Molecular formula
C12H9N3O2
237 compounds have this formula on CompoundList.
- Molar mass
- 227.22g/mol
- Monoisotopic mass
- 227.0695Da
- Atoms
- 26
- Elements
- 4
- Rings plus double bonds
- 10
The formula C12H9N3O2 describes a molecule made of 12 carbon atoms, 9 hydrogen atoms, 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 × 1263.43%12.011 × 12 = 144.132 g/mol
- H Hydrogen × 93.99%1.008 × 9 = 9.072 g/mol
- N Nitrogen × 318.49%14.007 × 3 = 42.021 g/mol
- O Oxygen × 214.08%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C12H9N3O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 237 compounds
2-(4-Isocyanatophenoxy)-6-methylpyrazine
CAS 921938-98-9C12H9N3O2
![N-[Cyano(pyridin-3-yl)methyl]furan-2-carboxamide chemical structure, C12H9N3O2, CAS 1268059-60-4](/s/NKVYYZZBHCFAOU-UHFFFAOYSA-N.svg)
N-[Cyano(pyridin-3-yl)methyl]furan-2-carboxamide
CAS 1268059-60-4C12H9N3O2
![6-(1-Cyanocyclopropyl)imidazo[1,2-a]pyridine-2-carboxylic acid chemical structure, C12H9N3O2, CAS 2654760-79-7](/s/KPLMFGXFUKHKCN-UHFFFAOYSA-N.svg)
6-(1-Cyanocyclopropyl)imidazo[1,2-a]pyridine-2-carboxylic acid
CAS 2654760-79-7C12H9N3O2
![1-Phenyl-1,2-dihydro-3H-pyrazolo[4,3-c]pyridin-3-one 5-oxide chemical structure, C12H9N3O2, CAS 3268-67-5](/s/JAKFOFNZWBDIAY-UHFFFAOYSA-N.svg)
1-Phenyl-1,2-dihydro-3H-pyrazolo[4,3-c]pyridin-3-one 5-oxide
CAS 3268-67-5C12H9N3O2
![2-Pyridinamine, N-[(4-nitrophenyl)methylene]- chemical structure, C12H9N3O2, CAS 5918-77-4](/s/BFMMXVVVVKDLLR-UHFFFAOYSA-N.svg)
2-Pyridinamine, N-[(4-nitrophenyl)methylene]-
CAS 5918-77-4C12H9N3O2
11H-1,3-Dioxolo(4,5-h)imidazo(2,1-c)(1,4)benzodiazepine
CAS 98234-94-7C12H9N3O2
![2-[4-(2,2-Dicyanoethenyl)phenoxy]acetamide chemical structure, C12H9N3O2, CAS 662159-99-1](/s/XVIYBMWHSCJPDL-UHFFFAOYSA-N.svg)
2-[4-(2,2-Dicyanoethenyl)phenoxy]acetamide
CAS 662159-99-1C12H9N3O2
N-(2-Cyanophenyl)-5-methyl-1,2-oxazole-3-carboxamide
CAS 886627-15-2C12H9N3O2
![5-[2-(Hydroxyimino)ethyl]-3-phenyl-4-isoxazolecarbonitrile chemical structure, C12H9N3O2, CAS 477850-85-4](/s/SQVBDJBZCFCNMS-VGOFMYFVSA-N.svg)
5-[2-(Hydroxyimino)ethyl]-3-phenyl-4-isoxazolecarbonitrile
CAS 477850-85-4C12H9N3O2
2-(1-(4-Nitrophenyl)propylidene)malononitrile
CAS 605661-10-7C12H9N3O2
![3-Methyl-2-nitro-9H-pyrido[2,3-B]indole chemical structure, C12H9N3O2, CAS 186527-30-0](/s/YETURKHPVJNYTO-UHFFFAOYSA-N.svg)
3-Methyl-2-nitro-9H-pyrido[2,3-B]indole
CAS 186527-30-0C12H9N3O2
N-(3-Cyanophenyl)-5-methylisoxazole-3-carboxamide
CAS 930665-50-2C12H9N3O2
2-(2,3-Dioxo-4-phenyl-3,4-dihydropyrazin-1(2H)-yl)acetonitrile
CAS 1226445-08-4C12H9N3O2
![1-[(3-Cyanophenyl)methyl]-1H-pyrazole-4-carboxylic acid chemical structure, C12H9N3O2, CAS 1154939-53-3](/s/WURPHHSOWDTRLN-UHFFFAOYSA-N.svg)
1-[(3-Cyanophenyl)methyl]-1H-pyrazole-4-carboxylic acid
CAS 1154939-53-3C12H9N3O2
2-(2-Aminopyridin-3-yl)-1,3-benzoxazol-4-ol
CAS 1146951-22-5C12H9N3O2
Methyl 1-(2-cyanophenyl)-1H-imidazole-4-carboxylate
CAS 1035235-08-5C12H9N3O2
3-(4-Cyanophenyl)-1-methyl-1H-pyrazole-5-carboxylic acid
CAS 1415829-29-6C12H9N3O2
![N-{Pyrazolo[1,5-a]pyridin-5-yl}furan-2-carboxamide chemical structure, C12H9N3O2, CAS 2034266-24-3](/s/ALXMTLMZXFGLIY-UHFFFAOYSA-N.svg)
N-{Pyrazolo[1,5-a]pyridin-5-yl}furan-2-carboxamide
CAS 2034266-24-3C12H9N3O2
5-(4-Cyanophenyl)furan-2-carbohydrazide
CAS 1706444-52-1C12H9N3O2
![(2Z)-2-Cyano-3-[4-(cyanomethoxy)phenyl]prop-2-enamide chemical structure, C12H9N3O2, CAS 1798401-84-9](/s/LJXSTPNYBLTRMW-YFHOEESVSA-N.svg)
(2Z)-2-Cyano-3-[4-(cyanomethoxy)phenyl]prop-2-enamide
CAS 1798401-84-9C12H9N3O2
1-(Prop-2-yn-1-yl)-3-(pyridin-2-yl)-1H-pyrazole-4-carboxylic acid
CAS 2097984-58-0C12H9N3O2
1-(Prop-2-yn-1-yl)-3-(pyridin-3-yl)-1H-pyrazole-4-carboxylic acid
CAS 2098143-30-5C12H9N3O2
1-(Prop-2-yn-1-yl)-3-(pyridin-4-yl)-1H-pyrazole-4-carboxylic acid
CAS 2098088-56-1C12H9N3O2
![5-Methyl-3-[4-(1,3-oxazol-5-yl)phenyl]-1,2,4-oxadiazole chemical structure, C12H9N3O2, CAS 2197056-77-0](/s/KMAKCGXAFAQPKT-UHFFFAOYSA-N.svg)
5-Methyl-3-[4-(1,3-oxazol-5-yl)phenyl]-1,2,4-oxadiazole
CAS 2197056-77-0C12H9N3O2
- 6-Amino-8-methyl-2H-[1,3]dioxolo[4,5-g]quinoline-7-carbonitrile2138267-38-4C12H9N3O2
- 4-((1,2-Dihydro-1-methyl-2-oxo-4-pyrimidinyl)oxy)benzonitrile1160512-25-3C12H9N3O2
- 2-Phenyl-pyrazolo[1,5-A]pyrimidine-5,7-diol64947-24-6C12H9N3O2
- 6-Phenylpyrazolo[1,5-a]pyrimidine-5,7-diol754211-00-2C12H9N3O2
- 2-(1,2-Dihydro-3H-pyrazol-3-ylidene)-2H-indole-5-carboxylic acid827316-68-7C12H9N3O2
- 2-(1,2-Dihydro-3H-pyrazol-3-ylidene)-2H-indole-4-carboxylic acid827316-66-5C12H9N3O2
- 3H-Naphth(1,2-d)imidazole, 3-methyl-2-nitro-114661-68-6C12H9N3O2
- 1H-Naphth(1,2-d)imidazole, 1-methyl-2-nitro-114661-69-7C12H9N3O2
- N-[(4-Nitrophenyl)methylene]-3-pyridinamine13313-19-4C12H9N3O2
- 2-(4-Methoxyphenoxy)-5-pyrimidinecarbonitrile400086-00-2C12H9N3O2
- Pyrimidine, 5-nitro-2-styryl-54246-65-0C12H9N3O2
- Benzenamine, 3-nitro-N-(3-pyridinylmethylene)-13160-66-2C12H9N3O2
- 2-Azido-6,7-dimethylnaphthalene-1,4-dione58138-30-0C12H9N3O2
- 4-Oxo-4,5-dihydro-3H-pyrrolo[2,3-c]quinoline-1-carboxamide918474-13-2C12H9N3O2
- Methyl 1-(3-cyanophenyl)-1H-imidazole-5-carboxylate209959-88-6C12H9N3O2
- N-(4-Cyanophenyl)-5-methylisoxazole-4-carboxamide139442-44-7C12H9N3O2
- 1-Naphthalen-1-yl-1,2,4-triazolidine-3,5-dione13064-59-0C12H9N3O2
- 3-[3-(2-Furanyl)-1,2,4-oxadiazol-5-yl]benzenamine937655-08-8C12H9N3O2
- 3-Cyano-N-(5-methylisoxazol-3-yl)benzamide1016879-76-7C12H9N3O2
- 3-Cyano-N-(3-methyl-5-isoxazolyl)benzamide1016786-76-7C12H9N3O2
- 9-Methyl-6-nitro-9H-pyrido[3,4-B]indole801153-90-2C12H9N3O2
- 7-Phenyl-1H-pyrrolo[3,2-d]pyrimidine-2,4(3H,5H)-dione1255785-85-3C12H9N3O2
- N-(Cyanomethyl)-5-phenyl-1,2-oxazole-3-carboxamide1311929-66-4C12H9N3O2
- [3-(6-Quinolyl)-1,2,4-oxadiazol-5-yl]methanol1412423-81-4C12H9N3O2
- 3-(3-Cyanophenyl)-1-methyl-1H-pyrazole-5-carboxylic acid1415829-30-9C12H9N3O2
- 2-Methyl-8-nitro-1H-pyrrolo[3,2-f]quinoline72793-30-7C12H9N3O2
- 3-Phenylpyrazolo[1,5-a]pyrimidine-2,7(1H,4H)-dione1334487-59-0C12H9N3O2
- 2-Cyano-3-(3-cyano-4-methoxyphenyl)prop-2-enamide1436375-52-8C12H9N3O2
- 2,3-Dihydro-5-(2-methoxyphenyl)-3-oxo-4-pyridazinecarbonitrile1514842-17-1C12H9N3O2
- Methyl 3-cyano-4-(1H-pyrazol-4-yl)benzoate1860802-94-3C12H9N3O2
- 1-(2-Cyanobenzyl)-1H-imidazole-4-carboxylic acid1979902-20-9C12H9N3O2
- 1-(4-Cyanobenzyl)-1H-imidazole-4-carboxylic acid1979407-17-4C12H9N3O2
- 1-(3-Cyanobenzyl)-1H-imidazole-4-carboxylic acid1970466-34-2C12H9N3O2
- 1-(Prop-2-yn-1-yl)-3-(pyridin-2-yl)-1H-pyrazole-5-carboxylic acid2097964-38-8C12H9N3O2
- 1-(Prop-2-yn-1-yl)-3-(pyridin-3-yl)-1H-pyrazole-5-carboxylic acid2097964-71-9C12H9N3O2
- 1-(Prop-2-yn-1-yl)-3-(pyridin-4-yl)-1H-pyrazole-5-carboxylic acid2098065-19-9C12H9N3O2
- 1-(Cyanomethyl)-3-phenyl-1H-pyrazole-4-carboxylic acid2098088-54-9C12H9N3O2
- 6-Phenyl-1H-imidazo[1,2-b]pyrazole-7-carboxylic acid2098058-59-2C12H9N3O2
- 5-(2H-1,3-Benzodioxol-5-yl)-1-(prop-2-yn-1-yl)-1H-1,2,3-triazole2098098-18-9C12H9N3O2
- 3-(4-Methylphenyl)[1,2]oxazolo[5,4-d]pyrimidin-4(2H)-one117840-05-8C12H9N3O2
- 2-(1,2-Dihydro-3H-pyrazol-3-ylidene)-2H-indole-6-carboxylic acid827316-67-6C12H9N3O2
- N-[(4-Oxopyrido[1,2-a]pyrimidin-2-yl)methyl]prop-2-ynamide2305497-66-7C12H9N3O2
- 8-Methyl-1H-pyrimido[5,4-c]quinoline-2,4-dione359427-54-6C12H9N3O2
- 5-Cyano-2-methyl-6-oxo-1,6-dihydro-[3,4'-bipyridine] 1'-oxide156033-07-7C12H9N3O2
- 1-(3-Cyanophenyl)-3-methyl-1H-pyrazole-5-carboxylic acid209958-58-7C12H9N3O2
- Acetamide, N-(4-acetyl-2-cyanophenyl)-2-cyano-821009-96-5C12H9N3O2
- 3-Methyl-7-phenylisoxazolo[4,5-d]pyridazin-4(5H)-one129663-23-6C12H9N3O2
- 2-Methyl-6-nitro-1H-perimidine56314-46-6C12H9N3O2
- 7-Methyl-2-phenyl-5H-[1,3,4]oxadiazolo[3,2-a]pyrimidin-5-one23104-04-3C12H9N3O2
- Methyl 1-(3-cyanophenyl)-1H-imidazole-2-carboxylate209958-53-2C12H9N3O2
- 2-(4-Methoxyphenyl)-6-oxo-1,6-dihydropyrimidine-5-carbonitrile1334492-21-5C12H9N3O2
- 3-Cyano-5-methylcinnolin-4-yl acetate817209-78-2C12H9N3O2
- 9-Methyl-6-nitro-9H-pyrido[2,3-b]indole801988-25-0C12H9N3O2
- 9-Amino-2,3-dihydrobenzo[f]phthalazine-1,4-dione2890-10-0C12H9N3O2
- Methyl 1-(4-cyanophenyl)-1H-imidazole-2-carboxylate1538277-36-9C12H9N3O2
- 5-(2-Cyanophenyl)furan-2-carbohydrazide1706458-77-6C12H9N3O2
- 2,5-Dioxo-2',3'-dihydrospiro[imidazolidine-4,1'-indene]-4'-carbonitrile1889287-91-5C12H9N3O2
- N-(2-Cyano-8-hydroxy-5-quinolinyl)acetamide107022-61-7C12H9N3O2
- 12-Methoxy-1,7,9-triazatricyclo[8.4.0.03,8]tetradeca-3(8),4,6,9,11,13-hexaen-2-one1668555-84-7C12H9N3O2
- 3-Benzyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carbonitrile199331-94-7C12H9N3O2
- 1-(Indolizin-3-yl)-1H-pyrazole-3-carboxylic acid1422060-79-4C12H9N3O2
- 5-[3-(1H-Pyrazol-1-yl)prop-1-yn-1-yl]pyridine-3-carboxylic acid2098035-35-7C12H9N3O2
- 6-[3-(1H-Pyrazol-1-yl)prop-1-yn-1-yl]pyridine-3-carboxylic acid2098101-70-1C12H9N3O2
- 2-[3-(1H-Pyrazol-1-yl)prop-1-yn-1-yl]pyridine-4-carboxylic acid2097990-16-2C12H9N3O2
- 2-[3-(1H-Pyrazol-1-yl)prop-1-yn-1-yl]pyridine-3-carboxylic acid2098035-12-0C12H9N3O2
- 5-[3-(1H-Imidazol-1-yl)prop-1-yn-1-yl]pyridine-3-carboxylic acid2097989-48-3C12H9N3O2
- 6-[3-(1H-Imidazol-1-yl)prop-1-yn-1-yl]pyridine-3-carboxylic acid2098153-57-0C12H9N3O2
- 2-[3-(1H-Imidazol-1-yl)prop-1-yn-1-yl]pyridine-4-carboxylic acid2097968-53-9C12H9N3O2
- 2-[3-(1H-Imidazol-1-yl)prop-1-yn-1-yl]pyridine-3-carboxylic acid2098033-98-6C12H9N3O2
- 1-[4-(Cyanomethyl)phenyl]-1H-pyrazole-3-carboxylic acid2060008-45-7C12H9N3O2
- 3-(4-Cyano-1H-pyrazol-1-yl)benzoic acid methyl ester2121790-83-6C12H9N3O2
- 2-Hydroxy-5-(pyridin-4-yldiazenyl)benzaldehyde261715-07-5C12H9N3O2
- 5-(1-Oxonaphthalen-2(1H)-ylidene)-1,2,4-triazolidin-3-one62353-83-7C12H9N3O2
- N-(Cyanomethyl)-2-phenyl-1,3-oxazole-4-carboxamide2305267-27-8C12H9N3O2
- 2-Cyano-2-(2,3-dihydro-3-oxo-1H-isoindol-1-ylidene)-N-methylacetamide904667-47-6C12H9N3O2
- 5-(4-Formyl-1H-pyrazol-1-yl)-2-methoxybenzonitrile2364440-12-8C12H9N3O2
Frequently asked questions
What is the molar mass of C12H9N3O2?
The molar mass of C12H9N3O2 is 227.22 g/mol, calculated from standard atomic weights for 12 carbon atoms, 9 hydrogen atoms, 3 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 227.0695 Da.
How many compounds have the formula C12H9N3O2?
CompoundList lists 237 compounds with the molecular formula C12H9N3O2, including 2-(4-Isocyanatophenoxy)-6-methylpyrazine, N-[Cyano(pyridin-3-yl)methyl]furan-2-carboxamide, 6-(1-Cyanocyclopropyl)imidazo[1,2-a]pyridine-2-carboxylic acid. 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 C12H9N3O2?
C12H9N3O2 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.