Molecular formula
C13H9N3O2
200 compounds have this formula on CompoundList.
- Molar mass
- 239.23g/mol
- Monoisotopic mass
- 239.0695Da
- Atoms
- 27
- Elements
- 4
- Rings plus double bonds
- 11
The formula C13H9N3O2 describes a molecule made of 13 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 × 1365.27%12.011 × 13 = 156.143 g/mol
- H Hydrogen × 93.79%1.008 × 9 = 9.072 g/mol
- N Nitrogen × 317.56%14.007 × 3 = 42.021 g/mol
- O Oxygen × 213.38%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C13H9N3O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 200 compounds
2-Amino-5-(3-cyanophenyl)pyridine-4-carboxylic acid
CAS 1261905-60-5C13H9N3O2
2-Amino-5-(3-cyanophenyl)pyridine-3-carboxylic acid
CAS 1258612-96-2C13H9N3O2
2-Amino-5-(4-cyanophenyl)pyridine-4-carboxylic acid
CAS 1261904-44-2C13H9N3O2
2-Amino-5-(4-cyanophenyl)pyridine-3-carboxylic acid
CAS 1258617-82-1C13H9N3O2
![2-(2-Methylphenyl)-4H-pyrazino[2,3-d][1,3]oxazin-4-one chemical structure, C13H9N3O2, CAS 155513-82-9](/s/YCWSFKYJIXIYBA-UHFFFAOYSA-N.svg)
2-(2-Methylphenyl)-4H-pyrazino[2,3-d][1,3]oxazin-4-one
CAS 155513-82-9C13H9N3O2
![2-(Pyridin-3-yl)imidazo[1,2-a]pyridine-6-carboxylic acid chemical structure, C13H9N3O2, CAS 1270936-29-2](/s/OTOMLZLJGZGNTD-UHFFFAOYSA-N.svg)
2-(Pyridin-3-yl)imidazo[1,2-a]pyridine-6-carboxylic acid
CAS 1270936-29-2C13H9N3O2
![2-Phenyl-8H-pyrido[4,3-d]pyrimidine-5,7-dione chemical structure, C13H9N3O2, CAS 943749-72-2](/s/MZTKKWYWHHBWSP-UHFFFAOYSA-N.svg)
2-Phenyl-8H-pyrido[4,3-d]pyrimidine-5,7-dione
CAS 943749-72-2C13H9N3O2
![2-Phenylpyrazolo[1,5-b]pyridazine-3-carboxylic acid chemical structure, C13H9N3O2, CAS 781674-55-3](/s/LSXBWZKUWXWGNE-UHFFFAOYSA-N.svg)
2-Phenylpyrazolo[1,5-b]pyridazine-3-carboxylic acid
CAS 781674-55-3C13H9N3O2
![4-{1H-Pyrazolo[3,4-b]pyridin-1-yl}benzoic acid chemical structure, C13H9N3O2, CAS 1896920-53-8](/s/MISZMEPLLURCBZ-UHFFFAOYSA-N.svg)
4-{1H-Pyrazolo[3,4-b]pyridin-1-yl}benzoic acid
CAS 1896920-53-8C13H9N3O2
![4-(Pyrazolo[1,5-a]pyrimidin-3-yl)benzoic acid chemical structure, C13H9N3O2, CAS 1632251-25-2](/s/YKFGGSBNDIFFNT-UHFFFAOYSA-N.svg)
4-(Pyrazolo[1,5-a]pyrimidin-3-yl)benzoic acid
CAS 1632251-25-2C13H9N3O2
![4-[5-(3-Pyridinyl)-1,3,4-oxadiazol-2-yl]phenol chemical structure, C13H9N3O2, CAS 1033724-84-3](/s/IZIRJHSJWHADBN-UHFFFAOYSA-N.svg)
4-[5-(3-Pyridinyl)-1,3,4-oxadiazol-2-yl]phenol
CAS 1033724-84-3C13H9N3O2
![2-(4-Methylphenyl)-4H-pyrazino[2,3-d][1,3]oxazin-4-one chemical structure, C13H9N3O2, CAS 155513-81-8](/s/MXXYNSONPWDMOL-UHFFFAOYSA-N.svg)
2-(4-Methylphenyl)-4H-pyrazino[2,3-d][1,3]oxazin-4-one
CAS 155513-81-8C13H9N3O2
![3-Nitro-2-phenylimidazo[1,2-a]pyridine chemical structure, C13H9N3O2, CAS 67292-98-2](/s/HNJYHWJUVUZLMF-UHFFFAOYSA-N.svg)
3-Nitro-2-phenylimidazo[1,2-a]pyridine
CAS 67292-98-2C13H9N3O2
Phenyl 2-azidobenzoate
CAS 16714-22-0C13H9N3O2
1H-Indazole-5-carboxylic acid, 1-(2-pyridinyl)-
CAS 1256812-18-6C13H9N3O2
1-(Quinolin-6-yl)-1H-imidazole-4-carboxylic acid
CAS 549888-17-7C13H9N3O2
![2-[(3-Cyano-2-pyridinyl)oxy]benzamide chemical structure, C13H9N3O2, CAS 1016753-60-8](/s/MXWHQSFCXXMOBA-UHFFFAOYSA-N.svg)
2-[(3-Cyano-2-pyridinyl)oxy]benzamide
CAS 1016753-60-8C13H9N3O2
4-Nitro-1-phenyl-1H-indazole
CAS 913002-92-3C13H9N3O2
6-Amino-3-(4-cyanophenyl)picolinic acid
CAS 1258610-57-9C13H9N3O2
![3-(Imidazo[1,2-b]pyridazin-2-yl)benzoic acid chemical structure, C13H9N3O2, CAS 1149381-74-7](/s/BFICWRQBEHUQFU-UHFFFAOYSA-N.svg)
3-(Imidazo[1,2-b]pyridazin-2-yl)benzoic acid
CAS 1149381-74-7C13H9N3O2
4-Nitro-2-(pyridin-2-ylethynyl)aniline
CAS 952665-16-6C13H9N3O2
5-Nitro-2-(pyridin-2-yl)-1H-indole
CAS 906774-03-6C13H9N3O2
1-(Quinolin-2-yl)-1H-pyrazole-4-carboxylic Acid
CAS 1283521-83-4C13H9N3O2
6-Hydroxy-2-(quinolin-8-yl)pyrimidin-4(3H)-one
CAS 1378595-23-3C13H9N3O2
- 1-[1,2,3]Triazol-2-yl-naphthalene-2-carboxylic acid1293285-48-9C13H9N3O2
- 8-[1,2,3]Triazol-2-yl-naphthalene-1-carboxylic acid1293285-52-5C13H9N3O2
- 1-(Pyrimidin-2-yl)-1H-indole-3-carboxylic acid1119282-63-1C13H9N3O2
- 3-Nitro-5-phenyl-1H-pyrrolo[2,3-B]pyridine507462-27-3C13H9N3O2
- 2-(Pyridin-2-yl)-2H-[1,3]dioxolo[4,5-F]indazole1352305-23-7C13H9N3O2
- Methyl 3-(5-cyanopyrimidin-2-yl)benzoate1447606-87-2C13H9N3O2
- 5-(2-Nitrophenyl)-1H-benzo[d]imidazole1532536-57-4C13H9N3O2
- 6-{Imidazo[1,2-a]pyridin-2-yl}pyridine-2-carboxylic acid1706431-70-0C13H9N3O2
- 1-(Pyridin-3-yl)imidazo[1,5-a]pyridine-3-carboxylic acid2060027-79-2C13H9N3O2
- 5-Aminobenzo[c][2,6]naphthyridine-9-carboxylic acid2774613-72-6C13H9N3O2
- 5-Phenyl-[1,2,4]triazolo[1,5-a]pyridine-2-carboxylic acid2982654-76-0C13H9N3O2
- 1-Phenylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione51701-54-3C13H9N3O2
- 5(4H)-Oxazolone, 4-(1H-imidazol-4-ylmethylene)-2-phenyl-, (Z)-102913-27-9C13H9N3O2
- 2-Phenylimidazo[1,2-b]pyridazine-3-carboxylic acid126147-02-2C13H9N3O2
- 2-(2-Cyanoanilino)pyridine-3-carboxylic acid651046-26-3C13H9N3O2
- 5-Methoxycarbonyl-6'-cyano-2,2'-bipyridine1185309-07-2C13H9N3O2
- 4-Methoxycarbonyl-6'-cyano-2,2'-bipyridine1185313-69-2C13H9N3O2
- 6-Methoxycarbonyl-5'-cyano-2,2'-bipyridine1185318-47-1C13H9N3O2
- 5-Methoxycarbonyl-5'-cyano-2,2'-bipyridine1185306-17-5C13H9N3O2
- 4-Methoxycarbonyl-5'-cyano-2,2'-bipyridine1185318-72-2C13H9N3O2
- 2-Phenylimidazo[1,2-b]pyridazine-8-carboxylic acid1512113-30-2C13H9N3O2
- 1-(6-Isoquinolinyl)-1H-imidazole-4-carboxylic acid1105711-50-9C13H9N3O2
- 5-(3-Pyridinyloxy)-1H-indazole-3-carboxaldehyde882802-37-1C13H9N3O2
- 6-Nitro-4-phenyl-1H-benzo[d]imidazole913722-73-3C13H9N3O2
- 2-(Pyridin-3-yl)imidazo[1,2-a]pyridine-7-carboxylic acid1378744-40-1C13H9N3O2
- 6-Phenyl-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid932702-21-1C13H9N3O2
- 3-(1H-Indol-6-yl)-pyrazine-2-carboxylic acid1181573-20-5C13H9N3O2
- 1-Phenyl-1H-pyrazolo[3,4-c]pyridine-4-carboxylic acid2448414-10-4C13H9N3O2
- 4-{5-[2-(Furan-2-yl)ethenyl]-1,3,4-oxadiazol-2-yl}pyridine832129-03-0C13H9N3O2
- Methyl 4-(5-cyanopyrimidin-2-yl)benzoate1447606-88-3C13H9N3O2
- 2-(Pyridin-3-yl)imidazo[1,2-a]pyridine-3-carboxylic acid1267167-03-2C13H9N3O2
- 2-Phenylpyrazolo[1,5-a]pyrimidine-3-carboxylic acid1369092-13-6C13H9N3O2
- Pyrazolo[1,5-a]pyrimidine-3-carboxylic acid, 6-phenyl-1536575-60-6C13H9N3O2
- 2-(3-(2H-Chromen-3-yl)-1,2,4-oxadiazol-5-yl)acetonitrile1269533-55-2C13H9N3O2
- 6-(1H-Pyrrolo[2,3-C]pyridin-1-yl)nicotinic acid1841080-26-9C13H9N3O2
- 1-(Pyridin-4-yl)imidazo[1,5-a]pyridine-3-carboxylic acid2059949-26-5C13H9N3O2
- 2-[5-(3-Pyridinyl)-1,3,4-oxadiazol-2-yl]phenol163298-89-3C13H9N3O2
- 6-(1H-Pyrazol-3-yl)-4-quinolinecarboxylic acid2791477-43-3C13H9N3O2
- 3-(2-Pyrazinylamino)-2H-1-benzopyran-2-one109520-09-4C13H9N3O2
- 1-(4-Nitrophenyl)indazole16778-51-1C13H9N3O2
- 5-Nitro-1-phenyl-1H-indazole838821-02-6C13H9N3O2
- 7-Amino-6-phenyl-1H-pyrrolo[3,4-c]pyridine-1,3(2H)-dione62437-11-0C13H9N3O2
- N-Formyl-9H-pyrido[3,4-b]indole-3-carboxamide83910-11-6C13H9N3O2
- 2-Phenylimidazo[1,2-a]pyrazine-3-carboxylic acid144294-17-7C13H9N3O2
- 2-(4-Nitrophenyl)-2-pyridin-2-ylacetonitrile334932-89-7C13H9N3O2
- 5-Amino-2-(pyridin-4-yl)-2,3-dihydro-1H-isoindole-1,3-dione1042635-65-3C13H9N3O2
- 3-Pyridin-4-yl-1H-indazole-5-carboxylic acid1181286-48-5C13H9N3O2
- 3-[(6-Cyano-2-pyridinyl)amino]benzoic acid1378709-82-0C13H9N3O2
- 1-(Triazol-1-yl)naphthalene-2-carboxylic acid1293285-50-3C13H9N3O2
- 2-(Pyrimidin-5-ylmethyl)isoindoline-1,3-dione1279818-53-9C13H9N3O2
- Cyano[2-(naphthalen-1-yl)hydrazinylidene]acetic acid89314-26-1C13H9N3O2
- 5-Methyl-6-nitro-1,10-phenanthroline90691-99-9C13H9N3O2
- 3-(1-Hydroxypyridin-2(1H)-ylidene)cinnolin-4(3H)-one60928-32-7C13H9N3O2
- 3-Phenyl-3H-imidazo[4,5-B]pyridine-6-carboxylic acid1368763-74-9C13H9N3O2
- 5-(Quinolin-2-yl)-1H-pyrazole-3-carboxylic acid1784715-34-9C13H9N3O2
- 6-(3-Nitropyridin-2-yl)-1H-indole1319733-92-0C13H9N3O2
- 6-(3-Nitropyridin-4-yl)-1H-indole1562005-12-2C13H9N3O2
- 1-(1-Phenyl-1H-pyrazol-4-yl)-1H-pyrrole-2,5-dione1351392-58-9C13H9N3O2
- 3-Phenylpyrazolo[1,5-a]pyrimidine-5-carboxylic acid1785503-83-4C13H9N3O2
- 2-(Pyridin-3-yl)-2H-indazole-4-carboxylic acid2001277-98-9C13H9N3O2
- 5-Pyrazolo[1,5-a]pyridin-7-ylnicotinic acid2125568-33-2C13H9N3O2
- 5-(3-Cyano-4-methylphenyl)pyrimidine-2-carboxylic acid2137898-97-4C13H9N3O2
- 5-(2-Cyano-4-methylphenyl)pyrimidine-2-carboxylic acid2137745-12-9C13H9N3O2
- 5-(2-Cyano-3-methylphenyl)pyrimidine-2-carboxylic acid2137754-22-2C13H9N3O2
- 3-{Pyrazolo[1,5-a]pyrimidin-3-yl}benzoic acid2138425-20-2C13H9N3O2
- 2-{Pyrazolo[1,5-a]pyrimidin-3-yl}benzoic acid2138304-42-2C13H9N3O2
- 6-(1H-Indol-7-yl)pyridazine-3-carboxylic acid2172074-14-3C13H9N3O2
- 5-(2-Cyano-6-methylphenyl)pyrimidine-2-carboxylic acid2138337-90-1C13H9N3O2
- 2-(2,3-Dihydro-1,4-benzodioxin-6-yl)pyrimidine-4-carbonitrile2448474-01-7C13H9N3O2
- 7-(Pyrimidin-5-yl)-1H-indole-2-carboxylic acid3078559-76-6C13H9N3O2
- 4-Cyano-N-(2-oxo-1H-pyridin-3-yl)benzamide52334-64-2C13H9N3O2
- 4-((1H-Imidazol-1-yl)methylene)-2-phenyloxazol-5(4H)-one90330-20-4C13H9N3O2
- 1-(Naphthalen-1-yl)-1H-1,2,3-triazole-5-carboxylic acid1153903-71-9C13H9N3O2
- 1H-Pyrazolo[4,3-c]pyridine-6-carboxylic acid,1-phenyl-77763-13-4C13H9N3O2
- 6-Pyridin-3-ylimidazo[1,2-a]pyridine-8-carboxylic acid1611000-97-5C13H9N3O2
- 1-(Pyridin-2-yl)-1H-pyrrolo[3,2-b]pyridine-3-carboxylic acid2105951-90-2C13H9N3O2
Frequently asked questions
What is the molar mass of C13H9N3O2?
The molar mass of C13H9N3O2 is 239.23 g/mol, calculated from standard atomic weights for 13 carbon atoms, 9 hydrogen atoms, 3 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 239.0695 Da.
How many compounds have the formula C13H9N3O2?
CompoundList lists 200 compounds with the molecular formula C13H9N3O2, including 2-Amino-5-(3-cyanophenyl)pyridine-4-carboxylic acid, 2-Amino-5-(3-cyanophenyl)pyridine-3-carboxylic acid, 2-Amino-5-(4-cyanophenyl)pyridine-4-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 C13H9N3O2?
C13H9N3O2 has a degree of unsaturation of 11. 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.