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Periodic Table for chemical entities containing the selected element
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Entity Names Starting With The Letter C	Structure	Reactions Forming	Reactions Using	Wikipedia	NIST
C	C	8	55	Wikipedia	NIST
C (cysteine)		1	1	Wikipedia	NIST
C (cytosine)	Cytosine C		1	Wikipedia	NIST
C10H8		1	7	Wikipedia	NIST
C14H30			1	Wikipedia	NIST
C15H32			1	Wikipedia	NIST
C21H44			1	Wikipedia	NIST
C2F6	C₂F₆	1		Wikipedia	NIST
[C2H3]-			1	Wikipedia	NIST
C2H4	H₂C=CH₂	21	39	Wikipedia	NIST
C2H4O		2	13	Wikipedia	NIST
(C2H5O)2SO2	(C₂H₅O)₂SO₂	1	1	Wikipedia	NIST
[C2H5]-	[CH₃CH₂]^–		7	Wikipedia	NIST
CH3CH3	CH₃CH₃	5	3	Wikipedia	NIST
C2H6O	CH₃CH₂OH	15	34	Wikipedia	NIST
C2H6O2		6	9	Wikipedia	NIST
[C2]2-	^–C≡C^–		10		NIST
C32	C₃₂			Wikipedia	NIST
[C3H3]-			1	Wikipedia	NIST
C3H4		1		Wikipedia	NIST
C3H4	H₂C=C=CH₂			Wikipedia	NIST
[C3H5]+			2		NIST
[C3H5]-			2	Wikipedia	NIST
[C3H5]-			1	Wikipedia	NIST
C3H6	CH₃–CH=CH₂	13	29	Wikipedia	NIST
C3H6		2		Wikipedia	NIST
[C3H7]-			3	Wikipedia	NIST
C3O2	O=C=C=C=O	1	2	Wikipedia	NIST
C4-	C^4–		2	Wikipedia	NIST
C44	C₄₄			Wikipedia	NIST
C4H10		4	8	Wikipedia	NIST
C4H8		2	1	Wikipedia	NIST
C5H10		2		Wikipedia	NIST
C5H5N		2	4	Wikipedia	NIST
[C5H5]-			6	Wikipedia	NIST
[C5H9]-			2	Wikipedia	NIST
C60	C₆₀		1	Wikipedia	NIST
(C6H11)3P				Wikipedia	NIST
[C6H11]-			1	Wikipedia	NIST
C6H12		5	7	Wikipedia	NIST
C6H12N4		1	2	Wikipedia	NIST
C6H12O6		1		Wikipedia	NIST
C6H15As	(CH₃H₂)₃As		1		NIST
[(C6H5)2CH]+			1		NIST
(C6H5)2NH		1	1	Wikipedia	NIST
[(C6H5)2N]-			1	Wikipedia	NIST
(C6H5)3C•	(C₆H₅)₃C•	1	1	Wikipedia	NIST
(C6H5)3CCl	(C₆H₅)₃CCl	2	1		NIST
(C6H5)3CH		1		Wikipedia	NIST
(C6H5)3COH		1		Wikipedia	NIST
[(C6H5)3C]+			2		NIST
[(C6H5)3C]-			2	Wikipedia	NIST
(C6H5)3P		1	4	Wikipedia	NIST
(C6H5)3PO	(C₆H₅)₃P=O	1		Wikipedia	NIST
C6H5AsH2		1			NIST
C6H5Br		4	1	Wikipedia	NIST
C6H5C6H5		2		Wikipedia	NIST
C6H5CH2Br		2	1	Wikipedia	NIST
C6H5CH2CH3		4	1	Wikipedia	NIST
C6H5CH2Cl		1		Wikipedia	NIST
C6H5CH2CN				Wikipedia	NIST
C6H5CH2Li					NIST
C6H5CH2NC		1		Wikipedia	NIST
C6H5CH2NH2		1		Wikipedia	NIST
C6H5CH2OH		5	1	Wikipedia	NIST
[C6H5CH2]+			4		NIST
[C6H5CH2]-			2	Wikipedia	NIST
C6H5CH3		6	16	Wikipedia	NIST
C6H5CH=CH2		2	4	Wikipedia	NIST
C6H5CH=CHC6H5			1	Wikipedia	NIST
C6H5CHO		2	6	Wikipedia	NIST
C6H5Cl		5	3	Wikipedia	NIST
C6H5CN		2	3	Wikipedia	NIST
C6H5COCH3		3	2	Wikipedia	NIST
C6H5COCl			1	Wikipedia	NIST
C6H5CONH2				Wikipedia	NIST
C6H5COOH		6	2	Wikipedia	NIST
C6H5COOR				Wikipedia
[C6H5COO]-		2	2	Wikipedia	NIST
[C6H5CO]+			3		NIST
C6H5F			2	Wikipedia	NIST
C6H5I		3		Wikipedia	NIST
C6H5Li		2	2		NIST
C6H5N(CH3)2			2		NIST
[C6H5N2]+		2	11		NIST
C6H5N=NC6H5					NIST
C6H5NH2		8	8	Wikipedia	NIST
[C6H5NH3]+		2			NIST
C6H5NHCH3				Wikipedia	NIST
[C6H5NH]-			1	Wikipedia	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
C6H5PH2				Wikipedia	NIST
C6H5SeBr		2			NIST
[C6H5Se]+			1		NIST
[C6H5Se]-		1	2		NIST
C6H5SH		1		Wikipedia	NIST
[C6H5SiH2]-			1		NIST
C6H5SO2CH3		1			NIST
[C6H5SO2]-			2		NIST
C6H5SO3H		2	1		NIST
[C6H5SO3]-			1		NIST
[C6H5]-			5		NIST
[C6H5]-			11	Wikipedia	NIST
C6H6		11	42	Wikipedia	NIST
[C₆H₆As]^-			1		NIST
C6H6N2O2		1	3	Wikipedia	NIST
C70	C₇₀			Wikipedia	NIST
[C7H7]+			1	Wikipedia	NIST
[C7H7]-			1	Wikipedia	NIST
C8Cs	C₈Cs	1		Wikipedia	NIST
[C8H8]2-			1		NIST
C8K	C₈K	1		Wikipedia	NIST
C8Rb	C₈Rb	1		Wikipedia	NIST
C9H20		1		Wikipedia	NIST
Ca	Ca	2	15	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(NH2)2	Ca(NH₂)₂	2			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
Ca2+	Ca²⁺	5	29		NIST
Ca3(PO4)2	Ca₃(PO₄)₂	2	3	Wikipedia	NIST
Ca3N2	Ca₃N₂	2	1	Wikipedia	NIST
Ca3P2	Ca₃P₂	2	1	Wikipedia	NIST
CaBr2	CaBr₂	2	1	Wikipedia	NIST
CaC2	CaC₂	3	3	Wikipedia	NIST
CaC2O4	CaC₂O₄	1		Wikipedia	NIST
CaCl2	CaCl₂	9		Wikipedia	NIST
CaCO3	CaCO₃	10	6	Wikipedia	NIST
Cadmium	Cd	1		Wikipedia	NIST
Cadmium bromide	CdBr₂	1		Wikipedia	NIST
Cadmium chloride	CdCl₂			Wikipedia	NIST
Cadmium fluoride	CdF₂			Wikipedia	NIST
Cadmium iodide	CdI₂			Wikipedia	NIST
Cadmium ion	Cd²⁺		3		NIST
Cadmium oxide	CdO			Wikipedia	NIST
Cadmium sulfide	CdS	1		Wikipedia	NIST
Caesium	Cs	1	20	Wikipedia	NIST
Caesium carbonate	Cs₂CO₃	1		Wikipedia	NIST
CaF2	CaF₂	3	5	Wikipedia	NIST
CaH2	CaH₂	2	2	Wikipedia	NIST
CaI2	CaI₂	2		Wikipedia	NIST
Calamine	ZnCO₃		1	Wikipedia
Calcinated baryta	BaO	4	3	Wikipedia	NIST
Calcite	CaCO₃			Wikipedia
Calcium	Ca	2	15	Wikipedia	NIST
Calcium acetate	Ca(CH₃COO)₂	1		Wikipedia	NIST
Calcium amide	Ca(NH₂)₂	2			NIST
Calcium bicarbonate	Ca(HCO₃)₂	1	3	Wikipedia	NIST
Calcium bromide	CaBr₂	2	1	Wikipedia	NIST
Calcium carbide	CaC₂	3	3	Wikipedia	NIST
Calcium carbimide	CaNCN	1	3	Wikipedia	NIST
Calcium carbonate	CaCO₃	10	6	Wikipedia	NIST
Calcium chloride	CaCl₂	9		Wikipedia	NIST
Calcium cyanamide	CaNCN	1	3	Wikipedia	NIST
Calcium fluoride	CaF₂	3	5	Wikipedia	NIST
Calcium hydrate	Ca(OH)₂	7	14	Wikipedia	NIST
Calcium hydride	CaH₂	2	2	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 iodide	CaI₂	2		Wikipedia	NIST
Calcium ion	Ca²⁺	5	29		NIST
Calcium metaborate	Ca(BO₂)₂				NIST
Calcium nitride	Ca₃N₂	2	1	Wikipedia	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 phosphide	Ca₃P₂	2	1	Wikipedia	NIST
Calcium selenide	CaSe	2			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 sulfide	CaS	4		Wikipedia	NIST
Calcium sulfite	CaSO₃.x(H₂O)	2		Wikipedia	NIST
Calcium telluride	CaTe	2			NIST
Calcium tungstate	CaWO₄	1		Wikipedia	NIST
Californium	Cf			Wikipedia	NIST
Calomel	Hg₂Cl₂	1	1	Wikipedia	NIST
cAMP	cAMP			Wikipedia	NIST
(1R)-(-)-10-Camphorsulfonic acid		1	1		NIST
CaNCN	CaNCN	1	3	Wikipedia	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
Carbamamidine			2	Wikipedia	NIST
Carbamate (generic)				Wikipedia	NIST
Carbamide		4	5	Wikipedia	NIST
Carbamylurea		1		Wikipedia	NIST
Carbane	CH₄	14	32	Wikipedia	NIST
Carbanion (generic)	R^–	2	13	Wikipedia
1° Carbanion (generic)			2
2° Carbanion (generic)			1
3° Carbanion (generic)	[R₃C]^–		1	Wikipedia
Carbanion, stabilised (generic)			1
Carbanion, acetone enolate			2	Wikipedia	NIST
Carbanion, acetonitrile	N≡C–CH₂^–		1	Wikipedia	NIST
Carbanion, acetophenone lithium enolate			2		NIST
Carbanion, acetylacetone			1	Wikipedia	NIST
Carbanion, acetylide (generic)	R–C≡C^–	1	2	Wikipedia
Carbanion, alpha-aldehyde (generic)			2
Carbanion, benzene			11	Wikipedia	NIST
Carbanion, benzyl			2	Wikipedia	NIST
Carbanion, benzylphenylsulfone			1	Wikipedia	NIST
Carbanion, n-butyl			3	Wikipedia	NIST
Carbanion, sec-butyl			2		NIST
Carbanion, t-butyl	[(CH₃)₃C]^–		6	Wikipedia	NIST
Carbanion, carboxylate stabilised (generic)			1
Carbanion, cyano phenyl					NIST
Carbanion, cyclobutyl			1	Wikipedia	NIST
Carbanion, cyclohexanone enolate			1	Wikipedia	NIST
Carbanion, cyclohexenyl			1	Wikipedia	NIST
Carbanion, cyclohexyl			1	Wikipedia	NIST
Carbanion, cyclopentyl			2	Wikipedia	NIST
Carbanion, cyclopropenyl			1	Wikipedia	NIST
Carbanion, cyclopropyl			1	Wikipedia	NIST
Carbanion, diethyl malonate			1		NIST
Carbanion, dimsyl			1	Wikipedia	NIST
Carbanion, dinitro	[(NO₂)₂CH]^–		1	Wikipedia	NIST
Carbanion, diphenyl			1	Wikipedia	NIST
Carbanion, 1,3-dithiane (generic)			1	Wikipedia
Carbanion, enolate (generic)		1	5	Wikipedia
Carbanion, ester stabilised (generic)
Carbanion, ethenyl			1	Wikipedia	NIST
Carbanion, ethyl	[CH₃CH₂]^–		7	Wikipedia	NIST
Carbanion, ethyl acetate			3	Wikipedia	NIST
Carbanion, ethyl acetoacetate					NIST
Carbanion, fluorene			1	Wikipedia	NIST
Carbanion, hydrogen acetylide	HC≡C^–	1	2	Wikipedia	NIST
Carbanion, isopropyl			3	Wikipedia	NIST
Carbanion, beta-ketoaldehyde (generic)			1
Carbanion, beta-ketoester (generic)			1	Wikipedia
Carbanion, beta-ketone (generic)			1	Wikipedia
Carbanion, lithium 2-norbornyl			2		NIST
Carbanion, malonate (generic)			1	Wikipedia
Carbanion, malononitrile	[(CN)₂CH]^–		1	Wikipedia	NIST
Carbanion, methyl	[CH₃]^–		12	Wikipedia	NIST
Carbanion, methyl ketone enolate (generic)			3	Wikipedia
Carbanion, methyl thioether (generic)	[R–S–CH₂]^–	1	1
Carbanion, nitrile stabilised (generic)			1
Carbanion, nitro stabilised (generic)			1	Wikipedia
Carbanion, phenyl			2	Wikipedia	NIST
Carbanion, phenyl (generic)
Carbanion, phenylacetylide			1	Wikipedia	NIST
Carbanion, phosphonate stabilised (generic)		1	1
Carbanion, propenyl			2	Wikipedia	NIST
Carbanion, n-propyl			2		NIST
Carbanion, tricyano	[(CN)₃C]^–		1	Wikipedia	NIST
Carbanion, triphenyl			2	Wikipedia	NIST
Carbanion, vinyl (generic)			3
Carbaryl		2		Wikipedia	NIST
Carbene	CH₂	3	10	Wikipedia	NIST
Carbene synthon (generic)			1
Carbene, alkyl (generic)	R–C–H		1	Wikipedia
Carbene, dialkyl (generic)	R–C–R	3		Wikipedia
Carbene, dichloro	CCl₂	2		Wikipedia	NIST
Carbenium ion	[CH₃]⁺	2	9		NIST
Carbenium ion (generic)	R⁺	2	32	Wikipedia
Carbenium ion synthon, alpha-keto (generic)		1
Carbenium ion synthon, acyl (generic)		1	10
Carbenium ion synthon, alkyl (generic)	R–Nfg	1	7
Carbenium ion synthon, 1° alkyl (generic)	RCH₂–Nfg	1
Carbenium ion synthon, 2° alkyl (generic)	(R)₂CH–Nfg	1
Carbenium ion synthon, 3° alkyl (generic)	(R)₃C–Nfg	1
Carbenium ion synthon, allylic (generic)		1
Carbenium ion synthon, benzylic (generic)		1	1
Carbenium ion synthon, cyclopropylmethyl (generic)		1
Carbenium ion synthon, methyl (generic)	CH₃–Nfg	1
Carbenium ion synthon, propargylic (generic)		1
Carbenium ion, alpha-keto (generic)			1
Carbenium ion, alpha-cyclopropyl			1		NIST
Carbenium ion, alkoxy (generic)			2
Carbenium ion, alkyl (generic)	[RCH₂CH₂]⁺		6
Carbenium ion, alkyl alkoxy hydroxy (generic)		1
Carbenium ion, alkyl amino hydroxy (generic)		1
Carbenium ion, alkyl dihydroxy (generic)		1
Carbenium ion, allyl			2		NIST
Carbenium ion, beta-amino (generic)			2
Carbenium ion, beta-ether (generic)			2
Carbenium ion, beta-thioether (generic)			2
Carbenium ion, benzyl			4		NIST
Carbenium ion, dialkoxy (generic)			2
Carbenium ion, dialkyl (generic)	[R₂CH]⁺		3
Carbenium ion, dialkyl hydroxy (generic)		1
Carbenium ion, diamino hydroxy		1			NIST
Carbenium ion, dimethyl		3	7		NIST
Carbenium ion, dimethyl hydroxy		1			NIST
Carbenium ion, dimethyl phenyl					NIST
Carbenium ion, diphenyl			1		NIST
Carbenium ion, ethoxy hydroxy methyl		1			NIST
Carbenium ion, hydroxy methyl		1			NIST
Carbenium ion, methyl	[CH₃CH₂]⁺	3	10		NIST
Carbenium ion, methyl alkyl (generic)		1	4
Carbenium ion, phenyl			4		NIST
Carbenium ion, phenyl (generic)
Carbenium ion, propargyl	[HC≡C–CH₂]⁺		1		NIST
Carbenium ion, propargylic (generic)			1
Carbenium ion, propenyl			2		NIST
Carbenium ion, propyl			3		NIST
Carbenium ion, trialkyl (generic)	[R₃C]⁺		3
Carbenium ion, trimethyl		2	10		NIST
Carbenium ion, triphenylmethyl			2		NIST
Carbenium ion/tetrachloro aluminate complex (generic)	R⁺ [AlCl₄]^–	2
Carbide ion	^–C≡C^–		10		NIST
Carbimide ion	[N=C=N]^–			Wikipedia	NIST
Carbocation (AS/A2 generic)		1		Wikipedia
Carbocation (generic)	R⁺	2	32	Wikipedia
Carbodiimide	HN=C=NH	2	3	Wikipedia	NIST
Carbodithioic acid (generic)
Carbohydrate (generic)	(CH₂O)_n			Wikipedia
Carbohydrazonic acid (generic)
Carbohydroxamic acid (generic)
Carboiimide (generic)	R–N=C=N–R
Carbolic acid		8	10	Wikipedia	NIST
Carbolic oil	Tar Acid	1			NIST
Carbomethene	H₂C=C=O	4	4	Wikipedia	NIST
Carbon	C	8	55	Wikipedia	NIST
Carbon 12	¹²C	1	6	Wikipedia	NIST
Carbon dioxide	CO₂	104	35	Wikipedia	NIST
Carbon dioxide, aqueous	CO₂(aq)	1		Wikipedia	NIST
Carbon disulfide	CS₂	2	5	Wikipedia	NIST
Carbon fiber	Carbon Fiber	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
Carbon tetrachloride	CCl₄	11	5	Wikipedia	NIST
Carbon tetrafluoride	CF₄	4	1	Wikipedia	NIST
Carbon, diamond	C ^Diamond			Wikipedia	NIST
Carbon, graphite	C ^graphite		3	Wikipedia
Carbonate (hydrogen) ion	[HCO₃]^–	4	5		NIST
Carbonate diester (generic)			1
Carbonate diester, protonated (generic)		1
Carbonate ion	[CO₃]^2–	1	25	Wikipedia	NIST
Carbonate or urea (generic)
Carbonic acid	H₂CO₃	1		Wikipedia	NIST
Carbonimid	HNCO	1			NIST
Carbonium ion	[CH₅]⁺	2		Wikipedia	NIST
Carbonyl chloride		2	6	Wikipedia	NIST
Carbonyl function (AS/A2 generic)
Carbonyl function (generic)	X=O:			Wikipedia
Carbonyl sulfide	O=C=S	1		Wikipedia	NIST
Carbonyl, alkylated (generic)	[X=O–R]⁺
Carbothioic O-acid (generic)
Carbothioic S-acid (generic)		1
Carboximidic acid (generic)
3-Carboxy-2-oxo-pentanedioic acid		1	1	Wikipedia	NIST
Carboxylate dianion (generic)			1
Carboxylate ion (AS/A2 generic)		5		Wikipedia
Carboxylate ion (generic)	RCOO^–	9	11	Wikipedia
Carboxylic acid (AS/A2 generic)		7	3	Wikipedia
Carboxylic acid (generic)	RCOOH	15	14
Carboxylic acid anion (AS/A2 generic)		5		Wikipedia
Carboxylic acid, protonated (generic)		1
Carnallite	KMgCl₃.6H₂O		1	Wikipedia
Carnotite	K₂(UO₂)₂(VO₄)₂ .3H₂O		1	Wikipedia
Caro's acid		2	2	Wikipedia	NIST
CaS	CaS	4		Wikipedia	NIST
CaSe	CaSe	2			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
Cast iron, gray	Cast Iron			Wikipedia	NIST
Catalyst (AS/A2 generic)				Wikipedia
Catalytic converter	Catalytic Converter Pt \| Rh \| Pd \| Ir		1	Wikipedia	NIST
CaTe	CaTe	2			NIST
Caustic potash	KOH	12	18	Wikipedia	NIST
Caustic soda	NaOH	17	61	Wikipedia	NIST
CaWO4	CaWO₄	1		Wikipedia	NIST
CCl2	CCl₂	2		Wikipedia	NIST
CCl2=CCl2	Cl₂C=CCl₂	4		Wikipedia	NIST
CCl3CH2OH	CCl₃CH₂OH	1		Wikipedia	NIST
CCl3CHO	CCl₃CHO		2	Wikipedia	NIST
[CCl3COO]-	[CCl₃COO]^–		1		NIST
CCl3F	CCl₃F	3	1	Wikipedia	NIST
CCl3NO2	CCl₃NO₂				NIST
CCl4	CCl₄	11	5	Wikipedia	NIST
Cd	Cd	1		Wikipedia	NIST
Cd2+	Cd²⁺		3		NIST
CdBr2	CdBr₂	1		Wikipedia	NIST
CdCl2	CdCl₂			Wikipedia	NIST
CdF2	CdF₂			Wikipedia	NIST
CdI2	CdI₂			Wikipedia	NIST
CdO	CdO			Wikipedia	NIST
CdS	CdS	1		Wikipedia	NIST
CDT		1			NIST
Ce	Ce	1		Wikipedia	NIST
Ce2O3	Ce₂O₃	1			NIST
Ce3+	Ce³⁺	1	2		NIST
Ce4+	Ce⁴⁺		2		NIST
CeBr3	CeBr₃.H₂O				NIST
CeCl3	CeCl₃			Wikipedia	NIST
CeF3	CeF₃				NIST
CeF4	CeF₄.H₂O				NIST
CeI3	CeI₃.9H₂O				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
Cerargyrite	AgCl			Wikipedia
Cerebrose		1		Wikipedia	NIST
Ceria	CeO₂	1		Wikipedia	NIST
Cerium	Ce	1		Wikipedia	NIST
Cerium(III) bromide	CeBr₃.H₂O				NIST
Cerium(III) chloride	CeCl₃			Wikipedia	NIST
Cerium(III) fluoride	CeF₃				NIST
Cerium(III) iodide	CeI₃.9H₂O				NIST
Cerium(III) ion	Ce³⁺	1	2		NIST
Cerium(III) oxide	Ce₂O₃	1			NIST
Cerium(IV) fluoride	CeF₄.H₂O				NIST
Cerium(IV) ion	Ce⁴⁺		2		NIST
Cerium(IV) oxide	CeO₂	1		Wikipedia	NIST
Cerussite	PbCO₃			Wikipedia
Cesium	Cs	1	20	Wikipedia	NIST
Cesium amide	CsNH₂	2			NIST
Cesium antimonide	Cs₃Sb	2	1		NIST
Cesium arsenide	Cs₃As	2	1		NIST
Cesium bromide	CsBr	2		Wikipedia	NIST
Cesium carbide	CsCâ‰¡CCs	2			NIST
Cesium carbonate	Cs₂CO₃	1		Wikipedia	NIST
Cesium cation	Cs⁺	7	21		NIST
Cesium chloride	CsCl	2		Wikipedia	NIST
Cesium fluoride	CsF	2	3	Wikipedia	NIST
Cesium graphite	C₈Cs	1		Wikipedia	NIST
Cesium hydride	CsH	2	1		NIST
Cesium hydrogen sulfide	CsSH	3			NIST
Cesium hydroxide	CsOH	7	2	Wikipedia	NIST
Cesium iodide	CsI	2		Wikipedia	NIST
Cesium oxide	Cs₂O	2	1		NIST
Cesium peroxide	Cs₂O₂	2			NIST
Cesium phosphide	Cs₃P	2			NIST
Cesium selenide	Cs₂Se	2			NIST
Cesium stibnide	Cs₃Sb	2	1		NIST
Cesium sulfide	Cs₂S	2	1		NIST
Cesium superoxide	CsO₂	2			NIST
Cesium telluride	Cs₂Te	2			NIST
Cf	Cf			Wikipedia	NIST
CF2=CF2	F₂C=CF₂	1	1	Wikipedia	NIST
(CF2CF2)n		1		Wikipedia	NIST
CF2Cl2	CCl₂F₂	4	1	Wikipedia	NIST
CF3COOH	CF₃COOH	1		Wikipedia	NIST
[CF3COO]-	[CF₃COO]^–		1		NIST
CF3SO3H	CF₃SO₃H	1		Wikipedia	NIST
[CF3SO3]-	[CF₃SO₃]^–		1	Wikipedia	NIST
CF4	CF₄	4	1	Wikipedia	NIST
cGMP	cGTP			Wikipedia	NIST
CH radical		1	2		NIST
CH2	CH₂	3	10	Wikipedia	NIST
(CH2)4		2	1	Wikipedia	NIST
CH2=CCl2	H₂C=CCl₂	1	1	Wikipedia	NIST
CH2=CHBr		1		Wikipedia	NIST
CH2=CHCH2CH3		1	5	Wikipedia	NIST
CH2=CHCH=CH2		8	12	Wikipedia	NIST
CH2=CHCHO		3	4	Wikipedia	NIST
CH2=CHCl	H₂C=CHCl	3	4	Wikipedia	NIST
CH2=CHCN		6	10	Wikipedia	NIST
CH2=CHF		2	1	Wikipedia	NIST
CH2CH2	H₂C=CH₂	21	39	Wikipedia	NIST
(CH2CH2)n	–[CH₂CH₂]_n–	2	1		NIST
CH2Cl2	CH₂Cl₂	6	3	Wikipedia	NIST
CH2ClCH2Cl	CH₂ClCH₂Cl	3	10		NIST
CH2I2	CH₂I₂		2		NIST
CH2N2	CH₂N₂	1	4	Wikipedia	NIST
(CH2O)3		1			NIST
(CH2O)n	(CH₂O)_n	1	1	Wikipedia	NIST
(CH2O)n	(CH₂O)_n			Wikipedia
CH₃•	CH₃•	8	8		NIST
CH3 Group (generic)	R–CH₃	8
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)2CH)2NH		2		Wikipedia	NIST
[((CH3)2CH)2N]-			2		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)2NH	(CH₃)₂NH	4	3	Wikipedia	NIST
[(CH3)2N]-	[(CH₃)₂N]^–		1		NIST
(CH3)2O			3	Wikipedia	NIST
(CH3)2S	(CH₃)₂S	1	2		NIST
(CH3)2SiCl2	(CH₃)₂SiCl₂	1	1	Wikipedia	NIST
(CH3)2SO		3	5	Wikipedia	NIST
(CH3)3B	(CH₃)₃B	1			NIST
(CH3)3CBr	(CH₃)₃CBr	4	2		NIST
(CH₃)₃CCl		5	1		NIST
(CH3)3CCOOH	(CH₃)₃C–COOH	1			NIST
(CH3)3CF		2			NIST
(CH3)3CH		3	4	Wikipedia	NIST
(CH3)3CI	(CH₃)₃CI	4			NIST
(CH3)3CNC		1		Wikipedia	NIST
(CH3)3CNH2	(CH₃)₃C–NH₂		1		NIST
(CH3)3COH	(CH₃)₃COH	7	11	Wikipedia	NIST
(CH3)3COK		2	2		NIST
[(CH3)3CO]-	[(CH₃)₃C–O]^–	1	2		NIST
[(CH3)3C]-	[(CH₃)₃C]^–		6	Wikipedia	NIST
(CH3)3N	(CH₃)₃N	7	3	Wikipedia	NIST
(CH3)3N	(CH₃CH₂)₃N		1	Wikipedia	NIST
[(CH3)3NH]+	[(CH₃)₃NH]⁺	2			NIST
[(CH3)3O]+	[(CH₃)₃O]⁺				NIST
(CH3)3P	(CH₃)₃P	1	1	Wikipedia	NIST
[(CH3)3Si]+	[(CH₃)₃Si]⁺				NIST
[(CH3)3S]+	[(CH₃)₃S]⁺				NIST
(CH3)4C			1	Wikipedia	NIST
[(CH3)4N]+	[(CH₃)₄N]⁺	2	3		NIST
CH3Br	CH₃Br	3	3	Wikipedia	NIST
[CH3C6H5SO3]-			1		NIST
CH3CCl3	CH₃CCl₃	1		Wikipedia	NIST
(CH3CH2)2O		3	17	Wikipedia	NIST
(CH3CH2)2S	(CH₃CH₂)₂S		1		NIST
(CH3CH2)3B	(CH₃CH₂)₃B	1		Wikipedia	NIST
[(CH3CH2)3O]+	[(CH₃CH₂)₃O]⁺				NIST
(CH3CH2)3P	(CH₃CH₂)₃P	1	2		NIST
CH3CH2â€¢	CH₃CH₂•	1	1		NIST
CH3CH2Br	CH₃CH₂Br	9	2	Wikipedia	NIST
CH3CH2CH2Br		3		Wikipedia	NIST
CH3CH2CH2CH2Br			3	Wikipedia	NIST
CH3CH2CH2CH2CH2CH2CH2CH3		1	3	Wikipedia	NIST
CH3CH2CH2CH2CH2CH2CH3			1		NIST
CH3CH2CH2CH2CH2CH3		1	5	Wikipedia	NIST
CH3CH2CH2CH2CH2OH			2	Wikipedia	NIST
CH3CH2CH2CH2CH3		3		Wikipedia	NIST
CH3CH2CH2CH2CHO		1	3	Wikipedia	NIST
CH3CH2CH2CH2CN		1			NIST
CH3CH2CH2CH2COOH		3		Wikipedia	NIST
CH3CH2CH2CH2Li		2		Wikipedia	NIST
CH3CH2CH2CH2NC		1		Wikipedia	NIST
CH3CH2CH2CH2NH2		1	1	Wikipedia	NIST
CH3CH2CH2CH2OH		4	2	Wikipedia	NIST
C[H3CH2CH2CH2S]-					NIST
[CH3CH2CH2CH2]-			3	Wikipedia	NIST
CH3CH2CH2CH3		4	8	Wikipedia	NIST
CH3CH2CH2CHO		5	6	Wikipedia	NIST
CH3CH2CH2COOH		6		Wikipedia	NIST
[CH3CH2CH2COO]-			1		NIST
CH3CH2CH2NH2			1	Wikipedia	NIST
CH3CH2CH2OH		4	2	Wikipedia	NIST
[CH3CH2CH2]-			2		NIST
CH3CH2CH3		2	2	Wikipedia	NIST
CH3CH2CHO		3	3	Wikipedia	NIST
CH3CH2Cl	CH₃CH₂Cl	8	3	Wikipedia	NIST
CH3CH2CN	CH₃CH₂CN		1	Wikipedia	NIST
CH3CH2COCl			1		NIST
CH3CH2COOCH2CH2CH3		1			NIST
CH3CH2COOCH2CH3		1			NIST
CH3CH2COOH	CH₃CH₂COOH	5	1	Wikipedia	NIST
[CH3CH2COO]-			1		NIST
CH3CH2F		2	1		NIST
CH3CH2NH2	CH₃CH₂NH₂	5	7	Wikipedia	NIST
[CH3CH2NH3]+	[CH₃CH₂NH₃]⁺	2			NIST
[CH3CH2NH]-		2	1	Wikipedia	NIST
(CH3CH2O)3P	(CH₃CH₂O)₃P		4	Wikipedia	NIST
CH3CH2OCH2CH3		3	17	Wikipedia	NIST
CH3CH2OH	CH₃CH₂OH	15	34	Wikipedia	NIST
[CH3CH2O]-	CH₃CH₂O^–	6	5		NIST
CH3CH2SCH2CH3	(CH₃CH₂)₂S		1		NIST
CH3CH2SH	CH₃CH₂SH	1	1	Wikipedia	NIST
[CH3CH2S]-	[CH₃CH₂S]^–		1		NIST
[CH3CH2]+	[CH₃CH₂]⁺	3	10		NIST
[CH3CH2]-	[CH₃CH₂]^–		7	Wikipedia	NIST
(CH3CH3)3OBF4	[Et₃O]⁺[BF₄]^–		1	Wikipedia	NIST
CH3CH3I	CH₃CH₂I	3	1	Wikipedia	NIST
CH3CH=CHCH3		3	3	Wikipedia	NIST
CH3CH=CHCH3		3	3	Wikipedia	NIST
CH3CHBrCH3	(CH₃)₂CHBr	4	8		NIST
CH3CHCl2	CH₃CHCl₂	1	1	Wikipedia	NIST
CH3CHClCH3		4	2		NIST
CH3CHFCH3		2			NIST
CH3CHICH3	(CH₃)₂CHI	3			NIST
CH3CHO	CH₃CHO	13	20	Wikipedia	NIST
CH3Cl	CH₃Cl	8	4	Wikipedia	NIST
CH3CN	CH₃CN	6	5	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
CH3F	CH₃F	1		Wikipedia	NIST
CH3I	CH₃I	4	12	Wikipedia	NIST
CH3IF2	CH₃IF	1			NIST
CH3Li	LiCH₃	2	2	Wikipedia	NIST
CH3MgI	CH₃MgI	2	3	Wikipedia	NIST
CH3NCO	CH₃–N=C=O		1	Wikipedia	NIST
CH3NH2	CH₃NH₂	2	9	Wikipedia	NIST
[CH3NH3]+	[CH₃NH₃]⁺	4			NIST
[CH3NH]-	[CH₃–NH]^–		1		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
CH3SCH3	(CH₃)₂S	1	2		NIST
CH3SCN	N≡C–S–CH₃	1			NIST
CH3SH	CH₃–SH	1	1		NIST
CH3SiCl3	CH₃SiCl₃		1	Wikipedia	NIST
CH3SOCH3		3	5	Wikipedia	NIST
[CH3SS]-	[CH₃–S]^–		1		NIST
[CH3]+	[CH₃]⁺	2	9		NIST
[CH3]-	[CH₃]^–		12	Wikipedia	NIST
CH4	CH₄	14	32	Wikipedia	NIST
[CH5]+	[CH₅]⁺	2		Wikipedia	NIST
Chabazite	(Ca,K₂,Na₂)₂ [Al₂Si₄O₁₂]₂ .12H₂O			Wikipedia
Chalcanthite	CuSO₄.5H₂O			Wikipedia
Chalcedony	SiO₂			Wikipedia
Chalcocite	Cu₂S			Wikipedia
Chalcogen (generic)	Group VIa/16 Chalcogens			Wikipedia
Chalcopyrite	CuFeS₄		2	Wikipedia
Chalcosine	Cu₂S			Wikipedia
Chalybite	FeCO₃			Wikipedia
Chamber crystals	NOHSO₄	2	3		NIST
Charm quark	c		1	Wikipedia
(CHCl2CH2)n		1		Wikipedia	NIST
CHCl2CH2Cl	CHCl₂CH₂Cl	2	1	Wikipedia	NIST
CHCl3	CHCl₃	6	7	Wikipedia	NIST
(CHCN2CH2)n		1	1	Wikipedia	NIST
Chelate (AS/A2 generic)				Wikipedia
Chemical warfare agent (generic)	CW Agent			Wikipedia
(CHFCH2)n		1		Wikipedia	NIST
Chile saltpetre	NaNO₃			Wikipedia
Chinese silver	Chinese Silver			Wikipedia	NIST
Chitin	Chitin			Wikipedia
Chloanthite	Ni₂As₃
Chloral	CCl₃CHO		2	Wikipedia	NIST
Chloral hydrate		1		Wikipedia	NIST
Chloramine	H₂NCl	1	3	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
Chlorane	HCl	107	50	Wikipedia	NIST
Chlorargyrite	AgCl			Wikipedia
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
Chlorenium ion	Cl⁺		14		NIST
Chloric acid	HClO₃	2	1	Wikipedia	NIST
Chloride ion	Cl^–	65	75	Wikipedia	NIST
Chloride, 2° alkyl (generic)		2	1
Chloride, organic (generic)	RCl	4	7	Wikipedia
Chlorinated lime	Ca(OCl)₂ .2H₂O	1		Wikipedia	NIST
Chlorine	Cl₂	30	124	Wikipedia	NIST
Chlorine anion	Cl^–	65	75	Wikipedia	NIST
Chlorine cation	Cl⁺		14		NIST
Chlorine diiodide ion	[I₂Cl]^–	1			NIST
Chlorine dioxide	ClO₂	6	4	Wikipedia	NIST
Chlorine hydride	HCl	107	50	Wikipedia	NIST
Chlorine monofluoride	ClF	3	2	Wikipedia	NIST
Chlorine monoxide	Cl₂O	1	3	Wikipedia	NIST
Chlorine pentafluoride	ClF₅		1	Wikipedia	NIST
Chlorine perchlorate	Cl⁺ [ClO₄]^–	1			NIST
Chlorine peroxide	ClO₂	6	4	Wikipedia	NIST
Chlorine radical	Cl•	5	6		NIST
Chlorine tetrachloroaluminate	Cl⁺ / [AlCl₄]^–	1	1		NIST
Chlorine tetrafluoride ion	[ClF₄]^–				NIST
Chlorine trifluoride	ClF₃	2	7	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
di-µ-Chlorobis(1,5-cyclooctadiene) -dirhodium(I)		1			NIST
2-Chloro-1,3-butadiene		2	1	Wikipedia	NIST
7-Chloro-1,3-dihydro-1-methyl-5-phenyl-2H-1,4-benzodiazepin-2-one					NIST
3-Chloro-1-propene		1	3	Wikipedia	NIST
2-Chloro-10-(3-dimethylaminopropyl)-phenothiazine hydrochloride				Wikipedia	NIST
1-Chloro-2,2-dimethylpropane		1	2		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
2-Chloro-2-methylpropane		5	1		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
Chloroalkene (generic)		2	2
Chlorobenzene		5	3	Wikipedia	NIST
meta Chlorobenzoic acid		2			NIST
Chlorocyclohexane		1			NIST
trans 2-chlorocyclohexanol			1		NIST
Chlorodifluoromethane	HCClF₂	1	1	Wikipedia	NIST
Chloroethane	CH₃CH₂Cl	8	3	Wikipedia	NIST
Chloroethanoate ion	[ClCH₂COO]^–		1		NIST
2-Chloroethanol		1	2	Wikipedia	NIST
Chloroethene	H₂C=CHCl	3	4	Wikipedia	NIST
beta-Chloroethyl amine (generic)	R₂N–CH₂CH₂Cl	1
beta-Chloroethyl ether (generic)	R–O–CH₂CH₂Cl	1
beta-Chloroethyl thioether (generic)	R–S–CH₂CH₂Cl	1
((1R)-1-Chloroethyl)benzene			2		NIST
Chloroform	CHCl₃	6	7	Wikipedia	NIST
Chloroformyl chloride		2	6	Wikipedia	NIST
Chlorohydrin		1	2	Wikipedia	NIST
Chlorohydrin (generic)		1	1
Chlorohydrobis(triethylphosphine) platinium(II)		1			NIST
Chloromethane	CH₃Cl	8	4	Wikipedia	NIST
Chloromethyl radical		1	3		NIST
(Chloromethyl)benzene		1		Wikipedia	NIST
1-Chloro-2-methylpropane		1			NIST
Chloromycetin		1		Wikipedia	NIST
Chloronium ion	[ClH₂]⁺	1			NIST
Chloronium ion, alkyl (generic)	[R–ClH]⁺	2
meta Chloroperoxybenzoic acid			3	Wikipedia	NIST
1,1-bis(p-Chlorophenyl)-2,2,2-trichloroethane	DDT	1		Wikipedia	NIST
Chloropictin	CCl₃NO₂				NIST
Chloroprene		2	1	Wikipedia	NIST
2-Chloropropane		4	2		NIST
2-Chloropropanoic acid			1		NIST
Chlorosulfonic acid	HSO₃Cl	1	2	Wikipedia	NIST
Chlorosulfuric acid	HSO₃Cl	1	2	Wikipedia	NIST
Chlorotriphenylmethane	(C₆H₅)₃CCl	2	1		NIST
Chlorous acid	HClO₂	2		Wikipedia	NIST
Chlorous(III) acid	HClO₂	2		Wikipedia	NIST
Chlorous(I) acid	HClO	6	4	Wikipedia	NIST
Chlorpromazine				Wikipedia	NIST
(CHPh2CH2)n		1		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	Cr	5	3	Wikipedia	NIST
Chromium carbonyl	Cr(CO)₆			Wikipedia	NIST
Chromium family (generic)	Group VIb/6 Chronium Family			Wikipedia
Chromium group metal (generic)	Group VIb/6 Chronium Family			Wikipedia
Chromium trioxide	CrO₃	1	4	Wikipedia	NIST
Chromium(II) bromide	CrBr₂				NIST
Chromium(II) chloride	CrCl₂	1		Wikipedia	NIST
Chromium(II) fluoride	CrF₂				NIST
Chromium(II) hexaammonia ion	[Cr(NH₃)₆]²⁺	2			NIST
Chromium(II) hexahydrated ion	[Cr(H₂O)₆]²⁺	3			NIST
Chromium(II) iodide	CrI₂				NIST
Chromium(II) ion	Cr²⁺	2	3		NIST
Chromium(II) oxide	CrO			Wikipedia	NIST
Chromium(III) bromide	CrBr₃				NIST
Chromium(III) chloride	CrCl₃	1	1	Wikipedia	NIST
Chromium(III) dichlorotetraaqua ion	[CrCl₂(H₂O)₄]⁺	1	1		NIST
Chromium(III) fluoride	CrF₃			Wikipedia	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) iodide	CrI₃				NIST
Chromium(III) ion	Cr³⁺	11	5		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) bromide	CrBr₄				NIST
Chromium(IV) chloride	CrCl₄			Wikipedia	NIST
Chromium(IV) fluoride	CrF₄				NIST
Chromium(IV) iodide	CrI₄				NIST
Chromium(IV) oxide	CrO₂			Wikipedia	NIST
Chromium(V) fluoride	CrF₅				NIST
Chromium(VI) fluoride	CrF₆				NIST
Chromium(VI) ion	Cr⁶⁺		1		NIST
Chromium(VI) oxide	CrO₃	1	4	Wikipedia	NIST
Chrysene				Wikipedia	NIST
Chrysoberyl	BeAl₂O₄		1	Wikipedia
Cinnabar	HgS			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
cis-Diamminodichloroplatinum(II)	Pt(NH₃)₂Cl₂			Wikipedia	NIST
Cisplatin	Pt(NH₃)₂Cl₂			Wikipedia	NIST
Citrate (dihydrogen) ion		1	1		NIST
Citrate (hydrogen) ion		1	1		NIST
Citrate ion			1		NIST
Citrate synthase	Citrate Synthase		1	Wikipedia
Citric acid		2	1	Wikipedia	NIST
Cl•	Cl•	5	6		NIST
Cl(CH2)5Cl	Cl(CH₂)₅Cl		1		NIST
Cl(ClO4)	Cl⁺ [ClO₄]^–	1			NIST
Cl+	Cl⁺		14		NIST
Cl^-	Cl^–	65	75	Wikipedia	NIST
Cl2	Cl₂	30	124	Wikipedia	NIST
Cl2C=CCl2	Cl₂C=CCl₂	4		Wikipedia	NIST
Cl2O	Cl₂O	1	3	Wikipedia	NIST
Cl2O7	Cl₂O₇	1	1	Wikipedia	NIST
[Cl3]+	[Cl₃]⁺	1			NIST
Cl₂HC•	Cl₂HC•	1	1		NIST
Cl₃C•	Cl₃C•	1	2		NIST
ClCH2CH2CH2CH2CH2Cl	Cl(CH₂)₅Cl		1		NIST
ClCH2CH2OH		1	2	Wikipedia	NIST
ClCHO		1			NIST
ClCN	N≡C–Cl	1	4	Wikipedia	NIST
ClCOOCH3	ClCOOCH₃		1		NIST
ClF	ClF	3	2	Wikipedia	NIST
[ClF2]+	[ClF₂]⁺	2			NIST
ClF3	ClF₃	2	7	Wikipedia	NIST
[ClF4]-	[ClF₄]^–				NIST
ClF5	ClF₅		1	Wikipedia	NIST
ClI	I–Cl	2	4	Wikipedia	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
ClSSCl	Cl–S–S–Cl	2	5	Wikipedia	NIST
Cluster compound (generic)				Wikipedia
Cm	Cm			Wikipedia	NIST
Cn	Cn			Wikipedia	NIST
[CN]-	[CN]^–	5	27	Wikipedia	NIST
CO	CO	63	59	Wikipedia	NIST
Co	Co	4	2	Wikipedia	NIST
[Co(C2O4)3]4-	[Co(C₂O₄)₃]^4–	1			NIST
[Co(EDTA)]2-	[Co(EDTA)]^3–	2			NIST
[Co(en)3]2+	[Co(en)₃]²⁺	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(NH3)6]2+	[Co(NH₃)₆]²⁺	1	3		NIST
[Co(NH3)6]3+	[Co(NH₃)₆]³⁺	2			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
Co2+	Co²⁺	2	10		NIST
Co2O3	Co₂O₃			Wikipedia	NIST
Co2O3	Co₂O₃			Wikipedia	NIST
Co3+	Co³⁺		2		NIST
Co3O4	Co₃O₄				NIST
[CO3]2-	[CO₃]^2–	1	25	Wikipedia	NIST
Coal	Coal		4	Wikipedia
Coal gas	CO + H₂	1		Wikipedia	NIST
Coal tar	Coal Tar	1	7	Wikipedia	NIST
Cobalt	Co	4	2	Wikipedia	NIST
Cobalt black	Co₂O₃			Wikipedia	NIST
Cobalt bloom	Co₃(AsO₄)₂ .8H₂O		1	Wikipedia
Cobalt family (generic)	Group VIIIb/9 Cobalt Family			Wikipedia
Cobalt group metal (generic)	Group VIIIb/9 Cobalt Family			Wikipedia
Cobalt tetracarbonyl	Co₂(CO)₈	1	1		NIST
Cobalt(III) oxide	Co₂O₃			Wikipedia	NIST
Cobalt(I) pentahydro ion	[CoH₅]^4–		1		NIST
Cobalt(II) bromide	CoBr₂				NIST
Cobalt(II) carbonate	CoCO₃	1		Wikipedia	NIST
Cobalt(II) chloride	CoCl₂		1	Wikipedia	NIST
Cobalt(II) chloride hexahydrate	CoCl₂.6H₂O	1		Wikipedia	NIST
Cobalt(II) EDTA complex ion	[Co(EDTA)]^3–	2			NIST
Cobalt(II) fluoride	CoF₂	1		Wikipedia	NIST
Cobalt(II) hexaammino complex ion	[Co(NH₃)₆]²⁺	1	3		NIST
Cobalt(II) hexahydrated ion	[Co(H₂O)₆]²⁺	4	10		NIST
Cobalt(II) hydroxide	Co(OH)₂	1			NIST
Cobalt(II) iodide	CoI₂				NIST
Cobalt(II) ion	Co²⁺	2	10		NIST
Cobalt(II) oxide	CoO			Wikipedia	NIST
Cobalt(II) sulfate	CoSO₄	1			NIST
Cobalt(II) sulfide	CoS	1			NIST
Cobalt(II) tetraaquadihydroxy complex	Co(H₂O)₄(OH)₂ Co(OH)₂	3	1		NIST
Cobalt(II) tetrachloro ion	[CoCl₄]^2–	3	2		NIST
Cobalt(II) tris(ethanedioate) complex ion	[Co(C₂O₄)₃]^4–	1			NIST
Cobalt(II) tris(ethylenediamine) ion	[Co(en)₃]²⁺	2			NIST
Cobalt(II,III) oxide	Co₃O₄				NIST
Cobalt(III) chloride	CoCl₃				NIST
Cobalt(III) dichloro bis(ethylenediamine) complex ion	[CoCl₂(en)₂]⁺				NIST
Cobalt(III) fluoride	CoF₃		1	Wikipedia	NIST
Cobalt(III) hexaammino complex ion	[Co(NH₃)₆]³⁺	2			NIST
Cobalt(III) hydroxide	Co(OH)₃	1			NIST
Cobalt(III) ion	Co³⁺		2		NIST
Cobalt(III) oxide	Co₂O₃			Wikipedia	NIST
Cobalt(IV) oxide	CoO₂				NIST
Cobaltic fluoride	CoF₃		1	Wikipedia	NIST
Cobaltic oxide	Co₂O₃			Wikipedia	NIST
Cobaltic oxide	Co₂O₃			Wikipedia	NIST
Cobaltite	CoAsS		1	Wikipedia
Cobaltous fluoride	CoF₂	1		Wikipedia	NIST
CoBr2	CoBr₂				NIST
Cocaine				Wikipedia	NIST
(COCl)2				Wikipedia	NIST
COCl2		2	6	Wikipedia	NIST
CoCl2	CoCl₂		1	Wikipedia	NIST
[CoCl2(en)2]+	[CoCl₂(en)₂]⁺				NIST
CoCl2.6H2O	CoCl₂.6H₂O	1		Wikipedia	NIST
CoCl3	CoCl₃				NIST
[CoCl4]2-	[CoCl₄]^2–	3	2		NIST
CoCO3	CoCO₃	1		Wikipedia	NIST
Coconut oil	Coconut Oil		2	Wikipedia
Codeine				Wikipedia	NIST
Coenzyme A	CoA–SH	2	1	Wikipedia	NIST
CoF2	CoF₂	1		Wikipedia	NIST
CoF3	CoF₃		1	Wikipedia	NIST
[CoH5]4-	[CoH₅]^4–		1		NIST
CoI2	CoI₂				NIST
Coinage gold	Coinage Gold				NIST
Coinage metals (generic)	Group Ib/11 Copper Group			Wikipedia
Coinage nickel	Nickel Coinage				NIST
Coinage silver	Silver US Coinage				NIST
Coke	Coke	1	1	Wikipedia	NIST
Colemanite	Ca₂B₆O₁₁ .5H₂O			Wikipedia
2,4,6-Collidine			1		NIST
Colloid (generic)	Colloid			Wikipedia
Columbite	(Fe,Mn)Nb₂O₆			Wikipedia
Columbium	Nb			Wikipedia	NIST
Commercial bronze	Commercial Bronze			Wikipedia	NIST
Complex (AS/A2 generic)		5	2	Wikipedia
Complex anion Lewis base (generic)			6	Wikipedia
Complex ion (generic)	Complex Ion			Wikipedia
Complex salt (generic)	Molecular or Complex Salt
Composite material (generic)	Composite Material			Wikipedia
Condensed aromatic (generic)		1	1	Wikipedia
Condensing enzyme	Citrate Synthase		1	Wikipedia
Congeneric planar, anionic Lobe-HOMO Lewis base (generic)					NIST
CoO	CoO			Wikipedia	NIST
CoO2	CoO₂				NIST
(COOH)2		5	2	Wikipedia	NIST
Cooper's gold	Cooper's Gold				NIST
Copernicium	Cn			Wikipedia	NIST
Copper	Cu	11	10	Wikipedia	NIST
Copper carbonate hydroxide	CuCO₃. Cu(OH)₂			Wikipedia	NIST
Copper family (generic)	Group Ib/11 Copper Group			Wikipedia
Copper glance	Cu₂S			Wikipedia
Copper group metal (generic)	Group Ib/11 Copper Group			Wikipedia
Copper pyrites	CuFeS₄		2	Wikipedia
Copper, native	Cu _native			Wikipedia
Copper(I) bromide	CuBr	1	2	Wikipedia	NIST
Copper(I) chloride	CuCl	4	6	Wikipedia	NIST
Copper(I) cyanide	CuCN	2	1	Wikipedia	NIST
Copper(I) fluoride	CuF			Wikipedia	NIST
Copper(I) iodide	CuI	2		Wikipedia	NIST
Copper(I) ion	Cu⁺	5	10		NIST
Copper(I) oxide	Cu₂O	4	1	Wikipedia	NIST
Copper(I) sulfide	Cu₂S	1		Wikipedia	NIST
Copper(I) thiocyanate	CuSCN	1			NIST
Copper(II) bromide	CuBr₂			Wikipedia	NIST
Copper(II) carbonate	CuCO₃ ^(unknown)	2	1	Wikipedia	NIST
Copper(II) carbonate, basic	2CuCO₃. Cu(OH)₂			Wikipedia	NIST
Copper(II) chloride	CuCl₂	1	7	Wikipedia	NIST
Copper(II) EDTA complex ion	[Cu(EDTA)]^2–	2			NIST
Copper(II) fluoride	CuF₂			Wikipedia	NIST
Copper(II) hexahydrated ion	[Cu(H₂O)₆]²⁺	3	8		NIST
Copper(II) hydroxide	Cu(OH)₂	2	1	Wikipedia	NIST
Copper(II) ion	Cu²⁺	3	18		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) sulfide		1	1	Wikipedia	NIST
Copper(II) tetraaquadihydroxy complex	Cu(H₂O)₄(OH)₂ Cu(OH)₂	3	1		NIST
Copper(II) tetrachloro ion	[CuCl₄]^2–	4	1		NIST
Copper(II) tetrafluoroborate	Cu(BF₄)₂	1			NIST
Cordierite	(Mg,Fe)₂Al₄Si₅O₁₈			Wikipedia
Cordite	GELATINE DYNAMITE	1		Wikipedia
Corn oil	Corn Oil		1	Wikipedia
Corrosive sublimate	HgCl₂	2	1	Wikipedia	NIST
Corundum	Al₂O₃ ^Corundum			Wikipedia
Corundum	Al₂O₃			Wikipedia
COS	O=C=S	1		Wikipedia	NIST
CoS	CoS	1			NIST
CoSO4	CoSO₄	1			NIST
Cotunnite	PbCl₂	1		Wikipedia	NIST
Coumarin				Wikipedia	NIST
Coumaron				Wikipedia	NIST
Covelline	CuS			Wikipedia
Covellite	CuS			Wikipedia
Cp			6	Wikipedia	NIST
CR		1		Wikipedia	NIST
Cr	Cr	5	3	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(NH3)6]3+	[Cr(NH₃)₆]²⁺	2			NIST
Cr(OH)3	Cr(OH)₃				NIST
[Cr(OH)6]3-	[Cr(OH)₆]^3–	2	1		NIST
Cr2+	Cr²⁺	2	3		NIST
Cr2O3	Cr₂O₃	3	2	Wikipedia	NIST
[Cr2O7]2-	[Cr₂O₇]^2–	1	13	Wikipedia	NIST
Cr3+	Cr³⁺	11	5		NIST
Cr6+	Cr⁶⁺		1		NIST
Crack cocaine				Wikipedia	NIST
Crack gas	CO + 3H₂ ^{Crack Gas}	1		Wikipedia	NIST
CrBr2	CrBr₂				NIST
CrBr3	CrBr₃				NIST
CrBr4	CrBr₄				NIST
CrCl2	CrCl₂	1		Wikipedia	NIST
[CrCl2(H2O)4]+	[CrCl₂(H₂O)₄]⁺	1	1		NIST
CrCl3	CrCl₃	1	1	Wikipedia	NIST
CrCl4	CrCl₄			Wikipedia	NIST
Creosote	Absorbing Oil	1			NIST
CrF2	CrF₂				NIST
CrF3	CrF₃			Wikipedia	NIST
CrF4	CrF₄				NIST
CrF5	CrF₅				NIST
CrF6	CrF₆				NIST
CrI2	CrI₂				NIST
CrI3	CrI₃				NIST
CrI4	CrI₄				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
Crude oil	Crude Oil		13	Wikipedia
Cryolite	Na₃AlF₄			Wikipedia
Cryolite	Na₃AlF₆	3	2	Wikipedia	NIST
Cs	Cs	1	20	Wikipedia	NIST
Cs+	Cs⁺	7	21		NIST
CS2	CS₂	2	5	Wikipedia	NIST
Cs2C2	CsCâ‰¡CCs	2			NIST
Cs2CO3	Cs₂CO₃	1		Wikipedia	NIST
Cs2O	Cs₂O	2	1		NIST
Cs2O2	Cs₂O₂	2			NIST
Cs2S	Cs₂S	2	1		NIST
Cs2Se	Cs₂Se	2			NIST
Cs2Te	Cs₂Te	2			NIST
Cs3As	Cs₃As	2	1		NIST
Cs3P	Cs₃P	2			NIST
Cs3Sb	Cs₃Sb	2	1		NIST
CsBr	CsBr	2		Wikipedia	NIST
CsCl	CsCl	2		Wikipedia	NIST
CsF	CsF	2	3	Wikipedia	NIST
CsH	CsH	2	1		NIST
CsI	CsI	2		Wikipedia	NIST
CsNH2	CsNH₂	2			NIST
CsO2	CsO₂	2			NIST
CsOH	CsOH	7	2	Wikipedia	NIST
CsSH	CsSH	3			NIST
CsSO3	CaSO₃.x(H₂O)	2		Wikipedia	NIST
Cu	Cu	11	10	Wikipedia	NIST
Cu(BF4)2	Cu(BF₄)₂	1			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
Cu+	Cu⁺	5	10		NIST
Cu2+	Cu²⁺	3	18		NIST
Cu2O	Cu₂O	4	1	Wikipedia	NIST
Cu2S	Cu₂S	1		Wikipedia	NIST
CuBr	CuBr	1	2	Wikipedia	NIST
CuBr2	CuBr₂			Wikipedia	NIST
CuCl	CuCl	4	6	Wikipedia	NIST
CuCl2	CuCl₂	1	7	Wikipedia	NIST
[CuCl4]2-	[CuCl₄]^2–	4	1		NIST
[CuCl4]3-	[CuCl₄]^3–	2	1		NIST
CuCN	CuCN	2	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
CuF	CuF			Wikipedia	NIST
CuF2	CuF₂			Wikipedia	NIST
CuI	CuI	2		Wikipedia	NIST
Cumene		1	1	Wikipedia	NIST
Cumene hydroperoxide		1	1		NIST
Cumulene (generic)	R₂X=Y=Z			Wikipedia
CuO	CuO	4	4	Wikipedia	NIST
Cupric bromide	CuBr₂			Wikipedia	NIST
Cupric carbonate	CuCO₃ ^(unknown)	2	1	Wikipedia	NIST
Cupric carbonate, basic	CuCO₃. Cu(OH)₂			Wikipedia	NIST
Cupric chloride	CuCl₂	1	7	Wikipedia	NIST
Cupric fluoride	CuF₂			Wikipedia	NIST
Cupric hydroxide	Cu(OH)₂	2	1	Wikipedia	NIST
Cupric ion	Cu²⁺	3	18		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
Cupric sulfide		1	1	Wikipedia	NIST
Cupric tetrafluoroborate	Cu(BF₄)₂	1			NIST
Cuprite	Cu₂O		1	Wikipedia
Cuprous bromide	CuBr	1	2	Wikipedia	NIST
Cuprous chloride	CuCl	4	6	Wikipedia	NIST
Cuprous cyanide	CuCN	2	1	Wikipedia	NIST
Cuprous iodide	CuI	2		Wikipedia	NIST
Cuprous ion	Cu⁺	5	10		NIST
Cuprous oxide	Cu₂O	4	1	Wikipedia	NIST
Cuprous sulfide	Cu₂S	1		Wikipedia	NIST
Cuprous thiocyanate	CuSCN	1			NIST
Cuprum	Cu	11	10	Wikipedia	NIST
Curium	Cm			Wikipedia	NIST
CuS		1	1	Wikipedia	NIST
CuSCN	CuSCN	1			NIST
CuSO4	CuSO₄	2	4	Wikipedia	NIST
CuSO4	CuSO₄.5H₂O	1	2	Wikipedia	NIST
CuSO4.5H2O	CuSO₄.5H₂O	1	2	Wikipedia	NIST
Cyanamide	HN=C=NH	2	3	Wikipedia	NIST
Cyanamide ion	[N=C=N]^–			Wikipedia	NIST
Cyanamide, calcium salt	CaNCN	1	3	Wikipedia	NIST
Cyanate (generic)	R–O–C≡N	2		Wikipedia
Cyanate ion	[NCO]^–	3	4	Wikipedia	NIST
Cyanic acid	HNCO	1			NIST
Cyanide ion	[CN]^–	5	27	Wikipedia	NIST
Cyanide, organic (generic)	R–CN	5	11
E-2-Cyano-2-butene		1			NIST
Z-2-Cyano-2-butene		1			NIST
12-Cyano-9,10-dihydro-9,10-ethano-10a-azonaanthracene		1			NIST
4-Cyano-bicyclo[2.2.2]octa-2-ene		1			NIST
Cyanoacetate ion			1		NIST
Cyanoacetic acid		1			NIST
1-Cyanobutan-1-ol		1			NIST
Cyanogen	N≡C–C≡N	1	1	Wikipedia	NIST
Cyanogen azide	N≡C–N₃		1		NIST
Cyanogen bromide	N≡C–Br		1	Wikipedia	NIST
Cyanogen chloride	N≡C–Cl	1	4	Wikipedia	NIST
Cyanogen iodide	I–C≡N		1	Wikipedia	NIST
2-Cyanoguanidine		1	1	Wikipedia	NIST
Cyanohydrin (AS/A2 generic)		2		Wikipedia
Cyanohydrin, alkyl (generic)		2
Cyanohydrin, dialkyl (generic)		1
Cyanonitrene	N≡C–N	1			NIST
3-Cyanopropanoate		1			NIST
3-Cyanopyridine		1	2		NIST
Cyanuric amide		2	1	Wikipedia	NIST
Cyanuric chloride		1		Wikipedia	NIST
Cyanurotriamide		2	1	Wikipedia	NIST
Cyclic adenosine monophosphate	cAMP			Wikipedia	NIST
Cyclic AMP	cAMP			Wikipedia	NIST
Cyclic ester (generic)				Wikipedia
Cyclic GMP	cGTP			Wikipedia	NIST
Cycloalkane (generic)		1		Wikipedia
Cycloalkane synthon (generic)			1
Cyclobutane		2	1	Wikipedia	NIST
Cyclobutanide anion			1	Wikipedia	NIST
Cyclobutanone		1			NIST
Cyclobutene				Wikipedia	NIST
Cyclobutyl anion			1	Wikipedia	NIST
trans, trans, cis-1,5,9-Cyclododecatriene		1			NIST
Cycloheptane				Wikipedia	NIST
Cycloheptatriene		1	1	Wikipedia	NIST
Cycloheptatriene anion			1	Wikipedia	NIST
Cycloheptatriene anion (generic)
Cycloheptatriene chromium tricarbonyl		1			NIST
1,3-Cyclohexadien-5-yne		3	2	Wikipedia	NIST
1,3-Cyclohexadiene			1	Wikipedia	NIST
1,4-Cyclohexadiene			1	Wikipedia	NIST
2,5-Cyclohexadiene-1,4-dione		3	1	Wikipedia	NIST
Cyclohexane		5	7	Wikipedia	NIST
Cyclohexane carboxylic acid		1	1		NIST
Cyclohexanide anion			1	Wikipedia	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		3	8	Wikipedia	NIST
Cyclohexene oxide		2	1		NIST
Cyclohexene sulfide		1			NIST
Cyclohexene-3-ide anion			1	Wikipedia	NIST
3-Cyclohexene carboxaldehyde		1			NIST
2-Cyclohexenol		2			NIST
2-Cyclohexenone		4	2	Wikipedia	NIST
Cyclohexenyl anion			1	Wikipedia	NIST
((1-Cyclohexenyl)methylidene)propanedinitrile			1		NIST
Cyclohexyl anion			1	Wikipedia	NIST
Cyclohexyl isocyanide				Wikipedia	NIST
Cyclohexylamine		1		Wikipedia	NIST
Cyclohexylbenzene		1			NIST
Cyclohexylchloride		1			NIST
Cyclohexyl trimethyl ammonium ion			1		NIST
Cyclonite		1	3	Wikipedia	NIST
1,5-Cyclooctadiene		1	1	Wikipedia	NIST
Cyclooctatetrene dianion			1		NIST
Cyclooctatetrene dianion (generic)
Cyclopentadiene		3	3	Wikipedia	NIST
Cyclopentadiene dimer			1	Wikipedia	NIST
2,4-Cyclopentadienone			1		NIST
Cyclopentadienyl anion			6	Wikipedia	NIST
Cyclopentadienyl anion (generic)
Cyclopentadienyl sodium		1			NIST
Cyclopentane		2		Wikipedia	NIST
Cyclopentane carboxylate ion		1	1		NIST
Cyclopentane carboxylic acid		1			NIST
Cyclopentanide anion			2	Wikipedia	NIST
Cyclopentanol		2		Wikipedia	NIST
Cyclopentanone		2	2	Wikipedia	NIST
2-Cyclopentenol		2			NIST
2-Cyclopentenone			2		NIST
Cyclopentyl anion			2	Wikipedia	NIST
Cyclopropane		2		Wikipedia	NIST
Cyclopropane (generic)		3
Cyclopropane carboxylate ion			1		NIST
Cyclopropane carboxylic acid		1			NIST
Cyclopropane methanol					NIST
Cyclopropane synthon (generic)			1
Cyclopropanide anion			1	Wikipedia	NIST
Cyclopropene		1		Wikipedia	NIST
Cyclopropene-3-ide anion			1	Wikipedia	NIST
Cyclopropenyl anion			1	Wikipedia	NIST
alpha-Cyclopropyl cation			1		NIST
Cyclopropyl anion			1	Wikipedia	NIST
Cyclopropyl bromide			1		NIST
Cyclopropyl phenyl thioether		1			NIST
Cyclopropyl, methyl cation synthon (generic)		1
Cyclopropylbenzene		1			NIST
1-Cyclopropylethanone		1			NIST
Cyclopropylmethanium ion			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

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