Molecular formula
C11H9N5O2
78 compounds have this formula on CompoundList.
- Molar mass
- 243.23g/mol
- Monoisotopic mass
- 246.0945Da
- Atoms
- 27
- Elements
- 4
- Rings plus double bonds
- 10
The formula C11H9N5O2 describes a molecule made of 11 carbon atoms, 9 hydrogen atoms, 5 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 × 1154.32%12.011 × 11 = 132.121 g/mol
- H Hydrogen × 93.73%1.008 × 9 = 9.072 g/mol
- N Nitrogen × 528.79%14.007 × 5 = 70.035 g/mol
- O Oxygen × 213.16%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C11H9N5O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 78 of 78 compounds
![2-[2-(1H-Tetrazol-5-yl)ethyl]-1H-isoindole-1,3(2H)-dione chemical structure, C11H9N5O2, CAS 412314-56-8](/s/DEOJDUHRJBKATO-UHFFFAOYSA-N.svg)
2-[2-(1H-Tetrazol-5-yl)ethyl]-1H-isoindole-1,3(2H)-dione
CAS 412314-56-8C11H9N5O2
N2-(4-hydroxyphenyl)guanine
CAS 123994-75-2C11H9N5O2
![N-(5-Methyl-3-isoxazolyl)pyrazolo[1,5-a]pyrimidine-3-carboxamide chemical structure, C11H9N5O2, CAS 310448-40-9](/s/PTZLZRVMYVUCNL-UHFFFAOYSA-N.svg)
N-(5-Methyl-3-isoxazolyl)pyrazolo[1,5-a]pyrimidine-3-carboxamide
CAS 310448-40-9C11H9N5O2
6-Oxo-N'-((1E)-(pyridin-2-yl)methylidene)-1,6-dihydropyridazine-3-carbohydrazide
CAS 332040-97-8C11H9N5O2
1-(5-Methyl-4-nitro-1H-pyrazol-3-yl)benzimidazole
CAS 304875-20-5C11H9N5O2
![7-Phenyl-4,7-dihydro-tetrazolo[1,5-a]pyrimidine-5-carboxylic acid chemical structure, C11H9N5O2, CAS 515824-22-3](/s/ZGTZWBRETITZCM-UHFFFAOYSA-N.svg)
7-Phenyl-4,7-dihydro-tetrazolo[1,5-a]pyrimidine-5-carboxylic acid
CAS 515824-22-3C11H9N5O2
![8-Amino-7-methyl-1H-benzo[g]pteridine-2,4-dione chemical structure, C11H9N5O2, CAS 4773-27-7](/s/PYQIUKUGUHARRB-UHFFFAOYSA-N.svg)
8-Amino-7-methyl-1H-benzo[g]pteridine-2,4-dione
CAS 4773-27-7C11H9N5O2
![2-[(5-Amino-1H-1,2,4-triazol-3-yl)methyl]-1H-isoindole-1,3(2H)-dione chemical structure, C11H9N5O2, CAS 21733-07-3](/s/XUZOXROUZQICEP-UHFFFAOYSA-N.svg)
2-[(5-Amino-1H-1,2,4-triazol-3-yl)methyl]-1H-isoindole-1,3(2H)-dione
CAS 21733-07-3C11H9N5O2
![2-(1-Methyl-4-nitro-1H-pyrazol-3-yl)-1H-benzo[d]imidazole chemical structure, C11H9N5O2, CAS 1005588-05-5](/s/DIRQEWXMQUFGGS-UHFFFAOYSA-N.svg)
2-(1-Methyl-4-nitro-1H-pyrazol-3-yl)-1H-benzo[d]imidazole
CAS 1005588-05-5C11H9N5O2
![3-(4-Methoxyphenyl)-3,6-dihydro-7H-[1,2,3]triazolo[4,5-d]pyrimidin-7-one chemical structure, C11H9N5O2, CAS 163977-51-3](/s/OARFFEMMPMCGTC-UHFFFAOYSA-N.svg)
3-(4-Methoxyphenyl)-3,6-dihydro-7H-[1,2,3]triazolo[4,5-d]pyrimidin-7-one
CAS 163977-51-3C11H9N5O2
3-(1,2-Dihydro-5H-tetrazol-5-ylidene)-7-methoxyquinolin-4(3H)-one
CAS 61338-56-5C11H9N5O2
N-(2-Methyl-2H-tetrazol-5-yl)-1-benzofuran-2-carboxamide
CAS 577980-81-5C11H9N5O2
Methyl 3-(1H-tetrazol-1-yl)-1H-indole-2-carboxylate
CAS 890092-21-4C11H9N5O2
![2-(3-(1H-Imidazol-2-yl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acid chemical structure, C11H9N5O2, CAS 1010073-83-2](/s/SZTGIUUWDXDISI-UHFFFAOYSA-N.svg)
2-(3-(1H-Imidazol-2-yl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acid
CAS 1010073-83-2C11H9N5O2
2,6-Dimethyl-3,5-di(1,3,4-oxadiazol-2-yl)pyridine
CAS 379725-90-3C11H9N5O2
5-Amino-3-methyl-1-(3-nitrophenyl)-1H-pyrazole-4-carbonitrile
CAS 107842-58-0C11H9N5O2
5-(5-Methyl-2-phenyl-2H-1,2,3-triazol-4-yl)-1,3,4-oxadiazol-2(3H)-one
CAS 1215503-95-9C11H9N5O2
![3,8-Dimethyl-2-nitro-3H-imidazo[4,5-F]quinoxaline chemical structure, C11H9N5O2, CAS 115044-40-1](/s/QJUZXQZNGRZGAG-UHFFFAOYSA-N.svg)
3,8-Dimethyl-2-nitro-3H-imidazo[4,5-F]quinoxaline
CAS 115044-40-1C11H9N5O2
![3-(3-Methoxyphenyl)-3,6-dihydro-7H-[1,2,3]triazolo[4,5-d]pyrimidin-7-one chemical structure, C11H9N5O2, CAS 1082528-78-6](/s/VJBGYCLCVSVKLE-UHFFFAOYSA-N.svg)
3-(3-Methoxyphenyl)-3,6-dihydro-7H-[1,2,3]triazolo[4,5-d]pyrimidin-7-one
CAS 1082528-78-6C11H9N5O2
5-Amino-3-methyl-1-(4-nitrophenyl)-1H-pyrazole-4-carbonitrile
CAS 76982-31-5C11H9N5O2
![3-(2-Methoxyphenyl)-3H,6H,7H-[1,2,3]triazolo[4,5-d]pyrimidin-7-one chemical structure, C11H9N5O2, CAS 1031606-56-0](/s/GXTFOEBNFSUQEN-UHFFFAOYSA-N.svg)
3-(2-Methoxyphenyl)-3H,6H,7H-[1,2,3]triazolo[4,5-d]pyrimidin-7-one
CAS 1031606-56-0C11H9N5O2
![4-Amino-2-methyl-[1,2,4]triazino[3,2-b]quinazoline-3,10-dione chemical structure, C11H9N5O2, CAS 89988-40-9](/s/XSKRQLWWPAIQSY-UHFFFAOYSA-N.svg)
4-Amino-2-methyl-[1,2,4]triazino[3,2-b]quinazoline-3,10-dione
CAS 89988-40-9C11H9N5O2
2-((1-Methyl-1H-tetrazol-5-yl)methyl)isoindoline-1,3-dione
CAS 131052-35-2C11H9N5O2
![5-(1-Methyl-1H-pyrazol-4-yl)pyrazolo[1,5-a]pyrimidine-7-carboxylic acid chemical structure, C11H9N5O2, CAS 1443278-80-5](/s/SHCOIQZLPRWPSS-UHFFFAOYSA-N.svg)
5-(1-Methyl-1H-pyrazol-4-yl)pyrazolo[1,5-a]pyrimidine-7-carboxylic acid
CAS 1443278-80-5C11H9N5O2
- 5-Nitro-N-[(E)-pyridin-2-ylmethylideneamino]pyridin-2-amine16391-79-0C11H9N5O2
- 4-Hydroxy-3-imino-6-(6-methoxypyridin-3-yl)-3,4-dihydropyrazine-2-carbonitrile851087-06-4C11H9N5O2
- Ethyl 5-cyano-1-(pyrimidin-2-yl)-1H-pyrazole-4-carboxylate1269292-77-4C11H9N5O2
- 1-(Imidazo[1,2-a]pyridin-2-ylmethyl)-1H-1,2,3-triazole-4-carboxylic acid1270818-48-8C11H9N5O2
- 2-[1-(2H-Tetrazol-5-yl)ethyl]isoindole-1,3-dione57355-10-9C11H9N5O2
- 5-Amino-1-methyl-3-(4-nitrophenyl)-1H-pyrazole-4-carbonitrile594983-83-2C11H9N5O2
- 5-(1-Methyl-1H-pyrazol-3-yl)pyrazolo[1,5-a]pyrimidine-7-carboxylic acid1443279-45-5C11H9N5O2
- 5-(1-Methyl-1H-pyrazol-5-yl)pyrazolo[1,5-a]pyrimidine-7-carboxylic acid1443278-87-2C11H9N5O2
- 2-Amino-9-(4-hydroxyphenyl)-1H-purin-6-one21318-85-4C11H9N5O2
- 3-(1,2-Dihydro-5H-tetrazol-5-ylidene)-8-methoxyquinolin-4(3H)-one61338-51-0C11H9N5O2
- N-(1-Cyanocyclopropyl)-2-oxo-1,3-dihydroimidazo[4,5-b]pyridine-6-carboxamide2418713-01-4C11H9N5O2
- 8-Amino-9-methylbenzo[g]pteridine-2,4(1H,3H)-dione846576-24-7C11H9N5O2
- 7-(Benzyloxy)[1,2,5]oxadiazolo[3,4-d]pyrimidin-5-amine90180-92-0C11H9N5O2
- Ethyl tetrazolo[1,5-a]quinoxaline-4-carboxylate61148-31-0C11H9N5O2
- N-(6-Oxopyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-7(6H)-yl)acetamide1208843-51-9C11H9N5O2
- 1-(2-Methylpyrazolo[1,5-a]pyrazin-4-yl)-1H-imidazole-4-carboxylic acid1713639-96-3C11H9N5O2
- 1-(2-Methylpyrazolo[1,5-a]pyrazin-4-yl)-1H-pyrazole-3-carboxylic acid1710674-95-5C11H9N5O2
- 8-(3-Cyclopropyl-[1,2,4]oxadiazol-5-yl)-2H-[1,2,4]triazolo[4,3-a]pyridin-3-one1554257-40-7C11H9N5O2
- 3-Methyl-6-[(3-nitro-1H-pyrazol-1-yl)methyl]-2-pyridinecarbonitrile1838654-90-2C11H9N5O2
- 5-(1-Methyl-1H-pyrazol-4-yl)-[1,2,4]triazolo[1,5-a]pyridine-2-carboxylic acid2060593-60-2C11H9N5O2
- 4-(6-Imino-7H-purin-3-yl)benzene-1,2-diol452094-30-3C11H9N5O2
- 6-(1,2-Dinitrosoethenyl)-2-(pyridin-2(1H)-ylidene)-1,2-dihydropyrimidine62846-79-1C11H9N5O2
- 2-[1,2-Dinitroso-2-(pyridin-2-yl)ethenyl]-1,4-dihydropyrazine62846-77-9C11H9N5O2
- 2-(1-Methyl-1H-1,2,3-triazol-5-yl)-1H-1,3-benzodiazole-5-carboxylic acid2411286-56-9C11H9N5O2
- 2-Methyl-N-(1,2-oxazol-3-yl)imidazo[1,2-b]pyridazine-6-carboxamide2640881-90-7C11H9N5O2
- 1-({Imidazo[1,2-a]pyridin-2-yl}methyl)-3-nitro-1H-pyrazole2703774-84-7C11H9N5O2
- 3,10-Dimethylpyrido[4,3-g]pteridine-2,4(3H,10H)-dione86927-00-6C11H9N5O2
- 3,8-Dimethyl-2-nitro-3H-imidazo[4,5-F]quinoxaline-d31216912-20-7C11H9N5O2
- 6-(3-(Pyridin-3-yl)-1,2,4-oxadiazol-5-yl)-4,5-dihydropyridazin-3(2H)-one1261001-68-6C11H9N5O2
- 3-(6-Cyano-8,9-dimethyl-9H-purin-2-yl)prop-2-enoic acid117954-85-5C11H9N5O2
- 5-[(E)-(4-Nitrophenyl)diazenyl]pyridin-2-amine140116-12-7C11H9N5O2
- 1-(5-Phenyl-1H-1,2,4-triazol-3-yl)pyrazolidine-3,5-dione63011-84-7C11H9N5O2
- 2-[3-(4-Nitrophenyl)triaz-1-en-1-yl]pyridine86108-00-1C11H9N5O2
- 6-(1-Methyl-1H-pyrazol-4-yl)-5-nitro-1H-indazole1351813-05-2C11H9N5O2
- 6-(3-(Pyridin-2-yl)-1,2,4-oxadiazol-5-yl)-4,5-dihydropyridazin-3(2H)-one1710195-02-0C11H9N5O2
- 7-(3-Cyclopropyl-1,2,4-oxadiazol-5-yl)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one1707668-10-7C11H9N5O2
- N-(5-Methyl-1,2-oxazol-3-yl)imidazo[1,2-b]pyridazine-6-carboxamide2415601-48-6C11H9N5O2
- 4-Amino-1-methyl-pyrazolo[4,3-c][1,7]naphthyridine-8-carboxylic acid2774613-79-3C11H9N5O2
- 4-Amino-3-methyl-1H-pyrazolo[4,3-c][1,7]naphthyridine-8-carboxylic acid2790570-03-3C11H9N5O2
- 7-(1-Methyl-1H-pyrazol-5-yl)pyrazolo[1,5-a]pyrimidine-6-carboxylic acid2138169-14-7C11H9N5O2
- 3-{Imidazo[1,2-a]pyrazin-3-yl}-1-methyl-1H-pyrazole-5-carboxylic acid2228267-40-9C11H9N5O2
- 5-{Imidazo[1,2-a]pyrazin-3-yl}-1-methyl-1H-pyrazole-4-carboxylic acid2229318-00-5C11H9N5O2
- 1-Methyl-3-{pyrazolo[1,5-a]pyrimidin-2-yl}-1H-pyrazole-5-carboxylic acid2228952-57-4C11H9N5O2
- 1-Methyl-5-{pyrazolo[1,5-a]pyrimidin-6-yl}-1H-pyrazole-4-carboxylic acid2228918-41-8C11H9N5O2
- 1-Methyl-5-{pyrazolo[1,5-a]pyrimidin-2-yl}-1H-pyrazole-4-carboxylic acid2228447-41-2C11H9N5O2
- 1-Methyl-3-{pyrazolo[1,5-a]pyrimidin-6-yl}-1H-pyrazole-5-carboxylic acid2228934-67-4C11H9N5O2
- Benzyl N-(3-cyano-1H-1,2,4-triazol-5-yl)carbamate2680811-06-5C11H9N5O2
- 2-(1-Methyl-1H-pyrazol-5-yl)imidazo[1,2-a]pyrazine-3-carboxylic acid2137984-51-9C11H9N5O2
- 2-[3-(2H-1,2,3,4-Tetrazol-5-yl)-1H-indol-1-yl]acetic acid2913411-55-7C11H9N5O2
- 2-(1-Methyl-1H-pyrazol-4-yl)-6-nitro-1H-1,3-benzodiazole2438716-72-2C11H9N5O2
- 2-(1-Methyl-1H-pyrazol-5-yl)-6-nitro-1H-1,3-benzodiazole2596624-06-3C11H9N5O2
- 2-(1-Methyl-1H-imidazol-5-yl)-6-nitro-1H-1,3-benzodiazole2624527-91-7C11H9N5O2
- 2-(1-Methyl-1H-pyrazol-3-yl)-6-nitro-1H-1,3-benzodiazole2589889-44-9C11H9N5O2
- 2-(1-Methyl-1H-imidazol-4-yl)-6-nitro-1H-1,3-benzodiazole2580562-38-3C11H9N5O2
Frequently asked questions
What is the molar mass of C11H9N5O2?
The molar mass of C11H9N5O2 is 243.23 g/mol, calculated from standard atomic weights for 11 carbon atoms, 9 hydrogen atoms, 5 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 246.0945 Da.
How many compounds have the formula C11H9N5O2?
CompoundList lists 78 compounds with the molecular formula C11H9N5O2, including 2-[2-(1H-Tetrazol-5-yl)ethyl]-1H-isoindole-1,3(2H)-dione, N2-(4-hydroxyphenyl)guanine, N-(5-Methyl-3-isoxazolyl)pyrazolo[1,5-a]pyrimidine-3-carboxamide. 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 C11H9N5O2?
C11H9N5O2 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.