Trimethylammonium) phenol		1			NIST
4-(Trimethylammonium) phenoxide ion			1		NIST
Trimethyloxonium ion	[(CH₃)₃O]⁺				NIST
Trimethylphosphite	(CH₃O)₃P			Wikipedia	NIST
alpha, omega-bis(trimethylsiloxy)poly(dimethylsiloxane)	[(CH₃)₂SiO]_n	1			NIST
Trimethylsulfoxonium iodide		2			NIST
Trimethylsulfoxonium ion		1	2		NIST
Trimethylsulfoxonium ylid		2	3		NIST
1,3,5-Trinitrobenzene			1		NIST
2,4,6-Trinitrophenol		2	1	Wikipedia	NIST
2,4,6-Trinitrophenoxide ion			1	Wikipedia	NIST
2,4,6-Trinitrotoluene		1	3	Wikipedia	NIST
Trioxan		1			NIST
1,3,5-Trioxane		1			NIST
2,4,6-Trioxohexahydropyrimidine			1	Wikipedia	NIST
Trioxymethylene		1			NIST
Triphenylmethanol		1		Wikipedia	NIST
Triphenyloxonium ion					NIST
Triphenylphosphine oxide	(C₆H₅)₃P=O	1		Wikipedia	NIST
Triplet oxygen	O₂	60	163	Wikipedia	NIST
Triplumbic tetroxide	Pb₃O₄			Wikipedia	NIST
Tris(ethanedioate)cobalt(II) ion	[Co(C₂O₄)₃]^4–	1			NIST
Tris(ethanedioate)iron(II) ion	[Fe(C₂O₄)₃]^3–	2			NIST
Trisodium hydrogendicarbonate	Na₂CO₃.NaHCO₃ .2H₂O			Wikipedia	NIST
Triuranium octaoxide	U₃O₈				NIST
Trona	Na₂CO₃.NaHCO₃ .2H₂O			Wikipedia	NIST
Tropylium chromium tricarbonyl cation		1			NIST
Trp		1	1	Wikipedia	NIST
Truth serum or Truth drug				Wikipedia	NIST
Tryptophan		1	1	Wikipedia	NIST
Tryptophan, deprotonated			1	Wikipedia	NIST
Tryptophan, protonated		1		Wikipedia	NIST
Tungstate ion	[WO₄]^2–		3	Wikipedia	NIST
Tungsten(IV) oxide	WO₂			Wikipedia	NIST
Tungsten(VI) oxide	WO₃			Wikipedia	NIST
Tungsten(VI) oxide mono hydrate	WO₃.H₂O	1		Wikipedia	NIST
Tungstic anhydride	WO₃			Wikipedia	NIST
Tungstite	WO₃.H₂O			Wikipedia
Turquoise	CuAl₆(PO₄)₄ (OH)₈.5H₂O			Wikipedia
Tyr		1	1	Wikipedia	NIST
Tyrosine		1	1	Wikipedia	NIST
Tyrosine, deprotonated		1	1	Wikipedia	NIST
Tyrosine, doubly-deprotonated			1	Wikipedia	NIST
Tyrosine, protonated		1			NIST
Tyuyamunite	Ca(UO₂)₂(VO₄)₂ .5-10H₂O			Wikipedia
U3O8	U₃O₈				NIST
Uracil	Uracil U			Wikipedia	NIST
Ulexite	NaCaB₅O₉ .8H₂O			Wikipedia
UO2	UO₂	1	2	Wikipedia	NIST
UO3	UO₃			Wikipedia	NIST
Uraninite	UO₂			Wikipedia
Uranium dioxide	UO₂	1	2	Wikipedia	NIST
Uranium trioxide	UO₃			Wikipedia	NIST
Uranium(IV) oxide	UO₂	1	2	Wikipedia	NIST
Uranium(IV, VI) oxide	U₃O₈				NIST
Uranium(VI) oxide	UO₃			Wikipedia	NIST
Urea		4	5	Wikipedia	NIST
Urea, protonated		1			NIST
V (valine)		1	1	Wikipedia	NIST
V(CO)6	V(CO)₆			Wikipedia	NIST
[V(H2O)6]2+	[V(H₂O)₆]²⁺	4			NIST
[V(H2O)6]3+	[V(H₂O)₆]³⁺	2	1		NIST
V2O3	V₂O₃			Wikipedia	NIST
V2O5	V₂O₅	1	8	Wikipedia	NIST
Val		1	1	Wikipedia	NIST
Valeraldehyde		1	3	Wikipedia	NIST
Valeric acid		3		Wikipedia	NIST
Valine		1	1	Wikipedia	NIST
Valine, deprotonated			1	Wikipedia	NIST
Valine, protonated		1		Wikipedia	NIST
Valium					NIST
Vanadate(IV) ion	[VO]²⁺		2		NIST
Vanadinite	Pb₅(VO₄)₃Cl			Wikipedia
Vanadium carbonyl	V(CO)₆			Wikipedia	NIST
Vanadium pentoxide	V₂O₅	1	8	Wikipedia	NIST
Vanadium(II) hexaaquava ion	[V(H₂O)₆]²⁺	4			NIST
Vanadium(II) oxide	VO			Wikipedia	NIST
Vanadium(III) dichlorotetraaqua ion	[VCl₂(H₂O)₄]⁺	2	2		NIST
Vanadium(III) hexaaquava ion	[V(H₂O)₆]³⁺	2	1		NIST
Vanadium(III) oxide	V₂O₃			Wikipedia	NIST
Vanadium(IV) oxide	VO₂			Wikipedia	NIST
Vanadium(IV) oxide	VO₂	1	1	Wikipedia	NIST
Vanadium(IV) oxide sulfate	VOSO₄ [VO]²⁺ [SO₄]^2–				NIST
Vanadium(IV) pentaaquaoxo ion	[VO]²⁺ [VO(H₂O)₅]²⁺	3	3		NIST
Vanadium(V) dioxoaqua anion	[VO₂]⁺ [VO(H₂O)₅]³⁺	2	3		NIST
Vanadium(V) oxide	V₂O₅	1	8	Wikipedia	NIST
Vanadium(V) trioxo ion	[VO₃]^–		2		NIST
Vanadyl sulfate	VOSO₄ [VO]²⁺ [SO₄]^2–				NIST
Vandate(V) ion	[VO₃]^–		2		NIST
Vanillin				Wikipedia	NIST
[VCl2(H2O)4]+	[VCl₂(H₂O)₄]⁺	2	2		NIST
Vermiculite	(Mg,Fe²⁺,Fe³⁺)₃ [(Al,Si)₄O₁₀](OH)₂. 4H₂O			Wikipedia
Viagra	Viagra			Wikipedia	NIST
Vinyl acetate		3	1	Wikipedia	NIST
Vinyl acetate polymer		1	1	Wikipedia	NIST
Vinyl alcohol polymer		1		Wikipedia	NIST
Vitamin A	Retinol Vitamin A		1	Wikipedia	NIST
VO	VO			Wikipedia	NIST
[VO(H2O)5]2+	[VO]²⁺ [VO(H₂O)₅]²⁺	3	3		NIST
VO2	VO₂			Wikipedia	NIST
VO2	VO₂	1	1	Wikipedia	NIST
[VO2]+	[VO₂]⁺ [VO(H₂O)₅]³⁺	2	3		NIST
[VO3]-	[VO₃]^–		2		NIST
VOSO4	VOSO₄ [VO]²⁺ [SO₄]^2–				NIST
[VO]2+	[VO]²⁺		2		NIST
W (tryptophan)		1	1	Wikipedia	NIST
Wad	Mn_xO_y.(H₂O)_n _{mixture of hydrated oxides}			Wikipedia
Wash active alkylsulfonate detergent		2		Wikipedia	NIST
Washing soda	Na₂CO₃	11	17	Wikipedia	NIST
Water	H₂O	529	531	Wikipedia	NIST
Water gas	CO + H₂ ^{water gas}	1		Wikipedia	NIST
Water glass	Na₂SiO₃ ^solution	2		Wikipedia	NIST
Water hydrogen bonded dimer		1			NIST
Water of Kings	Aqua Regia	1	2	Wikipedia	NIST
Water, heavy	D₂		1	Wikipedia	NIST
Water, semi-heavy	DOH	1			NIST
Water, steam	H₂O(g)	3	1	Wikipedia	NIST
Wavellite	Al₃(PO₄)₂(OH)₃ .5H₂O			Wikipedia
Wheland intermediate, nitration of benzene		2	1		NIST
Willemite	Zn₂SiO₄			Wikipedia
Witherite	BaCO₃			Wikipedia
WO2	WO₂			Wikipedia	NIST
WO3	WO₃			Wikipedia	NIST
WO3.H2O	WO₃.H₂O	1		Wikipedia	NIST
[WO4]2-	[WO₄]^2–		3	Wikipedia	NIST
Wolframite	(Fe,Mn)WO₄			Wikipedia
Wollastonite	CaSiO₃			Wikipedia
Wood alcohol	CH₃OH	19	31	Wikipedia	NIST
Wulfenite	PbMnO₄			Wikipedia
Xenate ion	[HXeO₄]^–	1	1		NIST
Xenon difluoride dioxide	XeO₂F₂	2		Wikipedia	NIST
Xenon tetrafluoride oxide	XeOF₄	3	1	Wikipedia	NIST
Xenon tetroxide	XeO₄			Wikipedia	NIST
Xenon trioxide	XeO₃	2	4	Wikipedia	NIST
Xenotime	YPO₄			Wikipedia
XeO2F2	XeO₂F₂	2		Wikipedia	NIST
XeO3	XeO₃	2	4	Wikipedia	NIST
XeO4	XeO₄			Wikipedia	NIST
[XeO6]4-	[XeO₆]^4–	1		Wikipedia	NIST
XeOF4	XeOF₄	3	1	Wikipedia	NIST
D-Xylose		1	1	Wikipedia	NIST
D-Xylulose				Wikipedia	NIST
Y (tyrosine)		1	1	Wikipedia	NIST
Y2O3	Y₂O₃				NIST
YPO4	YPO₄	1			NIST
Ytterbia	Yb₂O₃			Wikipedia	NIST
Ytterbium sesquioxide	Yb₂O₃			Wikipedia	NIST
Ytterbium(III) oxide	Yb₂O₃			Wikipedia	NIST
Yttria	Y₂O₃				NIST
Yttrium phosphate	YPO₄	1			NIST
Yttrium(III) oxide	Y₂O₃				NIST
Zeolite			9	Wikipedia	NIST
Zinc carbonate	ZnCO₃	1		Wikipedia	NIST
Zinc dithionite	ZnS₂O₃	2	1	Wikipedia	NIST
Zinc hydroxide	Zn(OH)₂	2		Wikipedia	NIST
Zinc nitrate	Zn(NO₃)₂	2		Wikipedia	NIST
Zinc oxide	ZnO	2	4	Wikipedia	NIST
Zinc silicate	Zn₂SiO₄	1		Wikipedia	NIST
Zincite	ZnO			Wikipedia
Zircon	ZrSiO₄			Wikipedia
Zirconia	ZrO₂			Wikipedia	NIST
Zirconium dioxide	ZrO₂			Wikipedia	NIST
Zirconium silicate	ZrSiO₄	1		Wikipedia	NIST
Zirconium(IV) oxide	ZrO₂			Wikipedia	NIST
Zn(NO3)2	Zn(NO₃)₂	2		Wikipedia	NIST
Zn(OH)2	Zn(OH)₂	2		Wikipedia	NIST
Zn2SiO4	Zn₂SiO₄	1		Wikipedia	NIST
ZnCO3	ZnCO₃	1		Wikipedia	NIST
ZnO	ZnO	2	4	Wikipedia	NIST
ZnS2O4	ZnS₂O₃	2	1	Wikipedia	NIST
Zoisite	Ca₂Al₃Si₃ O₁₂(OH)			Wikipedia
ZrO2	ZrO₂			Wikipedia	NIST
ZrSiO4	ZrSiO₄	1		Wikipedia	NIST
Zundel cation		1		Wikipedia	NIST
Zwitterion, glycine				Wikipedia	NIST

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