Molecular formula
C9H8N4O
251 compounds have this formula on CompoundList.
- Molar mass
- 188.19g/mol
- Monoisotopic mass
- 191.0886Da
- Atoms
- 22
- Elements
- 4
- Rings plus double bonds
- 8
The formula C9H8N4O describes a molecule made of 9 carbon atoms, 8 hydrogen atoms, 4 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 × 957.44%12.011 × 9 = 108.099 g/mol
- H Hydrogen × 84.29%1.008 × 8 = 8.064 g/mol
- N Nitrogen × 429.77%14.007 × 4 = 56.028 g/mol
- O Oxygen × 18.50%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C9H8N4O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 251 compounds
5-Amino-2-(pyridin-2-yl)pyrimidin-4(3H)-one
CAS 1343461-00-6C9H8N4O
(1-Methyl-1H-imidazol-2-yl)(pyrimidin-5-yl)methanone
CAS 1505897-87-9C9H8N4O
(1-Methyl-1H-imidazol-5-yl)(pyrimidin-5-yl)methanone
CAS 1548555-62-9C9H8N4O
![4-Methyl-5-pyridin-3-yl-4H-[1,2,4]triazole-3-carbaldehyde chemical structure, C9H8N4O, CAS 863711-88-0](/s/IERKOCOPKAZAGQ-UHFFFAOYSA-N.svg)
4-Methyl-5-pyridin-3-yl-4H-[1,2,4]triazole-3-carbaldehyde
CAS 863711-88-0C9H8N4O
2-Amino-5-imidazol-1-ylpyridine-3-carbaldehyde
CAS 1261222-05-2C9H8N4O
2-(1H-Imidazol-4-yl)pyridine-4-carboxamide
CAS 1627838-80-5C9H8N4O
2-(3-(Pyrazin-2-yl)-1H-pyrazol-4-yl)acetaldehyde
CAS 2092033-07-1C9H8N4O
2-(4-(Pyrazin-2-yl)-1H-pyrazol-1-yl)acetaldehyde
CAS 2092531-21-8C9H8N4O
![1-(Prop-2-yn-1-yl)-1H-imidazo[1,2-b]pyrazole-6-carboxamide chemical structure, C9H8N4O, CAS 2098031-14-0](/s/RLIUGKRQCDJQLD-UHFFFAOYSA-N.svg)
1-(Prop-2-yn-1-yl)-1H-imidazo[1,2-b]pyrazole-6-carboxamide
CAS 2098031-14-0C9H8N4O
![N-{Pyrazolo[1,5-a]pyrimidin-6-yl}prop-2-enamide chemical structure, C9H8N4O, CAS 2176573-09-2](/s/UCCTVTHSALXCIY-UHFFFAOYSA-N.svg)
N-{Pyrazolo[1,5-a]pyrimidin-6-yl}prop-2-enamide
CAS 2176573-09-2C9H8N4O
![2-Methyl-1H-[4,4]bipyrimidinyl-6-one chemical structure, C9H8N4O, CAS 1083006-38-5](/s/PXLZXMKDDPCWOW-UHFFFAOYSA-N.svg)
2-Methyl-1H-[4,4]bipyrimidinyl-6-one
CAS 1083006-38-5C9H8N4O
6-(5-Methylpyrazin-2-yl)pyrimidin-4-ol
CAS 2092062-90-1C9H8N4O
2-Amino-N-anilino-2-oxoethanimidoyl cyanide
C9H8N4O
2-Amino-1,7-naphthyridine-3-carboxamide
CAS 55234-67-8C9H8N4O
2-Cyano-5-methoxybenzyl azide
CAS 342816-21-1C9H8N4O
N-3-Pyridinyl-1H-imidazole-5-carboxamide
CAS 1262331-47-4C9H8N4O
1-(6-Amino-3-pyridazinyl)-2(1H)-pyridinone
CAS 1177269-56-5C9H8N4O
5-(4-Methyl-1H-imidazol-1-yl)-2-pyrazinecarboxaldehyde
CAS 1139819-64-9C9H8N4O
1-(6-Methylpyrimidin-4-yl)-1H-pyrazole-4-carbaldehyde
CAS 1251120-50-9C9H8N4O
![1-Methyl-5-prop-2-ynylpyrazolo[3,4-d]pyrimidin-4-one chemical structure, C9H8N4O, CAS 1341319-87-6](/s/PLRLGTHHTXJCGD-UHFFFAOYSA-N.svg)
1-Methyl-5-prop-2-ynylpyrazolo[3,4-d]pyrimidin-4-one
CAS 1341319-87-6C9H8N4O
(1-Methyl-1H-imidazol-2-yl)(pyrimidin-2-yl)methanone
CAS 1339750-00-3C9H8N4O
![([2,4'-Bipyrimidin]-4-yl)methanol chemical structure, C9H8N4O, CAS 1341723-55-4](/s/LCLLJKBLWNFVGZ-UHFFFAOYSA-N.svg)
([2,4'-Bipyrimidin]-4-yl)methanol
CAS 1341723-55-4C9H8N4O
![1-[5-(1H-1,2,4-Triazol-1-yl)pyridin-2-yl]ethan-1-one chemical structure, C9H8N4O, CAS 1556926-23-8](/s/AVOXPSBHBQNKPX-UHFFFAOYSA-N.svg)
1-[5-(1H-1,2,4-Triazol-1-yl)pyridin-2-yl]ethan-1-one
CAS 1556926-23-8C9H8N4O
(1-Methyl-1H-imidazol-2-yl)(pyridazin-4-yl)methanone
CAS 1564805-20-4C9H8N4O
- (1-Methyl-1H-imidazol-5-yl)(pyridazin-4-yl)methanone1600563-04-9C9H8N4O
- 3-(6-Methyl-1,2,4,5-tetrazin-3-yl)phenol1414690-78-0C9H8N4O
- 6-Amino-1,5-naphthyridine-3-carboxamide1610021-58-3C9H8N4O
- 3-{4-Oxo-4H,5H-pyrazolo[1,5-a]pyrazin-5-yl}propanenitrile1566655-23-9C9H8N4O
- 1-Methyl-3-(pyrazin-2-yl)-1H-pyrazole-5-carbaldehyde2009490-83-7C9H8N4O
- 2-(3-(Pyrazin-2-yl)-1H-pyrazol-1-yl)acetaldehyde2091246-22-7C9H8N4O
- 1-(Prop-2-yn-1-yl)-1H-imidazo[1,2-b]pyrazole-7-carboxamide2097951-06-7C9H8N4O
- 6-(But-2-yn-1-yloxy)-[1,2,4]triazolo[4,3-b]pyridazine2198051-99-7C9H8N4O
- N-{[1,2,4]Triazolo[1,5-a]pyridin-6-yl}prop-2-enamide2185980-34-9C9H8N4O
- 4-(3-Amino-[1,2,4]triazin-5-yl)-phenol1379350-68-1C9H8N4O
- 4(3H)-Pyrimidinone, 2-amino-6-(2-pyridinyl)-54950-13-9C9H8N4O
- 7-Cyclopropylpyrimido[4,5-d]pyrimidin-4-ol1400636-93-2C9H8N4O
- 2-Methyl-6-(pyrazin-2-yl)pyrimidin-4-ol2090399-84-9C9H8N4O
- 5,9-Dihydro-1H-imidazo[4,5-g]quinazolin-8(4H)-one115419-99-3C9H8N4O
- 1-(5-Methylpyrazin-2-yl)-1H-pyrazole-4-carbaldehyde2254338-02-6C9H8N4O
- N-([1,2,4]Triazolo[4,3-a]pyridin-3-yl)prop-2-enamide2308298-99-7C9H8N4O
- 1-[1-(Pyrimidin-2-yl)-1H-pyrazol-4-yl]ethan-1-one852807-24-0C9H8N4O
- 4-(9H-Purin-6-yl)but-3-yn-1-ol874891-74-4C9H8N4O
- 4-Amino-6-phenyl-1,2,4-triazin-5(4H)-one62191-14-4C9H8N4O
- [1,2,4]Triazino[4,3-a]benzimidazol-3(4H)-one, 1,2-dihydro-61654-18-0C9H8N4O
- 1-Phenyl-2-(2H-tetrazol-2-yl)ethan-1-one88404-27-7C9H8N4O
- N-(4-(1H-Imidazol-2-yl)pyridin-3-yl)formamide88128-94-3C9H8N4O
- N-(3-(1H-Imidazol-2-yl)pyridin-2-yl)formamide88128-97-6C9H8N4O
- 2-(4-Methylphenyl)-2H-tetrazole-5-carboxaldehyde107269-73-8C9H8N4O
- (5-Amino-1H-pyrazol-4-yl)(pyridin-4-yl)methanone96219-86-2C9H8N4O
- 2-Amino-1,6-naphthyridine-3-carboxamide37485-99-7C9H8N4O
- 6-Hydroxy-2-(4'-amino-2'-pyridyl)pyrazine1185309-91-4C9H8N4O
- 5-Hydroxy-2-(4'-amino-2'-pyridyl)pyrazine1185318-88-0C9H8N4O
- 3-Hydroxy-6-(5-aminopyridyl-3-yl)pyridazine1215073-75-8C9H8N4O
- 2-m-Tolyl-2H-tetrazole-5-carbaldehyde863711-50-6C9H8N4O
- 4-Amino-6-(1H-pyridin-2-one)pyrimidine1314356-39-2C9H8N4O
- 2-Amino-4-(1H-pyridin-2-one)pyrimidine1314355-77-5C9H8N4O
- 4-(1H-1,2,4-Triazol-3-yl)benzamide2167131-02-2C9H8N4O
- 1-[2-(1H-1,2,4-Triazol-1-yl)pyridin-4-yl]ethan-1-one1531567-99-3C9H8N4O
- 5-Methyl-6-(1H-1,2,4-triazol-1-yl)pyridine-3-carbaldehyde1518258-84-8C9H8N4O
- (3-Methylimidazol-4-yl)-pyrazin-2-ylmethanone1548191-05-4C9H8N4O
- 3-[(1s)-2-Azido-1-hydroxyethyl]benzonitrile1568004-06-7C9H8N4O
- 3-[(1R)-2-Azido-1-hydroxyethyl]benzonitrile1568162-61-7C9H8N4O
- 3-(2-Azido-1-hydroxyethyl)benzonitrile1546676-65-6C9H8N4O
- 2-(4-Methyl-1H-pyrazol-1-yl)pyrimidine-5-carbaldehyde1566853-92-6C9H8N4O
- 4-(Azidomethyl)-2-methoxybenzonitrile1696493-16-9C9H8N4O
- 5-Ethyl-7-oxo-4H,7H-pyrazolo[1,5-a]pyrimidine-3-carbonitrile1601875-00-6C9H8N4O
- (1-Methyl-1H-imidazol-5-yl)-2-pyrimidinylmethanone1691200-02-8C9H8N4O
- 1-[1-(Pyrazin-2-yl)-1H-pyrazol-4-yl]ethan-1-one2098030-10-3C9H8N4O
- 6-(3-Methoxyprop-1-yn-1-yl)-9H-purine2097988-24-2C9H8N4O
- 4-(9H-Purin-6-yl)but-3-yn-2-ol2098044-62-1C9H8N4O
- 3-Amino-7-methoxyimidazo[1,2-a]pyridine-6-carbonitrile1427426-71-8C9H8N4O
- 3-(Hydroxymethyl)-2-methyl-imidazo[1,2-a]pyrazine-6-carbonitrile2055661-98-6C9H8N4O
- 2-(4-Methyl-1H-imidazol-1-yl)pyrimidine-5-carbaldehyde2172441-26-6C9H8N4O
- 4-Hydroxy-6-methyl-2-(5-pyrimidyl)pyrimidine1159815-84-5C9H8N4O
- 7-Ethyl-5-hydroxypyrazolo[1,5-a]pyrimidine-3-carbonitrile1596737-39-1C9H8N4O
- 5-Hydroxy-6,7-dimethylpyrazolo[1,5-a]pyrimidine-3-carbonitrile1594473-07-0C9H8N4O
- N-{Pyrazolo[1,5-a]pyrimidin-5-yl}prop-2-enamide2308298-75-9C9H8N4O
- N-{[1,2,4]Triazolo[1,5-a]pyridin-2-yl}prop-2-enamide2308298-84-0C9H8N4O
- 2-(6-Methyl-1,2,4,5-tetrazin-3-yl)phenol1803356-60-6C9H8N4O
- 3-Methyl-1-(pyrazin-2-yl)-1H-pyrazole-4-carbaldehyde2167679-02-7C9H8N4O
- N-{[1,2,4]Triazolo[4,3-a]pyridin-6-yl}prop-2-enamide2308298-93-1C9H8N4O
- 2-[3-(1H-1,2,3,4-Tetrazol-5-yl)phenyl]acetaldehyde2228796-60-7C9H8N4O
- 1-(2-Hydroxyethyl)-1H-1,2,3-benzotriazole-5-carbonitrile2287282-22-6C9H8N4O
- 1-Methyl-5-(2-pyridinyl)-1H-1,2,4-triazole-3-carboxaldehyde956723-09-4C9H8N4O
- 3-Pyrazin-2-yl-5,6-dihydro-4H-pyrrolo[3,2-d][1,2]oxazole603067-71-6C9H8N4O
- 1-Benzyl-1H-tetrazole-5-carbaldehyde37468-66-9C9H8N4O
- 2-Pyridin-4-yl-1H-imidazole-5-carboxamide34626-09-0C9H8N4O
- 1,5-Naphthyridine-2-carbohydrazide67510-41-2C9H8N4O
- 4-[(1E)-3-Formyl-3-methyltriaz-1-en-1-yl]benzonitrile116548-42-6C9H8N4O
- 2-[(4H-1,2,4-Triazol-4-yl)amino]cyclohepta-2,4,6-trien-1-one647841-45-0C9H8N4O
- N-(4-Azidophenyl)prop-2-enamide609803-98-7C9H8N4O
- (1-Methylimidazol-2-yl)-pyrazin-2-ylmethanone1342229-91-7C9H8N4O
- (1-Methylpyrazol-4-yl)-pyrazin-2-ylmethanone1104229-44-8C9H8N4O
- (1-Methylpyrazol-4-yl)-pyrimidin-4-ylmethanone1104233-94-4C9H8N4O
- 2-(2-Methyl-1H-imidazol-1-yl)pyrimidine-5-carbaldehyde1566737-58-3C9H8N4O
- 2-(3-Methyl-1H-pyrazol-1-yl)pyrimidine-5-carbaldehyde1565617-11-9C9H8N4O
- 1-(Pyridin-3-yl)-1H-imidazole-4-carboxamide1427019-83-7C9H8N4O
- 4-[(1S)-2-Azido-1-hydroxyethyl]benzonitrile1041193-47-8C9H8N4O
- 4-[(1R)-2-Azido-1-hydroxyethyl]benzonitrile1255944-36-5C9H8N4O
- 2-Hydroxy-4-(pyrimidin-5-yl)-6-methylpyrimidine1412958-32-7C9H8N4O
Frequently asked questions
What is the molar mass of C9H8N4O?
The molar mass of C9H8N4O is 188.19 g/mol, calculated from standard atomic weights for 9 carbon atoms, 8 hydrogen atoms, 4 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 191.0886 Da.
How many compounds have the formula C9H8N4O?
CompoundList lists 251 compounds with the molecular formula C9H8N4O, including 5-Amino-2-(pyridin-2-yl)pyrimidin-4(3H)-one, (1-Methyl-1H-imidazol-2-yl)(pyrimidin-5-yl)methanone, (1-Methyl-1H-imidazol-5-yl)(pyrimidin-5-yl)methanone. 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 C9H8N4O?
C9H8N4O has a degree of unsaturation of 8. 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.