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
Compounds with the formula C12H9N3O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 201 to 237 of 237 compounds
![8-Phenylpyrrolo[1,2-a][1,3,5]triazine-2,4(1H,3H)-dione chemical structure, C12H9N3O2, CAS 54449-31-9](/s/IGFBVOQAUCSMQY-UHFFFAOYSA-N.svg)
![5-Methyl-2-phenyl[1,3]oxazolo[5,4-d]pyrimidin-7(6H)-one chemical structure, C12H9N3O2, CAS 88584-15-0](/s/HKOSPKUDJAFFEG-UHFFFAOYSA-N.svg)
![1-Methyl[1,2,4]triazolo[4,3-a]quinoline-5-carboxylic acid chemical structure, C12H9N3O2, CAS 140455-61-4](/s/HCCGJJWQRHOHPF-UHFFFAOYSA-N.svg)
![1-[5-(2-Azidophenyl)furan-2-yl]ethan-1-one chemical structure, C12H9N3O2, CAS 62144-49-4](/s/LEIAUIULLPMFAO-UHFFFAOYSA-N.svg)
![2-Cyano-3-[4-(cyanomethoxy)phenyl]prop-2-enamide chemical structure, C12H9N3O2](/s/LJXSTPNYBLTRMW-UHFFFAOYSA-N.svg)
![4-Oxo-3-[2-(pyridin-2-yl)hydrazinylidene]cyclohexa-1,5-diene-1-carbaldehyde chemical structure, C12H9N3O2, CAS 94527-82-9](/s/FVJDRLGUMQJOAZ-UHFFFAOYSA-N.svg)
- 5-{1-Methyl-1H-pyrazolo[3,4-c]pyridin-4-yl}furan-2-carbaldehyde2444875-91-4C12H9N3O2
- (E)-3-(6-Cyanomethyl-1H-benzo[d]imidazol-4-yl)acrylic acid1807395-30-7C12H9N3O2
- (E)-3-(4-Cyanomethyl-1H-benzo[d]imidazol-7-yl)acrylic acid1807340-90-4C12H9N3O2
- 4-[(2,4-Dioxo-1H-pyrimidin-3-yl)methyl]benzonitrile872358-47-9C12H9N3O2
- 3-Phenylpyrrolo[1,2-a][1,3,5]triazine-2,4(1H,3H)-dione99532-82-8C12H9N3O2
- 2-(4H-Pyrazol-4-ylmethyl)isoindole-1,3-dione1183732-40-2C12H9N3O2
- 4-[3-(Hydroxymethyl)-4-oxopyridazin-1-yl]benzonitrile1314396-83-2C12H9N3O2
- 3-[3-(Hydroxymethyl)-4-oxopyridazin-1-yl]benzonitrile1314396-50-3C12H9N3O2
- 5-(1H-Pyrrol-1-yl)-2,3-dihydrophthalazine-1,4-dione1795300-02-5C12H9N3O2
- 2-(Benzo[d]oxazol-2-yl)-2-(oxazolidin-2-ylidene)acetonitrile82437-23-8C12H9N3O2
- 2-(4-Hydroxyphenyl)-3H,4H,7H-pyrrolo[2,3-d]pyrimidin-4-one1199942-97-6C12H9N3O2
- 2-(4-Cyanophenyl)-5-methyl-3H-imidazole-4-carboxylic acid2514967-24-7C12H9N3O2
- (E)-2-Cyano-3-[4-(cyanomethoxy)phenyl]prop-2-enamideC12H9N3O2
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 Methyl 1-(3-cyanophenyl)-1H-pyrazole-3-carboxylate, 8-Phenylpyrrolo[1,2-a][1,3,5]triazine-2,4(1H,3H)-dione, 5-Methyl-2-phenyl[1,3]oxazolo[5,4-d]pyrimidin-7(6H)-one. 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.