Molecular formula
C8H7N3O
492 compounds have this formula on CompoundList.
- Molar mass
- 161.16g/mol
- Monoisotopic mass
- 165.0840Da
- Atoms
- 19
- Elements
- 4
- Rings plus double bonds
- 7
The formula C8H7N3O describes a molecule made of 8 carbon atoms, 7 hydrogen atoms, 3 nitrogen atoms and 1 oxygen atom. 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 × 859.62%12.011 × 8 = 96.088 g/mol
- H Hydrogen × 74.38%1.008 × 7 = 7.056 g/mol
- N Nitrogen × 326.07%14.007 × 3 = 42.021 g/mol
- O Oxygen × 19.93%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C8H7N3O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 301 to 400 of 492 compounds
![1-(2H-Benzo[d][1,2,3]triazol-2-yl)ethanone chemical structure, C8H7N3O, CAS 90003-99-9](/s/KFDIGGNHFYYYNH-UHFFFAOYSA-N.svg)
1-(2H-Benzo[d][1,2,3]triazol-2-yl)ethanone
CAS 90003-99-9C8H7N3O
![1-(1H-Imidazo[4,5-b]pyridin-1-yl)ethanone chemical structure, C8H7N3O, CAS 70740-27-1](/s/CJNVGLCOWKCXEV-UHFFFAOYSA-N.svg)
1-(1H-Imidazo[4,5-b]pyridin-1-yl)ethanone
CAS 70740-27-1C8H7N3O
1-(1H-Imidazol-2-yl)pyridin-2(1H)-one
CAS 393561-61-0C8H7N3O
![7H-[1,2]Oxazolo[4,5-c]pyrazolo[1,2-a]pyridazine chemical structure, C8H7N3O, CAS 121014-31-1](/s/PFUFXUZTLDBXIV-UHFFFAOYSA-N.svg)
7H-[1,2]Oxazolo[4,5-c]pyrazolo[1,2-a]pyridazine
CAS 121014-31-1C8H7N3O
![3-Aminoimidazo[1,2-a]pyridine-2-carbaldehyde chemical structure, C8H7N3O, CAS 857350-33-5](/s/FTPHGCVADNPHCB-UHFFFAOYSA-N.svg)
3-Aminoimidazo[1,2-a]pyridine-2-carbaldehyde
CAS 857350-33-5C8H7N3O
![5-Amino-1H-pyrrolo[2,3-b]pyridine-3-carbaldehyde chemical structure, C8H7N3O, CAS 1190322-68-9](/s/QJORZLKNVXOENL-UHFFFAOYSA-N.svg)
5-Amino-1H-pyrrolo[2,3-b]pyridine-3-carbaldehyde
CAS 1190322-68-9C8H7N3O
1-(Pyridin-2-yl)-1H-pyrazol-4-ol
CAS 1779121-75-3C8H7N3O
4-(Azidomethyl)benzaldehyde
CAS 510772-10-8C8H7N3O
![2-Methyl-5H-pyrrolo[2,3-b]pyrazine-7-carbaldehyde chemical structure, C8H7N3O, CAS 1956324-02-9](/s/DXFPCNZEFKRKKW-UHFFFAOYSA-N.svg)
2-Methyl-5H-pyrrolo[2,3-b]pyrazine-7-carbaldehyde
CAS 1956324-02-9C8H7N3O
![1-(Pyrazolo[1,5-a]pyrimidin-2-yl)ethan-1-one chemical structure, C8H7N3O, CAS 1558214-37-1](/s/REXXFXMDRNKMQE-UHFFFAOYSA-N.svg)
1-(Pyrazolo[1,5-a]pyrimidin-2-yl)ethan-1-one
CAS 1558214-37-1C8H7N3O
![1-(Pyrazolo[1,5-a]pyrimidin-3-yl)ethanone chemical structure, C8H7N3O, CAS 1556129-55-5](/s/XOJYYEGGUDNEAH-UHFFFAOYSA-N.svg)
1-(Pyrazolo[1,5-a]pyrimidin-3-yl)ethanone
CAS 1556129-55-5C8H7N3O
![2,3-Dihydro-1H-pyrido[2,3-b][1,4]oxazine-7-carbonitrile chemical structure, C8H7N3O, CAS 1198154-21-0](/s/JSZVBYLCRYVTHN-UHFFFAOYSA-N.svg)
2,3-Dihydro-1H-pyrido[2,3-b][1,4]oxazine-7-carbonitrile
CAS 1198154-21-0C8H7N3O
5-Azaindole-6-carboxamide
CAS 1427502-97-3C8H7N3O
![1-([1,2,4]Triazolo[1,5-a]pyridin-6-yl)ethan-1-one chemical structure, C8H7N3O, CAS 1428262-29-6](/s/FKXXOPQZJXHSFD-UHFFFAOYSA-N.svg)
1-([1,2,4]Triazolo[1,5-a]pyridin-6-yl)ethan-1-one
CAS 1428262-29-6C8H7N3O
![1-(1H-Pyrazolo[4,3-b]pyridin-6-yl)ethanone chemical structure, C8H7N3O, CAS 1256787-55-9](/s/YMEVIOJEQQOTDN-UHFFFAOYSA-N.svg)
1-(1H-Pyrazolo[4,3-b]pyridin-6-yl)ethanone
CAS 1256787-55-9C8H7N3O
4-Methyl-2-oxo-1,2lambda~5~,3-benzotriazine
CAS 123346-40-7C8H7N3O
![1H-Pyrrolo[2,3-c]pyridine-7-carboxamide chemical structure, C8H7N3O, CAS 1448259-11-7](/s/WJFNZOITWHGWSO-UHFFFAOYSA-N.svg)
1H-Pyrrolo[2,3-c]pyridine-7-carboxamide
CAS 1448259-11-7C8H7N3O
(E)-3-Cyano-N'-hydroxybenzene-1-carboximidamide
C8H7N3O
![1-(1H-Pyrazolo[4,3-b]pyridin-3-yl)ethanone chemical structure, C8H7N3O, CAS 1211525-04-0](/s/KFGXMRHEDKZLTD-UHFFFAOYSA-N.svg)
1-(1H-Pyrazolo[4,3-b]pyridin-3-yl)ethanone
CAS 1211525-04-0C8H7N3O
![1-(5H-Pyrrolo[2,3-b]pyrazin-7-yl)ethanone chemical structure, C8H7N3O, CAS 1522641-39-9](/s/GCYNHVZUXWFTIQ-UHFFFAOYSA-N.svg)
1-(5H-Pyrrolo[2,3-b]pyrazin-7-yl)ethanone
CAS 1522641-39-9C8H7N3O
![6-Methylpyrido[3,2-b]pyrazin-3(4H)-one chemical structure, C8H7N3O, CAS 1417556-25-2](/s/XHQSIQKSYUPTAI-UHFFFAOYSA-N.svg)
6-Methylpyrido[3,2-b]pyrazin-3(4H)-one
CAS 1417556-25-2C8H7N3O
3-(5-Methylpyrazin-2-yl)-3-oxopropanenitrile
CAS 1414580-37-2C8H7N3O
![5-Methylpyrazolo[1,5-a]pyrimidine-3-carbaldehyde chemical structure, C8H7N3O, CAS 1263059-01-3](/s/DZCCHGVOXAFCPF-UHFFFAOYSA-N.svg)
5-Methylpyrazolo[1,5-a]pyrimidine-3-carbaldehyde
CAS 1263059-01-3C8H7N3O
6-(1H-Imidazol-1-yl)pyridin-2-ol
CAS 2034469-19-5C8H7N3O
- 5-(3-Isoxazolyl)-2-pyridinamine1496260-72-0C8H7N3O
- 4-Azido-1,3-dihydro-2-benzofuran1824098-69-2C8H7N3O
- 1-(Imidazo[1,2-a]pyrazin-6-yl)ethan-1-one2092087-24-4C8H7N3O
- 6-Methyl-7H-pyrrolo[2,3-d]pyrimidine-2-carbaldehyde1638763-67-3C8H7N3O
- 6-Methyl-7H-pyrrolo[2,3-d]pyrimidine-4-carbaldehyde1638767-02-8C8H7N3O
- 1-(Pyridin-4-yl)-1H-pyrazol-3-ol1934418-57-1C8H7N3O
- N-(3-Cyanopyridin-4-yl)acetamide1856886-08-2C8H7N3O
- 2-Aminoquinoxalin-6-ol321746-85-4C8H7N3O
- 2-Aminoquinoxalin-5-ol659729-76-7C8H7N3O
- 4-Amino-7-hydroxyquinazoline320366-15-2C8H7N3O
- 1H-Pyrrolo[2,3-c]pyridine-3-carboxaldehyde, oxime25957-66-8C8H7N3O
- 5-(1H-Pyrazol-1-yl)-2(1H)-pyridinone2761952-27-4C8H7N3O
- 4-Amino-1,2-dihydro-1,6-naphthyridin-2-one2580226-48-6C8H7N3O
- N-(Cyanomethyl)nicotinamide35970-19-5C8H7N3O
- 2H-1,2,3-Triazole, 2-phenyl-, 1-oxide77896-39-0C8H7N3O
- (E)-(4-Methoxyphenyl)diazene-1-carbonitrile52512-40-0C8H7N3O
- 2-Azido-5-methylbenzaldehyde113302-66-2C8H7N3O
- N-(1H-Benzo[d]imidazol-1-yl)formamide40995-25-3C8H7N3O
- 2-Aminoquinazolin-8-ol659730-14-0C8H7N3O
- 1-(Pyridin-2-yl)-1H-pyrazol-5-ol126583-31-1C8H7N3O
- 6-Cyano-N-methylpyridine-2-carboxamide435273-30-6C8H7N3O
- 5-Aminopyrazolo[1,5-a]pyridine-3-carbaldehyde1101120-41-5C8H7N3O
- 2-Imino-2H-pyrido[1,2-a]pyrimidin-4(3H)-one536719-83-2C8H7N3O
- 3-Pyridinecarboxamide, 6-cyano-2-methyl-160601-82-1C8H7N3O
- 3-Methyl-5-(pyridazin-4-yl)isoxazole39123-41-6C8H7N3O
- 5-Amino-2-(3-furyl)pyrimidine1260885-95-7C8H7N3O
- 5-Hydroxy-2-(1H-pyrrol-1-yl)pyrimidine1260812-32-5C8H7N3O
- 6-Amino-1H-pyrrolo[3,2-b]pyridine-3-carbaldehyde1190313-87-1C8H7N3O
- 7-Amino-1H-pyrrolo[3,2-b]pyridine-3-carbaldehyde1190311-25-1C8H7N3O
- 2-Methyl-3-nitrosopyrazolo[1,5-a]pyridine53902-97-9C8H7N3O
- 7-Methylimidazo[1,2-A]pyrimidine-3-carbaldehyde944900-13-4C8H7N3O
- 3-Oxo-1,2,3,4-tetrahydropyrrolo[1,2-a]pyrimidine-7-carbonitrile1314975-82-0C8H7N3O
- 1-(7H-Pyrrolo[2,3-d]pyrimidin-4-yl)ethan-1-one1352901-05-3C8H7N3O
- 2-(5-Methyl-3-pyridyl)-1,3,4-oxadiazole2688941-78-6C8H7N3O
- Imidazo[1,5-a]pyridine-3-carboxamide1540185-42-9C8H7N3O
- Pyrazolo[1,5-a]pyridine-5-carboxamide1101120-03-9C8H7N3O
- N-({Imidazo[1,2-a]pyridin-2-yl}methylidene)hydroxylamine1280538-72-8C8H7N3O
- 2-Methylpyrido[4,3-d]pyrimidin-5(6H)-one1432381-18-4C8H7N3O
- 3-Hydroxy-5-(1H-pyrazol-1-yl)pyridine1314356-83-6C8H7N3O
- 3-Hydroxy-5-(imidazol-1-yl)pyridine1314355-03-7C8H7N3O
- 2-(6-Methyl-3-pyridyl)-1,3,4-oxadiazole2683895-15-8C8H7N3O
- 3-Amino-2,3-dihydrobenzo[d]isoxazole-6-carbonitrile1260657-33-7C8H7N3O
- 3-Amino-4H-pyrido[1,2-a]pyrazin-4-one1367933-17-2C8H7N3O
- 3-Methyl-1,2,4-triazolo[4,3-a]pyridine-8-carboxaldehyde1369139-50-3C8H7N3O
- 1-([1,2,4]Triazolo[4,3-a]pyridin-7-yl)ethanone1551031-56-1C8H7N3O
- 1-(Pyrazolo[1,5-a]pyrimidin-6-yl)ethan-1-one1781016-93-0C8H7N3O
- N-(Prop-2-yn-1-yl)pyrimidine-4-carboxamide1862571-00-3C8H7N3O
- 7-Aminoquinoxalin-2(3H)-one1936082-98-2C8H7N3O
- 7-Methoxypyrido[2,3-b]pyrazine1337880-59-7C8H7N3O
- 2-(1H-Pyrazol-1-yl)pyridin-3-ol1499039-25-6C8H7N3O
- 6-(4-Oxazolyl)-3-pyridinamine1919049-33-4C8H7N3O
- 2-Diazo-1-(6-methyl-3-pyridinyl)ethanone1238877-67-2C8H7N3O
- 1-Methyl-1H-pyrazolo[3,4-c]pyridine-4-carbaldehyde1378581-86-2C8H7N3O
- 5-Cyano-2-methylnicotinamide2096503-42-1C8H7N3O
- 1-Methyl-1H-pyrazolo[4,3-B]pyridine-6-carbaldehyde1824129-19-2C8H7N3O
- 6-Methylpyrido[2,3-d]pyrimidin-4(1H)-one64600-52-8C8H7N3O
- 6-(1H-Imidazol-2-yl)pyridin-3-ol1256789-38-4C8H7N3O
- 1H-Pyrrolo[2,3-c]pyridine-2-carboxaldehyde oxime867034-95-5C8H7N3O
- 5-Cyclopropyl-1,6-dihydro-6-oxo-3-pyridazinecarbonitrile2229862-35-3C8H7N3O
- N-({Pyrazolo[1,5-a]pyridin-7-yl}methylidene)hydroxylamine2413937-12-7C8H7N3O
- 2-Methylimidazo[1,2-b]pyridazine-6-carbaldehyde2741799-92-6C8H7N3O
- 8-Methylpyrido[4,3-d]pyrimidin-5-ol2137816-43-2C8H7N3O
- 5-Amino-2,3-dihydrofuro[3,2-b]pyridine-6-carbonitrile2782053-89-6C8H7N3O
- 1-(4-Methoxyphenyl)-3-methylidyne-1-triazene91978-84-6C8H7N3O
- 5-Methyl-1H-1,2,3-benzotriazole-4-carbaldehyde2167168-36-5C8H7N3O
- 2-Ethenyl-5,7-dihydropyrrolo[2,3-d]pyrimidin-6-one335654-09-6C8H7N3O
- 1H-Benzo[d]imidazole-6-carbaldehyde oxime865878-73-5C8H7N3O
- 4-Pyridin-4-yl-1,2-dihydropyrazol-3-one852521-15-4C8H7N3O
- 4-(1H-Imidazol-5-yl)-2(1H)-pyridinone87121-65-1C8H7N3O
- N-(2-Cyanopyridin-3-yl)acetamide676601-82-4C8H7N3O
- 3-Aminocinnolin-4(1H)-one1379294-54-8C8H7N3O
- 6-Amino-1H-indazole-7-carbaldehyde154597-37-2C8H7N3O
- 2-Methyl-1H-imidazo[4,5-b]pyridine-6-carbaldehyde1367992-56-0C8H7N3O
- 2-Amino-1H-benzo[d]imidazole-7-carbaldehyde1379329-44-8C8H7N3O
- Pyrazolo[1,5-a]pyridine-4-carboxamide2282526-55-8C8H7N3O
- Methyl (3-cyanopyridin-2-yl)methanimidate116749-17-8C8H7N3O
Frequently asked questions
What is the molar mass of C8H7N3O?
The molar mass of C8H7N3O is 161.16 g/mol, calculated from standard atomic weights for 8 carbon atoms, 7 hydrogen atoms, 3 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 165.0840 Da.
How many compounds have the formula C8H7N3O?
CompoundList lists 492 compounds with the molecular formula C8H7N3O, including 1-(2H-Benzo[d][1,2,3]triazol-2-yl)ethanone, 1-(1H-Imidazo[4,5-b]pyridin-1-yl)ethanone, 1-(1H-Imidazol-2-yl)pyridin-2(1H)-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 C8H7N3O?
C8H7N3O has a degree of unsaturation of 7. 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.