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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	CH₂IC