Molecular formula
C9H5N3O2
89 compounds have this formula on CompoundList.
- Molar mass
- 187.16g/mol
- Monoisotopic mass
- 187.0382Da
- Atoms
- 19
- Elements
- 4
- Rings plus double bonds
- 9
The formula C9H5N3O2 describes a molecule made of 9 carbon atoms, 5 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 × 957.76%12.011 × 9 = 108.099 g/mol
- H Hydrogen × 52.69%1.008 × 5 = 5.040 g/mol
- N Nitrogen × 322.45%14.007 × 3 = 42.021 g/mol
- O Oxygen × 217.10%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C9H5N3O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 89 of 89 compounds
1H-(1,2,4)Oxadiazolo(4,3-a)quinoxalin-1-one
CAS 41443-28-1C9H5N3O2
4-Phenyl-3-furoxancarbonitrile
CAS 125520-62-9C9H5N3O2
6-Cyano-1H-indazole-3-carboxylic acid
CAS 194163-31-0C9H5N3O2
3-Azidocoumarin
CAS 152711-55-2C9H5N3O2
4-Azidocoumarin
CAS 42373-56-8C9H5N3O2
4-Cyano-1H-indazole-3-carboxylic acid
CAS 1000341-33-2C9H5N3O2
5-Cyano-1H-indazole-3-carboxylic acid
CAS 885520-03-6C9H5N3O2
6-Cyanoimidazo(1,2-a)pyridine-3-carboxylic acid
CAS 1019021-71-6C9H5N3O2
3-Cyano-1H-indazole-5-carboxylic acid
CAS 1301214-73-2C9H5N3O2
3-Cyano-1H-indazole-6-carboxylic acid
CAS 1374258-29-3C9H5N3O2
3-Cyano-1H-pyrrolo(2,3-b)pyridine-5-carboxylic acid
CAS 1372925-15-9C9H5N3O2
3-Cyano-1H-pyrrolo(2,3-b)pyridine-6-carboxylic acid
CAS 2919955-04-5C9H5N3O2
2-Quinoxalinecarbonitrile, 1,4-dioxide
CAS 68100-27-6C9H5N3O2
5-Oxido-4-phenyl-1,2,5-oxadiazol-5-ium-3-carbonitrile
CAS 125520-63-0C9H5N3O2
2,3-Dioxo-1,2,3,4-tetrahydroquinoxaline-6-carbonitrile
CAS 61875-40-9C9H5N3O2
![5-Cyano-1H-benzo[d]imidazole-2-carboxylic acid chemical structure, C9H5N3O2, CAS 1207725-95-8](/s/BVHHTDXFMXBIJX-UHFFFAOYSA-N.svg)
5-Cyano-1H-benzo[d]imidazole-2-carboxylic acid
CAS 1207725-95-8C9H5N3O2
4-(5-Hydroxy-1,3,4-oxadiazol-2-yl)benzonitrile
CAS 128772-82-7C9H5N3O2
1,6-Dihydropyrrolo(2,3-g)indazole-7,8-dione
CAS 73907-94-5C9H5N3O2
4-(Dicyanomethyl)nitrobenzene
CAS 7077-65-8C9H5N3O2
5-Nitro-1H-indole-3-carbonitrile
CAS 7147-14-0C9H5N3O2
6-Nitro-1H-indole-3-carbonitrile
CAS 4769-99-7C9H5N3O2
![1H-5-Oxa-1,2,3-triaza-cyclopenta[a]naphthalen-4-one chemical structure, C9H5N3O2, CAS 40235-42-5](/s/YGEURFRKJHVNCQ-UHFFFAOYSA-N.svg)
1H-5-Oxa-1,2,3-triaza-cyclopenta[a]naphthalen-4-one
CAS 40235-42-5C9H5N3O2
![6-Cyanoimidazo[1,2-a]pyridine-2-carboxylic acid chemical structure, C9H5N3O2, CAS 1020035-67-9](/s/CVFNVXPJVITGNO-UHFFFAOYSA-N.svg)
6-Cyanoimidazo[1,2-a]pyridine-2-carboxylic acid
CAS 1020035-67-9C9H5N3O2
4-Nitro-1H-indole-6-carbonitrile
CAS 1082041-51-7C9H5N3O2
- 7-Cyanoimidazo[1,2-a]pyridine-3-carboxylic acid1019022-01-5C9H5N3O2
- 2,4-Dioxo-1,2,3,4-tetrahydroquinazoline-7-carbonitrile864292-20-6C9H5N3O2
- 2-Quinoxalinecarbonitrile,3,4-dihydro-3-oxo-, 1-oxide31055-87-5C9H5N3O2
- 3H-1,4,8b-Triazaacenaphthylene-3,5(4H)-dione177485-64-2C9H5N3O2
- 7-Nitro-1H-indole-3-carbonitrile165669-10-3C9H5N3O2
- 5-Cyano-1H-pyrrolo[2,3-c]pyridine-2-carboxylic acid800401-88-1C9H5N3O2
- 5-Cyanopyrazolo[1,5-a]pyridine-3-carboxylic acid1352900-89-0C9H5N3O2
- 4-Cyano-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid1000340-46-4C9H5N3O2
- Pyrido[3',2':4,5]furo[3,2-d]pyrimidin-4(1H)-one371944-18-2C9H5N3O2
- 3,6-Dihydropyrrolo[3,2-e]indazole-7,8-dione78416-41-8C9H5N3O2
- 6-Cyano-1H-pyrrolo[3,2-b]pyridine-3-carboxylic acid1190315-88-8C9H5N3O2
- 7-Cyano-1H-pyrrolo[3,2-b]pyridine-3-carboxylic acid1190312-72-1C9H5N3O2
- 2-Hydroxy-4-oxo-1H-1,8-naphthyridine-3-carbonitrile153457-29-5C9H5N3O2
- 2,4-Dihydroxyquinazoline-6-carbonitrile1334331-27-9C9H5N3O2
- 2,4(1H,3H)-Quinolinedione, 3-diazo-7270-61-3C9H5N3O2
- 1H-Imidazo[1,2-a]benzimidazole-2,3-dione57842-37-2C9H5N3O2
- 4-Hydroxy-3-oxoquinoxaline-2-carbonitrile160315-02-6C9H5N3O2
- 7-Cyano-5-nitroindole196205-11-5C9H5N3O2
- 5-Cyano-1H-pyrrolo[3,2-b]pyridine-3-carboxylic acid1190311-47-7C9H5N3O2
- 5(4H)-Isoxazolone, 4-diazo-3-phenyl-56666-67-2C9H5N3O2
- 4-Nitro-1H-indole-2-carbonitrile120975-30-6C9H5N3O2
- 3-Azido-1-benzofuran-2-carbaldehyde160349-69-9C9H5N3O2
- 2,4-Dioxo-1,2,3,4-tetrahydroquinazoline-8-carbonitrile1150617-69-8C9H5N3O2
- 1H-Pyrrolo[2,3-b]pyridine-2-carboxylic acid, 3-cyano-1204475-69-3C9H5N3O2
- 5-Isocyanato-3-phenyl-1,2,4-oxadiazole90484-03-0C9H5N3O2
- 7-Cyano-1H-pyrrolo[2,3-c]pyridine-3-carboxylic acid1190318-42-3C9H5N3O2
- 8-Cyanoimidazo[1,2-a]pyridine-2-carboxylic acid1020035-70-4C9H5N3O2
- 6-Nitro-1H-indole-2-carbonitrile873055-06-2C9H5N3O2
- 3-(4,5-Dihydro-5-oxo-1,3,4-oxadiazol-2-yl)benzonitrile1339327-21-7C9H5N3O2
- 2-(Cyanomethyl)-4-nitrobenzonitrile918811-43-5C9H5N3O2
- 2-Cyano-1H-pyrrolo[2,3-b]pyridine-5-carboxylic acid1403746-73-5C9H5N3O2
- 4-Cyano-1H-indazole-6-carboxylic acid1448260-45-4C9H5N3O2
- 4-Nitro-1H-indole-3-carbonitrile4770-00-7C9H5N3O2
- 3-Nitro-1H-indole-5-carbonitrile887202-39-3C9H5N3O2
- [1,3]Oxazolo[4,5-c][1,8]naphthyridin-2(3H)-one59851-79-5C9H5N3O2
- [1,3]Oxazolo[4,5-c][1,7]naphthyridin-2(3H)-one59851-78-4C9H5N3O2
- [1,3]Oxazolo[4,5-c][1,5]naphthyridin-2(3H)-one59851-76-2C9H5N3O2
- [1,3]Oxazolo[4,5-c][1,6]naphthyridin-2(3H)-one59851-77-3C9H5N3O2
- Imidazo[4,5-f]isoindole-5,7(1H,6H)-dione465539-50-8C9H5N3O2
- 4-Cyano-1H-pyrrolo[2,3-c]pyridine-3-carboxylic acid1190320-22-9C9H5N3O2
- 1H-Pyrrolo[2,3-b]pyridine-2-carboxylic acid, 6-cyano-800401-57-4C9H5N3O2
- 5-Cyano-1H-pyrrolo[3,2-b]pyridine-2-carboxylic acid800401-53-0C9H5N3O2
- 6-Cyano-1H-pyrrolo[3,2-c]pyridine-2-carboxylic acid800401-55-2C9H5N3O2
- (4,6-Dicyanopyridin-2-yl)acetic acid1393572-31-0C9H5N3O2
- (2,6-Dicyanopyridin-4-yl)acetic acid1393572-86-5C9H5N3O2
- 1-Cyanoimidazo[1,5-a]pyridine-3-carboxylic acid1890788-48-3C9H5N3O2
- 4-Cyano-1H-pyrrolo[2,3-b]pyridine-2-carboxylic acid1812216-76-4C9H5N3O2
- Methyl 3-(2-cyanopyrimidin-5-yl)prop-2-ynoate2098041-37-1C9H5N3O2
- Methyl 3-(3-cyanopyrazin-2-yl)prop-2-ynoate2098100-83-3C9H5N3O2
- Cyclobuta[b]pyrido[2,3-e]pyrazine-6,7(5H,8H)-dione33528-01-7C9H5N3O2
- Cyclobuta[b]pyrido[3,4-e]pyrazine-6,7(5H,8H)-dione33528-02-8C9H5N3O2
- 6-Cyano-1H-indazole-4-carboxylic acid2135332-39-5C9H5N3O2
- 4-Cyano-1H-pyrrolo[2,3-c]pyridine-2-carboxylic acid2637389-03-6C9H5N3O2
- 5-Nitro-1H-indole-1-carbonitrile477862-75-2C9H5N3O2
- 5-Cyano-1H-indazole-6-carboxylic acid1227268-90-7C9H5N3O2
- 5-Cyanoimidazo[1,2-a]pyridine-3-carboxylic acid1936289-25-6C9H5N3O2
- 2-(Cyanomethyl)-5-nitrobenzonitrile90484-04-1C9H5N3O2
- 6-Nitro-1H-indole-5-carbonitrile1423120-44-8C9H5N3O2
- 2-Ethynyl-6-nitro-1H-1,3-benzodiazole2138186-44-2C9H5N3O2
- 2-(2-Nitrophenyl)malononitrile1858911-38-2C9H5N3O2
- 2,4-Dihydroxyquinazoline-5-carbonitrile1823958-91-3C9H5N3O2
- 4-Cyanobenzo[d]oxazole-2-carboxamide1806281-10-6C9H5N3O2
- 2-Cyanobenzo[d]oxazole-7-carboxamide1806517-60-1C9H5N3O2
- 2-Ethynyl-3H-imidazo[4,5-b]pyridine-5-carboxylic acid2435840-58-5C9H5N3O2
- 3-Ethynyl-5-nitro-1H-indazole2581227-79-2C9H5N3O2
Frequently asked questions
What is the molar mass of C9H5N3O2?
The molar mass of C9H5N3O2 is 187.16 g/mol, calculated from standard atomic weights for 9 carbon atoms, 5 hydrogen atoms, 3 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 187.0382 Da.
How many compounds have the formula C9H5N3O2?
CompoundList lists 89 compounds with the molecular formula C9H5N3O2, including 1H-(1,2,4)Oxadiazolo(4,3-a)quinoxalin-1-one, 4-Phenyl-3-furoxancarbonitrile, 6-Cyano-1H-indazole-3-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 C9H5N3O2?
C9H5N3O2 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.