Molecular formula

C₁₂H₈ClN₃O₂

57 compounds have this formula on CompoundList.

Molar mass: 261.67g/mol
Monoisotopic mass: 261.0305Da
Atoms: 26
Elements: 5
Rings plus double bonds: 10

The formula C12H8ClN3O2 describes a molecule made of 12 carbon atoms, 8 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms and 2 oxygen atoms. It is written in Hill notation: carbon first, then hydrogen, then the other elements in alphabetical order. The formula tells you which atoms are present, not how they are connected, which is why several different chemicals can share it.

Elemental composition

C Carbon × 1255.08%
12.011 × 12 = 144.132 g/mol
H Hydrogen × 83.08%
1.008 × 8 = 8.064 g/mol
Cl Chlorine × 113.55%
35.45 × 1 = 35.450 g/mol
N Nitrogen × 316.06%
14.007 × 3 = 42.021 g/mol
O Oxygen × 212.23%
15.999 × 2 = 31.998 g/mol

Look up another formula

Compounds with the formula C12H8ClN3O2

Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.

Showing 1 to 57 of 57 compounds

Methyl 2-(3-chloroquinoxalin-2-yl)-2-cyanoacetate

CAS 10176-23-5C₁₂H₈ClN₃O₂

4-Chloro-1-(4-methoxyphenyl)-6-oxo-1,6-dihydro-3-pyridazinecarbonitrile

CAS 338395-88-3C₁₂H₈ClN₃O₂

4-Chloro-1-(3-methoxyphenyl)-6-oxo-1,6-dihydro-3-pyridazinecarbonitrile

CAS 306976-54-5C₁₂H₈ClN₃O₂

2-Chloro-N-(4-cyano-3-methyl-5-isoxazolyl)benzenecarboxamide

CAS 478033-15-7C₁₂H₈ClN₃O₂

4-(2-Chlorophenoxy)-3-methyl-[1,2]oxazolo[5,4-d]pyrimidine

CAS 672925-28-9C₁₂H₈ClN₃O₂

4-Chloro-9-methoxy-5H-pyrimido[5,4-b]indole-6-carbaldehyde

CAS 848061-61-0C₁₂H₈ClN₃O₂

4-Chloro-3-oxo-2-(4-oxo-3,4-dihydroquinazolin-2(1H)-ylidene)butanenitrile

CAS 302803-83-4C₁₂H₈ClN₃O₂

1-(2-Chlorobenzyl)-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carbonitrile

CAS 7153-61-9C₁₂H₈ClN₃O₂

2-((6-Chloro-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)methyl)benzonitrile

CAS 865758-95-8C₁₂H₈ClN₃O₂

1-(4-Chlorobenzyl)-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carbonitrile

CAS 338399-17-0C₁₂H₈ClN₃O₂

4-(5-Chloro-2H-benzotriazol-2YL)-1,3-benzenediol

CAS 57567-95-0C₁₂H₈ClN₃O₂

4(3H)-Quinazolinone, 7-chloro-3-(3-methyl-5-isoxazolyl)-

CAS 144485-79-0C₁₂H₈ClN₃O₂

4(3H)-Quinazolinone, 6-chloro-3-(3-methyl-5-isoxazolyl)-

CAS 144485-82-5C₁₂H₈ClN₃O₂

N-(4-Chlorophenyl)-3-cyano-5-methyl-1,2-oxazole-4-carboxamide

CAS 400083-75-2C₁₂H₈ClN₃O₂

Pyrazolo(3,4-d)(1,3)oxazin-4(1H)-one, 6-(2-chlorophenyl)-1-methyl-

CAS 138187-97-0C₁₂H₈ClN₃O₂

4H-1-Benzopyran-4-one, 6-chloro-2-(2-methyl-1H-1,2,3-triazol-4-yl)-

CAS 119584-89-3C₁₂H₈ClN₃O₂

[4-(4-Chlorophenyl)-2,3-dioxo-3,4-dihydropyrazin-1(2H)-yl]acetonitrile

CAS 1226456-14-9C₁₂H₈ClN₃O₂

(2-Chloro-pyridin-3-yl)-[1-(4-nitro-phenyl)-meth-(E)-ylidene]-amine

CAS 386275-22-5C₁₂H₈ClN₃O₂

nAChR modulator-1

CAS 1902218-84-1C₁₂H₈ClN₃O₂

4H-1-Benzopyran-4-one, 6-chloro-2-(1-methyl-1H-1,2,3-triazol-5-yl)-

CAS 119584-90-6C₁₂H₈ClN₃O₂

4H-1-Benzopyran-4-one, 6-chloro-2-(1-methyl-1H-1,2,3-triazol-4-yl)-

CAS 119584-91-7C₁₂H₈ClN₃O₂

N-(6-Chloro-1H-indazol-3-yl)furan-2-carboxamide

CAS 393121-86-3C₁₂H₈ClN₃O₂

3-Chloro-N-(4-cyano-3-methyl-1,2-oxazol-5-yl)benzamide

CAS 773139-84-7C₁₂H₈ClN₃O₂

Ethyl 4-chloro-6-cyano-1,5-naphthyridine-3-carboxylate

CAS 915977-05-8C₁₂H₈ClN₃O₂

Frequently asked questions

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What is the molar mass of C12H8ClN3O2?

The molar mass of C12H8ClN3O2 is 261.67 g/mol, calculated from standard atomic weights for 12 carbon atoms, 8 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 261.0305 Da.

How many compounds have the formula C12H8ClN3O2?

CompoundList lists 57 compounds with the molecular formula C12H8ClN3O2, including Methyl 2-(3-chloroquinoxalin-2-yl)-2-cyanoacetate, 4-Chloro-1-(4-methoxyphenyl)-6-oxo-1,6-dihydro-3-pyridazinecarbonitrile, 4-Chloro-1-(3-methoxyphenyl)-6-oxo-1,6-dihydro-3-pyridazinecarbonitrile. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.

What is the degree of unsaturation of C12H8ClN3O2?

C12H8ClN3O2 has a degree of unsaturation of 10. That is the total number of rings and pi bonds (a double bond counts as one, a triple bond as two) in any structure with this formula.