Molecular formula
C12H9NO2
242 compounds have this formula on CompoundList.
- Molar mass
- 199.21g/mol
- Monoisotopic mass
- 208.1198Da
- Atoms
- 24
- Elements
- 4
- Rings plus double bonds
- 9
The formula C12H9NO2 describes a molecule made of 12 carbon atoms, 9 hydrogen atoms, 1 nitrogen atom 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 × 1272.35%12.011 × 12 = 144.132 g/mol
- H Hydrogen × 94.55%1.008 × 9 = 9.072 g/mol
- N Nitrogen × 17.03%14.007 × 1 = 14.007 g/mol
- O Oxygen × 216.06%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C12H9NO2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 242 compounds
Phenolindophenol
CAS 500-85-6C12H9NO2
Dictamnine
CAS 484-29-7C12H9NO2
4-Nitro-1,1'-biphenyl
CAS 92-93-3C12H9NO2
2-Nitrobiphenyl
CAS 86-00-0C12H9NO2
5-Nitroacenaphthene
CAS 602-87-9C12H9NO2
3-(Pyridin-4-yl)benzoic acid
CAS 4385-78-8C12H9NO2
4-Pyridin-3-yl-benzoic acid
CAS 4385-75-5C12H9NO2
3-(2-Quinolinyl)-2-propenoic acid
CAS 81124-50-7C12H9NO2
4-(Pyridin-4-yl)benzoic acid
CAS 4385-76-6C12H9NO2
1,1'-Biphenyl, 3-nitro-
CAS 2113-58-8C12H9NO2
3-(Pyridin-3-yl)benzoic acid
CAS 4385-77-7C12H9NO2
(2E)-3-(Quinolin-3-yl)prop-2-enoic acid
CAS 81124-51-8C12H9NO2
3-Phenylpyridine-2-carboxylic acid
CAS 103863-15-6C12H9NO2
5-Phenylpyridine-3-carboxylic acid
CAS 10177-12-5C12H9NO2
5-Phenylpyridine-2-carboxylic acid
CAS 75754-04-0C12H9NO2
![1-[(E)-2-Nitroethenyl]naphthalene chemical structure, C12H9NO2, CAS 37630-26-5](/s/HNRGHIXNKWOUEO-CMDGGOBGSA-N.svg)
1-[(E)-2-Nitroethenyl]naphthalene
CAS 37630-26-5C12H9NO2
N-(3-Butynyl)phthalimide
CAS 14396-90-8C12H9NO2
Phenyl 3-pyridinecarboxylate
CAS 3468-53-9C12H9NO2
2-Aziridin-1-YL-(1,4)naphthoquinone
CAS 2382-36-7C12H9NO2
6-Phenylpyridine-2-carboxylic Acid
CAS 39774-28-2C12H9NO2
3-(Pyridin-2-yl)benzoic acid
CAS 4467-07-6C12H9NO2
2-(Pyridin-3-yl)benzoic acid
CAS 134363-45-4C12H9NO2
6-Phenylnicotinic acid
CAS 29051-44-3C12H9NO2
2-Phenylnicotinic acid
CAS 33421-39-5C12H9NO2
- 1 suppliers2-Phenylisonicotinic acid55240-51-2C12H9NO2
- 1 suppliers2-(Pyridin-4-yl)benzoic acid133362-99-9C12H9NO2
- 4-Phenylnicotinic acid103863-14-5C12H9NO2
- 3 suppliers4-(2-Pyridyl)benzoic acid4385-62-0C12H9NO2
- 1 suppliers4-(Pyridin-3-yloxy)benzaldehyde87626-41-3C12H9NO2
- 4-Hydroxyphenyl 4-pyridyl ketone51246-77-6C12H9NO2
- 3-(Furan-2-yl)-1-(pyridin-3-yl)prop-2-en-1-one19575-04-3C12H9NO2
- 1 suppliers(2E)-3-(Quinolin-4-yl)prop-2-enoic acid81124-52-9C12H9NO2
- 1 suppliersAH 66966722-09-4C12H9NO2
- 1 suppliersPhenyl isonicotinate94-00-8C12H9NO2
- 1,2-Naphthalenedione, 4-(1-aziridinyl)-439-55-4C12H9NO2
- 3-(4-Hydroxybenzoyl)pyridine35926-15-9C12H9NO2
- N-(2-Butynyl)phthalimide113439-83-1C12H9NO2
- 5,7-Dimethyl-4-oxo-4H-chromene-3-carbonitrile286832-89-1C12H9NO2
- (1-Oxidopyridin-4-yl)(phenyl)methanone14178-29-1C12H9NO2
- 2-(2-Quinolyl)malondialdehyde40070-84-6C12H9NO2
- Isodictamnine484-74-2C12H9NO2
- (1-Oxido-2-pyridinyl)(phenyl)methanone4789-06-4C12H9NO2
- 3-Cyano-6-ethylchromone50743-19-6C12H9NO2
- 3-Cyano-6,7-dimethylchromone94978-86-6C12H9NO2
- Dibenzo[b,e][1,4]dioxin-2-amine30578-70-2C12H9NO2
- 2-(Pyridin-2-yl)benzoic acid13764-20-0C12H9NO2
- 2-(Prop-2-yn-1-yl)-1,2,3,4-tetrahydroisoquinoline-1,3-dione410538-30-6C12H9NO2
- 3-Cyano-6,8-dimethylchromone50743-40-3C12H9NO2
- 4-(1,3-Benzodioxol-5-yl)pyridine339333-77-6C12H9NO2
- Methyl 6-ethynyl-1H-indole-2-carboxylate2694721-91-8C12H9NO2
- 8-Quinolyl acrylate34493-87-3C12H9NO2
- 2,5-DI(2-Furyl)-1H-pyrrole150529-03-6C12H9NO2
- Methyl 3-ethynyl-1H-indole-5-carboxylate1779540-27-0C12H9NO2
- Naphthalene, 2-(2-nitrovinyl)-21461-46-1C12H9NO2
- 1-Furan-2-yl-3-pyridin-2-yl-propenone142227-78-9C12H9NO2
- 1-Nitroso-4-phenoxybenzene52671-42-8C12H9NO2
- 3-Nitroacenaphthene3807-77-0C12H9NO2
- 2-(Pyridin-2-yloxy)benzaldehyde141580-71-4C12H9NO2
- 1-Methylpyrano[3,4-b]indol-3(9H)-one35296-53-8C12H9NO2
- 1-(Hydroxymethyl)benzo[cd]indol-2(1H)-one114044-22-3C12H9NO2
- 1-(2-Furanyl)-3-(4-pyridyl)-2-propen-1-one41220-21-7C12H9NO2
- 3-(2-Furyl)-1-(2-pyridinyl)-2-propen-1-one18551-00-3C12H9NO2
- 1 suppliersAlpha-Cyano-5-phenyl-2,4-pentadienic acid24139-57-9C12H9NO2
- (4-Hydroxyphenyl)-2-pyridinylmethanone33077-70-2C12H9NO2
- 2-Anilinocyclohexa-2,5-diene-1,4-dione16085-14-6C12H9NO2
- Oxanthren-1-amine94514-49-5C12H9NO2
- 4-Oxo-1,2-dihydro-4H-pyrrolo[3,2,1-ij]quinoline-5-carbaldehyde386715-47-5C12H9NO2
- 4-(Pyridin-2-yloxy)benzaldehyde194017-69-1C12H9NO2
- 3-Cyano-4,6-dimethylcoumarin56394-28-6C12H9NO2
- 2-(But-3-YN-2-yl)isoindoline-1,3-dione14396-89-5C12H9NO2
- 4-Phenylpyridine-2-carboxylic acid52565-56-7C12H9NO2
- Nitroacenaphthene56286-55-6C12H9NO2
- 3-(Pyridin-2-yloxy)benzaldehyde137386-78-8C12H9NO2
- (2-Hydroxypyridin-3-yl)(phenyl)methanone27039-12-9C12H9NO2
- 6-Phenoxynicotinaldehyde173282-69-4C12H9NO2
- 3-Quinolin-8-ylacrylic acid754190-58-4C12H9NO2
- 3-Phenylpyridine-4-carboxylic acid104096-15-3C12H9NO2
- 6-Phenoxypyridine-2-carbaldehyde68523-22-8C12H9NO2
- 2-Hydroxy-5-(pyridin-4-yl)benzaldehyde342037-21-2C12H9NO2
- 2-Hydroxy-5-(pyridin-3-yl)benzaldehyde85633-41-6C12H9NO2
- Pyridin-2-yl benzoate5005-35-6C12H9NO2
- (2E)-3-(Quinolin-6-yl)prop-2-enoic acid754190-68-6C12H9NO2
- Pyridin-3-yl benzoate27039-14-1C12H9NO2
- 2-Methyl-5-phenyl-3-furyl isocyanate568577-82-2C12H9NO2
- 2-(Pyridin-3-yloxy)benzaldehyde887344-42-5C12H9NO2
- 1H-Naphth(2,1-b)(1,4)oxazin-2(3H)-one14847-35-9C12H9NO2
- 2-(Benzo[D][1,3]dioxol-5-yl)pyridine862743-22-4C12H9NO2
- 2-Pyridinecarboxylic acid, phenyl ester26838-86-8C12H9NO2
- N-(4-Vinylphenyl)maleimide19007-91-1C12H9NO2
- 5-Methyl-1-(2-propyn-1-yl)-1H-indole-2,3-dione63725-91-7C12H9NO2
- 3-(Isoquinolin-4-yl)prop-2-enoic acid2045277-02-7C12H9NO2
- 2-Phenylbenzo-1,4-quinone 4-oxime36697-36-6C12H9NO2
- 2,3-Dihydro-1H-pyrano[3,2-f]quinolin-1-one5252-47-1C12H9NO2
- 1H-Indole-2,3-dione, 7-methyl-1-(2-propynyl)-63725-92-8C12H9NO2
- 4-Oxo-1,2-dihydro-4H-pyrrolo[3,2,1-ij]quinoline-6-carbaldehyde889951-29-5C12H9NO2
- 9H-Carbazole-2,7-diol341033-42-9C12H9NO2
- 3-(3-Formylphenyl)-2-hydroxypyridine1261956-40-4C12H9NO2
- Trans-3-(isoquinolin-5-yl)acrylic acid87087-21-6C12H9NO2
- Pyridin-4-yl benzoate36228-61-2C12H9NO2
- 2-Phenoxynicotinaldehyde114077-93-9C12H9NO2
Frequently asked questions
What is the molar mass of C12H9NO2?
The molar mass of C12H9NO2 is 199.21 g/mol, calculated from standard atomic weights for 12 carbon atoms, 9 hydrogen atoms, 1 nitrogen atom and 2 oxygen atoms. The monoisotopic mass is 208.1198 Da.
How many compounds have the formula C12H9NO2?
CompoundList lists 242 compounds with the molecular formula C12H9NO2, including Phenolindophenol, Dictamnine, 4-Nitro-1,1'-biphenyl. 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 C12H9NO2?
C12H9NO2 has a degree of unsaturation of 9. 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.