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 1 to 100 of 200 compounds
2-(4-Nitrophenyl)imidazo(1,2-a)pyridine
CAS 3323-26-0C13H9N3O2
![7-Phenylpyrazolo[1,5-a]pyrimidine-3-carboxylic acid chemical structure, C13H9N3O2, CAS 874773-92-9](/s/QHXFPNPRUFSDOL-UHFFFAOYSA-N.svg)
7-Phenylpyrazolo[1,5-a]pyrimidine-3-carboxylic acid
CAS 874773-92-9C13H9N3O2
![2-(3-Nitrophenyl)imidazo[1,2-a]pyridine chemical structure, C13H9N3O2, CAS 34658-67-8](/s/SPUPFENARGKGHC-UHFFFAOYSA-N.svg)
2-(3-Nitrophenyl)imidazo[1,2-a]pyridine
CAS 34658-67-8C13H9N3O2
1H-Benzimidazole, 5-nitro-2-phenyl-
CAS 1571-85-3C13H9N3O2
5-Nitro-1-phenylbenzimidazole
CAS 15127-88-5C13H9N3O2
2-(2'-Nitrophenyl)benzimidazole
CAS 2208-58-4C13H9N3O2
2-(3-Pyridinyl)-1H-benzimidazole-6-carboxylic acid
CAS 312496-16-5C13H9N3O2
5-Nitro-3-phenyl-1H-indazole
CAS 293758-67-5C13H9N3O2
4,5-Dihydro-1H-pyrazolo(4',3':3,4)pyrido(2,1-a)isoindole-1,7(2H)-dione
CAS 66799-57-3C13H9N3O2
6-Nitro-2-phenyl-2H-indazole
CAS 61063-14-7C13H9N3O2
![3-Phenyl-[1,2,4]triazolo[4,3-a]pyridine-6-carboxylic acid chemical structure, C13H9N3O2, CAS 936074-66-7](/s/PSZVQTSHDZGTBX-UHFFFAOYSA-N.svg)
3-Phenyl-[1,2,4]triazolo[4,3-a]pyridine-6-carboxylic acid
CAS 936074-66-7C13H9N3O2
![3-(3-Nitrophenyl)imidazo[1,5-a]pyridine chemical structure, C13H9N3O2, CAS 304685-51-6](/s/JOTGZHHDHITSSG-UHFFFAOYSA-N.svg)
3-(3-Nitrophenyl)imidazo[1,5-a]pyridine
CAS 304685-51-6C13H9N3O2
6-(1H-1,3-Benzodiazol-1-yl)pyridine-3-carboxylic acid
CAS 400078-72-0C13H9N3O2
![5-Phenylpyrazolo[1,5-a]pyrimidine-7-carboxylic acid chemical structure, C13H9N3O2, CAS 1011355-77-3](/s/DMRXYZWKKFOYSM-UHFFFAOYSA-N.svg)
5-Phenylpyrazolo[1,5-a]pyrimidine-7-carboxylic acid
CAS 1011355-77-3C13H9N3O2
![2-(1,3-Benzodioxol-5-yl)imidazo[1,2-a]pyrimidine chemical structure, C13H9N3O2, CAS 866138-02-5](/s/SQORVQUIBGFWCS-UHFFFAOYSA-N.svg)
2-(1,3-Benzodioxol-5-yl)imidazo[1,2-a]pyrimidine
CAS 866138-02-5C13H9N3O2
4-(1H-1,2,3-Benzotriazol-1-yl)benzoic acid
CAS 314248-56-1C13H9N3O2
2-(Pyridin-3-yl)-1H-1,3-benzodiazole-4-carboxylic acid
CAS 124340-89-2C13H9N3O2
![1-[4-(2-Furyl)-2-pyrimidinyl]-1H-pyrrole-2-carbaldehyde chemical structure, C13H9N3O2, CAS 685109-20-0](/s/IOSXYJXHRLBSBR-UHFFFAOYSA-N.svg)
1-[4-(2-Furyl)-2-pyrimidinyl]-1H-pyrrole-2-carbaldehyde
CAS 685109-20-0C13H9N3O2
2-(4-Nitrophenyl)-1H-benzimidazole
CAS 729-13-5C13H9N3O2
1-Nitro-9-aminoacridine
CAS 21914-54-5C13H9N3O2
N-(6-Quinoxalinyl)-2-furamide
CAS 478079-11-7C13H9N3O2
![4-({5-[(Hydroxyimino)methyl]-2-pyridinyl}oxy)benzenecarbonitrile chemical structure, C13H9N3O2, CAS 338967-28-5](/s/ZQLAGKWPMNNNJV-CXUHLZMHSA-N.svg)
4-({5-[(Hydroxyimino)methyl]-2-pyridinyl}oxy)benzenecarbonitrile
CAS 338967-28-5C13H9N3O2
7-Phenylpyrazolo(1,5-a)pyrimidine-5-carboxylic acid
CAS 1782684-07-4C13H9N3O2
![2-(Pyridin-2-yl)-1H-benzo[d]imidazole-6-carboxylic acid chemical structure, C13H9N3O2, CAS 669070-64-8](/s/HCHZJVIOJPDFKA-UHFFFAOYSA-N.svg)
2-(Pyridin-2-yl)-1H-benzo[d]imidazole-6-carboxylic acid
CAS 669070-64-8C13H9N3O2
- 1-(Benzoyloxy)-1H-1,2,3-benzotriazole54769-36-7C13H9N3O2
- 2-(3-Nitrophenyl)benzimidazole15456-62-9C13H9N3O2
- 5-Nitro-2-phenylindazole161154-22-9C13H9N3O2
- 4-(1H-Imidazo[4,5-c]pyridin-2-yl)benzoic acid113296-37-0C13H9N3O2
- 6-(2-Benzimidazolyl)pyridine-2-carboxylic acid144493-38-9C13H9N3O2
- 3-(4-Nitrophenyl)imidazo[1,5-a]pyridine104202-16-6C13H9N3O2
- 1-(4-Nitrophenyl)-1H-benzimidazole22492-14-4C13H9N3O2
- 3-Nitro-4-(phenylamino)benzonitrile16588-23-1C13H9N3O2
- 1-(3-Nitrophenyl)-1H-benzo[d]imidazole25699-77-8C13H9N3O2
- 9-Amino-2-nitroacridine23045-35-4C13H9N3O2
- Quinoline, 6-nitro-5-(1H-pyrrol-1-yl)-88328-40-9C13H9N3O2
- 2-(1H-1,2,3-Benzotriazole-1-carbonyl)phenol347370-91-6C13H9N3O2
- 2-(Pyridin-4-yl)-1H-benzo[d]imidazole-6-carboxylic acid316833-32-6C13H9N3O2
- 2-Pyridin-4-yl-3H-benzoimidazole-4-carboxylic acid124340-93-8C13H9N3O2
- 1-Phenylbenzimidazole deriv. 82220495-79-4C13H9N3O2
- 6-(Pyridin-2-yl)imidazo[1,2-a]pyridine-2-carboxylic acid1167626-08-5C13H9N3O2
- 7-Phenylpyrazolo[1,5-a]pyrimidine-2-carboxylic acid886503-17-9C13H9N3O2
- 6-Nitro-1-phenyl-1H-indazole91178-59-5C13H9N3O2
- 2-(Pyridin-2-yl)-1H-benzimidazole-4-carboxylic acid124340-85-8C13H9N3O2
- 2-(3-Hydroxy-2-pyridinyl)-4(1H)-quinazolinone114824-90-7C13H9N3O2
- (2E)-1-(1H-1,2,3-Benzotriazol-1-yl)-3-(furan-2-yl)prop-2-en-1-one519054-08-1C13H9N3O2
- 2-Anilino-5-nitrobenzonitrile16588-03-7C13H9N3O2
- 6-Aminophenazine-1-carboxylic acid91804-63-6C13H9N3O2
- 2-(1H-Imidazol-1-yl)quinoline-4-carboxylic acid1097093-65-6C13H9N3O2
- 2-(2-Nitrophenyl)imidazo[1,2-a]pyridine126267-63-8C13H9N3O2
- 2-[(1H-Pyrrol-2-ylmethylene)amino]-1H-isoindole-1,3(2H)-dione303215-81-8C13H9N3O2
- 7-Amino-2-(1H-pyrrol-2-yl)-5,8-quinolinedione1432063-34-7C13H9N3O2
- 3-Nitro-9-acridinamine14252-03-0C13H9N3O2
- 4-[5-(Pyridin-3-yl)-1,2,4-oxadiazol-3-yl]phenol40678-80-6C13H9N3O2
- 1-Methyl(1)benzofuro(2',3':4,5)pyrrolo(1,2-d)(1,2,4)triazin-4(3H)-one85277-02-7C13H9N3O2
- 2-Hydroxy-3-phenyl-4H-pyrimido[1,2-a]pyrimidin-4-one1306739-05-8C13H9N3O2
- 4-Nitro-2-phenyl-1H-benzimidazole67152-21-0C13H9N3O2
- 2-(1H-1,3-Benzodiazol-1-yl)pyridine-3-carboxylic acid954569-88-1C13H9N3O2
- 3-Phenyl[1,2,4]triazolo[4,3-a]pyridine-8-carboxylic acid1082193-69-8C13H9N3O2
- 3-(5-Cyanopyridin-2-ylamino)benzoic acid1094668-69-5C13H9N3O2
- 2-(Pyrazin-2-ylmethyl)isoindoline-1,3-dione20584-30-9C13H9N3O2
- 3-(3-Phenyl-1,2,4-oxadiazol-5-yl)pyridin-2(1H)-one950265-32-4C13H9N3O2
- 6-Amino-3-(3-cyanophenyl)picolinic acid1258632-39-1C13H9N3O2
- 4-Oxo-2-phenyl-4,5-dihydropyrazolo[1,5-a]pyrazine-3-carbaldehyde1610377-19-9C13H9N3O2
- 3-(4-Nitrophenyl)imidazo[1,2-a]pyridine119690-43-6C13H9N3O2
- 1-(Naphthalen-1-yl)-1H-1,2,3-triazole-4-carboxylic acid113423-89-5C13H9N3O2
- 4-{1H-Pyrrolo[2,3-b]pyridin-5-yl}pyridine-2-carboxylic acid1784219-73-3C13H9N3O2
- 3-Phenyl-1H-pyrido[2,3-d]pyrimidine-2,4-dione61212-01-9C13H9N3O2
- 1-(3-Nitrophenyl)-1H-indazole52328-74-2C13H9N3O2
- 2-Phenylimidazo[1,2-A]pyrimidine-3-carboxylic acid123533-43-7C13H9N3O2
- Phenyl 3aH-benzotriazole-6-carboxylate84902-17-0C13H9N3O2
- 1-Pyridin-3-yl-1H-benzimidazole-5-carboxylic acid1040631-42-2C13H9N3O2
- 2-[(2H-1,3-Benzodioxol-5-yl)amino]pyridine-4-carbonitrile1021022-88-7C13H9N3O2
- 3-(Pyridin-4-yl)imidazo[1,5-a]pyridine-1-carboxylic acid1018557-11-3C13H9N3O2
- Phenyl (5-cyanopyridin-2-yl)carbamate862011-06-1C13H9N3O2
- Phenyl 6-cyanopyridin-3-ylcarbamate625119-99-5C13H9N3O2
- 3-(1H-Indazol-1-yl)pyridine-2-carboxylic acid1522271-92-6C13H9N3O2
- 1-Phenyl-1H-iMidazo[4,5-c]pyridine-4-carboxylic acid1078168-27-0C13H9N3O2
- 3-(Pyrid-2-yl)-5-(2-hydroxyphenyl)-1,2,4-oxadiazole327056-41-7C13H9N3O2
- (5-Amino-1,2,4-oxadiazol-3-yl)(naphthalen-2-yl)methanone60472-13-1C13H9N3O2
- 4-(1H-Imidazol-1-yl)quinoline-3-carboxylic acid777810-90-9C13H9N3O2
- 6-Nitro-2-phenylimidazo[1,2-a]pyridine4533-18-0C13H9N3O2
- Phenol, 3-[5-(3-pyridinyl)-1,2,4-oxadiazol-3-yl]-163299-10-3C13H9N3O2
- 4H-(1,2,4)Triazolo(3,4-c)(1,4)benzoxazine, 1-(2-furanyl)-93299-71-9C13H9N3O2
- 4-((3-Cyanopyridin-2-yl)oxy)benzamide1042780-58-4C13H9N3O2
- 6-Methoxycarbonyl-6'-cyano-2,2'-bipyridine1185316-34-0C13H9N3O2
- 4-Nitroacridin-9-amine23045-36-5C13H9N3O2
- 4-(Imidazo[1,2-b]pyridazin-6-yl)benzoic acid1084953-09-2C13H9N3O2
- 2-Phenyl-[1,2,4]triazolo[1,5-A]pyridine-6-carboxylic acid1368237-26-6C13H9N3O2
- 4H-Pyrazino(1,2-a)pyrimidin-4-one, 2-hydroxy-3-phenyl-18472-16-7C13H9N3O2
- 2-Phenoxypyrido[1,2-a][1,3,5]triazin-4-one5223-65-4C13H9N3O2
- 2-Azido-3-[(E)-prop-1-enyl]naphthalene-1,4-dione42244-91-7C13H9N3O2
- 1H-Indole, 4-nitro-2-(2-pyridinyl)-242794-69-0C13H9N3O2
- 7-Nitro-2-phenyl-2H-indazole61063-06-7C13H9N3O2
- 3-(Furan-2-yl)-4-oxo-6-phenyl-1,2,4lambda~5~-triazine207601-78-3C13H9N3O2
- 3-(Pyridin-2-yl)quinazoline-2,4(1H,3H)-dione1217-26-1C13H9N3O2
- 1-(Pyridin-2-yl)-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid808138-04-7C13H9N3O2
- 8-(4-Nitrophenyl)imidazo[1,2-a]pyridine104271-49-0C13H9N3O2
- 3-(Pyridin-3-yl)imidazo[1,5-a]pyridine-1-carboxylic acid1018253-71-8C13H9N3O2
- Benzoic acid, 4-(1,2,4-triazolo[4,3-a]pyridin-3-yl)-1018665-58-1C13H9N3O2
- 2-(1H-Pyrazol-1-yl)quinoline-4-carboxylic acid1152718-85-8C13H9N3O2
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-(4-Nitrophenyl)imidazo(1,2-a)pyridine, 7-Phenylpyrazolo[1,5-a]pyrimidine-3-carboxylic acid, 2-(3-Nitrophenyl)imidazo[1,2-a]pyridine. 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.