Molecular formula
C9H9N3O
905 compounds have this formula on CompoundList.
- Molar mass
- 175.19g/mol
- Monoisotopic mass
- 175.0746Da
- Atoms
- 22
- Elements
- 4
- Rings plus double bonds
- 7
The formula C9H9N3O describes a molecule made of 9 carbon atoms, 9 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 × 961.70%12.011 × 9 = 108.099 g/mol
- H Hydrogen × 95.18%1.008 × 9 = 9.072 g/mol
- N Nitrogen × 323.99%14.007 × 3 = 42.021 g/mol
- O Oxygen × 19.13%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C9H9N3O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 601 to 700 of 905 compounds
![2H,3H,4H,5H-Pyrido[3,4-f][1,4]oxazepine-9-carbonitrile chemical structure, C9H9N3O, CAS 2252274-86-3](/s/YWGYOVSPQAKCFQ-UHFFFAOYSA-N.svg)
2H,3H,4H,5H-Pyrido[3,4-f][1,4]oxazepine-9-carbonitrile
CAS 2252274-86-3C9H9N3O
![2,7-Dimethylpyrido[2,3-d]pyrimidin-4(3H)-one chemical structure, C9H9N3O, CAS 186817-61-8](/s/QIFCGPPPBCSEKF-UHFFFAOYSA-N.svg)
2,7-Dimethylpyrido[2,3-d]pyrimidin-4(3H)-one
CAS 186817-61-8C9H9N3O
![2-Ethylpyrido[2,3-D]pyrimidin-4(3H)-one chemical structure, C9H9N3O, CAS 33109-13-6](/s/FTCYYFYJNQPYBW-UHFFFAOYSA-N.svg)
2-Ethylpyrido[2,3-D]pyrimidin-4(3H)-one
CAS 33109-13-6C9H9N3O
![7-Cyclopropylpyrazolo[1,5-a]pyrimidin-5-ol chemical structure, C9H9N3O, CAS 1566456-35-6](/s/CQVXVLYKJKSPOD-UHFFFAOYSA-N.svg)
7-Cyclopropylpyrazolo[1,5-a]pyrimidin-5-ol
CAS 1566456-35-6C9H9N3O
2-(1-Methyl-1H-1,2,3-triazol-5-yl)phenol
CAS 1592430-06-2C9H9N3O
N'-Hydroxy-1H-indole-2-carboximidamide
CAS 125818-19-1C9H9N3O
![4-Methyl-1H-pyrrolo[2,3-b]pyridine-3-carboxaldehyde oxime chemical structure, C9H9N3O, CAS 4894-35-3](/s/DOZBNNNVIPNLCM-UHFFFAOYSA-N.svg)
4-Methyl-1H-pyrrolo[2,3-b]pyridine-3-carboxaldehyde oxime
CAS 4894-35-3C9H9N3O
6-(1-Methyl-1H-pyrrol-2-yl)pyridazin-3(2H)-one
CAS 2225878-66-8C9H9N3O
2-(4-Methyl-1H-imidazol-1-yl)-4-pyridinol
CAS 2253123-82-7C9H9N3O
![(E)-N-[(1-Methyl-1H-1,3-benzodiazol-5-yl)methylidene]hydroxylamine chemical structure, C9H9N3O, CAS 2387466-02-4](/s/IOQSIYIRIXGPNI-VZUCSPMQSA-N.svg)
(E)-N-[(1-Methyl-1H-1,3-benzodiazol-5-yl)methylidene]hydroxylamine
CAS 2387466-02-4C9H9N3O
![(E)-N-({6-Methylimidazo[1,2-a]pyridin-2-yl}methylidene)hydroxylamine chemical structure, C9H9N3O, CAS 2387395-55-1](/s/XVQZKXCRRGJVOM-ONNFQVAWSA-N.svg)
(E)-N-({6-Methylimidazo[1,2-a]pyridin-2-yl}methylidene)hydroxylamine
CAS 2387395-55-1C9H9N3O
(5-(1H-Pyrazol-1-yl)pyridin-2-yl)methanol
CAS 2144244-16-4C9H9N3O
5-Amino-6-cyclopropoxypyridine-3-carbonitrile
CAS 2114999-68-5C9H9N3O
![3-(Methylamino)-4H-pyrido[1,2-a]pyrimidin-4-one chemical structure, C9H9N3O, CAS 2694723-01-6](/s/RNQGNEYLICIVEU-UHFFFAOYSA-N.svg)
3-(Methylamino)-4H-pyrido[1,2-a]pyrimidin-4-one
CAS 2694723-01-6C9H9N3O
5-(5-Methylpyridin-2-yl)-1,3-oxazol-2-amine
CAS 2229391-02-8C9H9N3O
![6-Cyclopropylimidazo[1,5-a]pyrimidin-3-ol chemical structure, C9H9N3O, CAS 2795137-53-8](/s/QJEDZEGOHJXQGG-UHFFFAOYSA-N.svg)
6-Cyclopropylimidazo[1,5-a]pyrimidin-3-ol
CAS 2795137-53-8C9H9N3O
3-(4-Methylpyridin-3-yl)-1,2-oxazol-5-amine
CAS 2024528-13-8C9H9N3O
![[2-(3-Methoxyphenyl)hydrazinylidene]acetonitrile chemical structure, C9H9N3O, CAS 20609-97-6](/s/UIKXYVPJMLPCQD-UHFFFAOYSA-N.svg)
[2-(3-Methoxyphenyl)hydrazinylidene]acetonitrile
CAS 20609-97-6C9H9N3O
![2-[(3-Methylphenyl)nitrosoamino]acetonitrile chemical structure, C9H9N3O, CAS 93192-51-9](/s/SIEPEDAKRPUCLB-UHFFFAOYSA-N.svg)
2-[(3-Methylphenyl)nitrosoamino]acetonitrile
CAS 93192-51-9C9H9N3O
3-(4-Methylpyridin-2-yl)-1,2-oxazol-5-amine
CAS 2228711-63-3C9H9N3O
![1-(2-Methylpyrazolo[1,5-a]pyrimidin-5-yl)ethanone chemical structure, C9H9N3O, CAS 3052533-13-5](/s/GRLLSVYEZJTCDD-UHFFFAOYSA-N.svg)
1-(2-Methylpyrazolo[1,5-a]pyrimidin-5-yl)ethanone
CAS 3052533-13-5C9H9N3O
![N-(2-Methyl-1H-benzo[d]imidazol-6-yl)formamide chemical structure, C9H9N3O, CAS 944663-22-3](/s/VMYIRBFPVVQQTA-UHFFFAOYSA-N.svg)
N-(2-Methyl-1H-benzo[d]imidazol-6-yl)formamide
CAS 944663-22-3C9H9N3O
5-Imidazol-1-yl-2-methoxypyridine
CAS 502649-50-5C9H9N3O
2-Ethylbenzotriazole-5-carbaldehyde
CAS 628294-68-8C9H9N3O
- 1-(6-Methylpyrazolo[1,5-b]pyridazin-3-yl)ethanone748141-93-7C9H9N3O
- 1-(1-Azidoethenyl)-4-methoxybenzene34910-42-4C9H9N3O
- (4-(1H-Imidazol-1-yl)pyridin-2-yl)methanol59886-76-9C9H9N3O
- 6-Quinoxalinamine, 7-methoxy-66910-62-1C9H9N3O
- N-Methyl-1H-benzo[d]imidazole-4-carboxamide374775-33-4C9H9N3O
- N'-Amino-1-benzofuran-2-carboximidamide72583-89-2C9H9N3O
- 4-(3-Methyl-1,2,4-triazol-4-yl)phenol68337-75-7C9H9N3O
- 4-(5-Methyl-1H-1,2,3-triazol-1-yl)phenol84292-48-8C9H9N3O
- 1-Amino-5-phenyl-1,3-dihydro-2H-imidazol-2-one88419-08-3C9H9N3O
- N-(4-Amino-3-cyanophenyl)acetamide108700-46-5C9H9N3O
- 4-Amino-8-methyl-2H-pyrido[1,2-a]pyrimidin-2-one132371-11-0C9H9N3O
- 2-(Pyrazolo[1,5-a]pyridin-3-yl)acetamide848483-47-6C9H9N3O
- 5-Hydrazinylquinolin-2(1H)-one792898-66-9C9H9N3O
- 1-Methyl-1H-benzo[d]imidazole-6-carboxamide1787784-69-3C9H9N3O
- 1-(5-Aminoimidazo[1,2-a]pyridin-3-yl)ethanone35220-28-1C9H9N3O
- N-(Fur-2-ylmethyl)pyrazin-2-amine1036469-17-6C9H9N3O
- N-((1H-Benzo[d]imidazol-1-yl)methyl)formamide87022-34-2C9H9N3O
- 4,6-Dimethylpyrazolo[1,5-a]pyrazine-7-carbaldehyde143983-73-7C9H9N3O
- 3H-Indole-2-carbohydrazide457899-34-2C9H9N3O
- (1H-Imidazol-4-yl)(pyridin-3-yl)methanol304457-84-9C9H9N3O
- (Quinoxalin-2-yloxy)methanamine873399-75-8C9H9N3O
- 4-Methyl-2-(4H-1,2,4-triazol-4-yl)phenol1491295-41-0C9H9N3O
- 4-(3-Amino-1H-pyrazol-1-yl)phenol54371-71-0C9H9N3O
- (3-(1H-1,2,4-Triazol-3-yl)phenyl)methanol1022158-21-9C9H9N3O
- 1-(1-Methyl-1H-pyrazolo[3,4-c]pyridin-4-yl)ethan-1-one2748629-76-5C9H9N3O
- 6-(2-Methyl-1,3-oxazol-5-yl)pyridin-3-amine1239719-77-7C9H9N3O
- 1-(2-Methylimidazo[1,2-b]pyridazin-3-yl)ethanone453548-78-2C9H9N3O
- 7-(Aminomethyl)-1,5-naphthyridin-4-ol1379306-90-7C9H9N3O
- 2-(5-Methylfuran-2-yl)pyrimidin-4-amine1248918-13-9C9H9N3O
- (4-(Pyridin-2-yl)-1H-imidazol-2-yl)methanol1343085-43-7C9H9N3O
- (4-(Pyridin-3-yl)-1H-imidazol-2-yl)methanol1341946-88-0C9H9N3O
- (4-(Pyridin-4-yl)-1H-imidazol-2-yl)methanol1340145-37-0C9H9N3O
- (2-(Furan-3-yl)pyrimidin-4-yl)methanamine1343660-17-2C9H9N3O
- 1-(3-Amino-1H-indazol-6-yl)ethanone1821028-70-9C9H9N3O
- N-Methylimidazo[1,2-a]pyridine-6-carboxamide1789287-69-9C9H9N3O
- 2,6-Dimethylbenzoyl azide106323-97-1C9H9N3O
- 3-Azido-3-phenylprop-2-en-1-ol192370-01-7C9H9N3O
- 1-Azido-2-[(prop-2-en-1-yl)oxy]benzene55000-07-2C9H9N3O
- 3-Hydrazinylideneisoquinolin-2(3H)-ol60794-57-2C9H9N3O
- 6-Methyl-1H-pyrrolo[2,3-b]pyridine-2-carboxamide1934497-22-9C9H9N3O
- 5-Methyl-1H-pyrrolo[2,3-b]pyridine-2-carboxamide1823921-49-8C9H9N3O
- 4-Amino-1H-indole-6-carboxamide1934510-06-1C9H9N3O
- 3-Amino-5-cyclopropoxyisonicotinonitrile1243454-77-4C9H9N3O
- 2-Amino-4-cyclopropoxynicotinonitrile1243470-24-7C9H9N3O
- 2-Amino-5-cyclopropoxyisonicotinonitrile1243323-20-7C9H9N3O
- 6-Amino-5-cyclopropoxypicolinonitrile1243456-20-3C9H9N3O
- 2-Amino-3-cyclopropoxyisonicotinonitrile1243451-26-4C9H9N3O
- 6-Amino-5-cyclopropoxynicotinonitrile1243404-98-9C9H9N3O
- 5-Amino-4-cyclopropoxynicotinonitrile1243406-45-2C9H9N3O
- 4-Amino-5-cyclopropoxynicotinonitrile1243353-10-7C9H9N3O
- 6-Amino-4-cyclopropoxypicolinonitrile1243472-14-1C9H9N3O
- 6-Amino-3-cyclopropoxypicolinonitrile1243451-66-2C9H9N3O
- 5-Amino-4-cyclopropoxypicolinonitrile1243361-95-6C9H9N3O
- 4-Amino-5-cyclopropoxypicolinonitrile1243414-40-5C9H9N3O
- 3-Amino-5-cyclopropoxypicolinonitrile1243452-17-6C9H9N3O
- 4-Amino-3-cyclopropoxypicolinonitrile1243321-18-7C9H9N3O
- 3-Amino-4-cyclopropoxypicolinonitrile1243468-23-6C9H9N3O
- Benzimidazole, 2-ethyl-1-nitroso-99358-45-9C9H9N3O
- N-(6-Methyl-1H-benzimidazol-5-yl)formamide120209-23-6C9H9N3O
- 4-Methyl-3-(4H-1,2,4-triazol-4-yl)phenol1487992-05-1C9H9N3O
- 2-Amino-1-(1H-indazol-3-yl)ethan-1-one1492668-23-1C9H9N3O
- 5-(4-Methylpyridin-2-yl)-1,2-oxazol-4-amine1780215-38-4C9H9N3O
- 5-(6-Methylpyridin-3-yl)-1,2-oxazol-4-amine1781630-74-7C9H9N3O
- 5-(4-Methylpyridin-3-yl)-1,2-oxazol-4-amine1782181-75-2C9H9N3O
- 5-(6-Methylpyridin-2-yl)-1,2-oxazol-4-amine1784255-00-0C9H9N3O
- 5-(2-Methylpyridin-3-yl)-1,2-oxazol-4-amine1782181-99-0C9H9N3O
- 3-(Aminomethyl)-1,2-dihydro-1,8-naphthyridin-2-one1529040-68-3C9H9N3O
- 2-Amino-1-{imidazo[1,2-a]pyridin-2-yl}ethan-1-one1514833-59-0C9H9N3O
- 2-Amino-1-(1H-indazol-7-yl)ethan-1-one1379986-24-9C9H9N3O
- 1-(3-Methyl-1H-pyrazolo[3,4-b]pyridin-5-yl)ethanone1538006-70-0C9H9N3O
- 1-(2-Methylpyrrolo[2,1-f][1,2,4]triazin-7-yl)ethan-1-one1555382-61-0C9H9N3O
- 2-Amino-1-{pyrazolo[1,5-a]pyridin-3-yl}ethan-1-one1545506-65-7C9H9N3O
- 4-(5-Amino-1H-pyrazol-1-yl)phenol54849-87-5C9H9N3O
- 1-(Pyrrolo[2,1-f][1,2,4]triazin-6-yl)propan-2-one1547004-88-5C9H9N3O
- 1-{Pyrazolo[1,5-a]pyrimidin-2-yl}propan-2-one1557507-28-4C9H9N3O
- 1-{Pyrrolo[2,1-f][1,2,4]triazin-7-yl}propan-2-one1556313-14-4C9H9N3O
Frequently asked questions
What is the molar mass of C9H9N3O?
The molar mass of C9H9N3O is 175.19 g/mol, calculated from standard atomic weights for 9 carbon atoms, 9 hydrogen atoms, 3 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 175.0746 Da.
How many compounds have the formula C9H9N3O?
CompoundList lists 905 compounds with the molecular formula C9H9N3O, including 2H,3H,4H,5H-Pyrido[3,4-f][1,4]oxazepine-9-carbonitrile, 2,7-Dimethylpyrido[2,3-d]pyrimidin-4(3H)-one, 2-Ethylpyrido[2,3-D]pyrimidin-4(3H)-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 C9H9N3O?
C9H9N3O 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.