Molecular formula
C8H9N3O
678 compounds have this formula on CompoundList.
- Molar mass
- 163.18g/mol
- Monoisotopic mass
- 171.1248Da
- Atoms
- 21
- Elements
- 4
- Rings plus double bonds
- 6
The formula C8H9N3O describes a molecule made of 8 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 × 858.88%12.011 × 8 = 96.088 g/mol
- H Hydrogen × 95.56%1.008 × 9 = 9.072 g/mol
- N Nitrogen × 325.75%14.007 × 3 = 42.021 g/mol
- O Oxygen × 19.80%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C8H9N3O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 401 to 500 of 678 compounds
1-Ethyl-1H-1,2,3-benzotriazol-5-ol
CAS 82131-99-5C8H9N3O
![7-Methoxyimidazo[1,2-a]pyridin-3-amine chemical structure, C8H9N3O, CAS 1427399-63-0](/s/HZBOJIQJVQOLMQ-UHFFFAOYSA-N.svg)
7-Methoxyimidazo[1,2-a]pyridin-3-amine
CAS 1427399-63-0C8H9N3O
![2,7-Dimethyl-5,7-dihydro-6H-pyrrolo[2,3-d]pyrimidin-6-one chemical structure, C8H9N3O, CAS 860362-85-2](/s/FZEFPFIFSVHMKK-UHFFFAOYSA-N.svg)
2,7-Dimethyl-5,7-dihydro-6H-pyrrolo[2,3-d]pyrimidin-6-one
CAS 860362-85-2C8H9N3O
![1-Ethyl-1H-imidazo[4,5-c]pyridin-4-ol chemical structure, C8H9N3O, CAS 2138133-91-0](/s/GFBWIENDFCHJFA-UHFFFAOYSA-N.svg)
1-Ethyl-1H-imidazo[4,5-c]pyridin-4-ol
CAS 2138133-91-0C8H9N3O
3-(2-Azidoethyl)phenol
CAS 2228962-12-5C8H9N3O
3-Hydrazinyl-4-methoxyBenzonitrile
CAS 1388036-46-1C8H9N3O
1-Azido-3-ethoxybenzene
CAS 219298-07-4C8H9N3O
![1-(Benzo[c][1,2,5]oxadiazol-4-yl)ethanamine chemical structure, C8H9N3O, CAS 1552266-83-7](/s/SUHNEBNKPFASNT-UHFFFAOYSA-N.svg)
1-(Benzo[c][1,2,5]oxadiazol-4-yl)ethanamine
CAS 1552266-83-7C8H9N3O
![6-Methoxyimidazo[1,5-a]pyridin-3-amine chemical structure, C8H9N3O, CAS 1263060-54-3](/s/FPZGTYKOIKATDP-UHFFFAOYSA-N.svg)
6-Methoxyimidazo[1,5-a]pyridin-3-amine
CAS 1263060-54-3C8H9N3O
![8-Methoxyimidazo[1,5-a]pyridin-3-amine chemical structure, C8H9N3O, CAS 1263059-98-8](/s/GPSYSYPVXKRZNX-UHFFFAOYSA-N.svg)
8-Methoxyimidazo[1,5-a]pyridin-3-amine
CAS 1263059-98-8C8H9N3O
![2-Methyl-2,4,6,7-tetrahydropyrano[4,3-c]pyrazole-3-carbonitrile chemical structure, C8H9N3O, CAS 1780260-13-0](/s/RCSYVWRQLOFQHV-UHFFFAOYSA-N.svg)
2-Methyl-2,4,6,7-tetrahydropyrano[4,3-c]pyrazole-3-carbonitrile
CAS 1780260-13-0C8H9N3O
![2-Ethyl-2,6-dihydro-4H-furo[3,4-c]pyrazole-3-carbonitrile chemical structure, C8H9N3O, CAS 1781562-72-8](/s/ZFHHJYBDNVRJPX-UHFFFAOYSA-N.svg)
2-Ethyl-2,6-dihydro-4H-furo[3,4-c]pyrazole-3-carbonitrile
CAS 1781562-72-8C8H9N3O
2-Isopropoxypyrimidine-5-carbonitrile
CAS 1823962-89-5C8H9N3O
7-Methoxy-1H-indazol-6-amine
CAS 1890415-47-0C8H9N3O
![5-Methoxy-3-methyl-[1,2,4]triazolo[4,3-a]pyridine chemical structure, C8H9N3O, CAS 1892668-41-5](/s/XFGAJEGIGJLFME-UHFFFAOYSA-N.svg)
5-Methoxy-3-methyl-[1,2,4]triazolo[4,3-a]pyridine
CAS 1892668-41-5C8H9N3O
4-Azido-1-methoxy-2-methylbenzene
CAS 2230882-59-2C8H9N3O
1-(2-Pyrimidinyl)-3-azetidinecarboxaldehyde
CAS 1554392-29-8C8H9N3O
2-Amino-6-methoxy-4-methyl-3-pyridinecarbonitrile
CAS 1817727-74-4C8H9N3O
3-Amino-1,2-benzisoxazole-7-methanamine
CAS 1145680-41-6C8H9N3O
2-Amino-6-ethoxy-3-pyridinecarbonitrile
CAS 1384985-48-1C8H9N3O
6-(Ethoxymethyl)pyrimidine-4-carbonitrile
CAS 2098076-18-5C8H9N3O
6-(Methoxymethyl)-2-methylpyrimidine-4-carbonitrile
CAS 2098026-78-7C8H9N3O
3-(4-Acetyl-1H-pyrazol-1-yl)propanenitrile
CAS 2098071-61-3C8H9N3O
![3-[2-(Aminomethyl)pyrimidin-5-yl]prop-2-yn-1-ol chemical structure, C8H9N3O, CAS 2098041-70-2](/s/ADAJDVNFVHOUHZ-UHFFFAOYSA-N.svg)
3-[2-(Aminomethyl)pyrimidin-5-yl]prop-2-yn-1-ol
CAS 2098041-70-2C8H9N3O
- 3-(4-Methoxypyrimidin-2-yl)prop-2-yn-1-amine2097988-57-1C8H9N3O
- 6-(3-Methoxyprop-1-yn-1-yl)pyridazin-3-amine2098153-65-0C8H9N3O
- 4-(6-Aminopyridazin-3-yl)but-3-yn-1-ol2098003-50-8C8H9N3O
- 4-(6-Aminopyridazin-3-yl)but-3-yn-2-ol2098047-82-4C8H9N3O
- 8-Methoxy-2-methylimidazo[1,2-a]pyrazine2411637-28-8C8H9N3O
- 2-[(6-Ethynylpyrimidin-4-yl)amino]ethan-1-ol2098134-96-2C8H9N3O
- N-(Pyrazin-2-ylmethyl)prop-2-enamide2022665-10-5C8H9N3O
- 1-(4-Azidophenyl)ethan-1-ol1134435-73-6C8H9N3O
- 1,2,3,6-Tetrahydro-2-oxo-1-(2-propen-1-yl)-5-pyrimidinecarbonitrile3325-20-0C8H9N3O
- 6-Methoxy-5-methyl[1,2,4]triazolo[4,3-a]pyridine1427366-65-1C8H9N3O
- N-[2-(1H-Pyrazol-1-yl)ethyl]prop-2-ynamide1864921-33-4C8H9N3O
- 4-(Aminomethyl)-1H-pyrrolo[2,3-b]pyridin-2-ol1949836-69-4C8H9N3O
- 6-Amino-3-ethoxypicolinonitrile2222959-60-4C8H9N3O
- 2,3-Dimethylpyrazolo[1,5-a]pyrimidin-5-ol1564632-30-9C8H9N3O
- N-[(E)-Amino(anilino)methylidene]formamide830328-60-4C8H9N3O
- 2,5-Dimethyl-pyrazolo[1,5-c]pyrimidin-7(6H)-one35833-94-4C8H9N3O
- 3-Ethylpyrazolo[1,5-a]pyrimidin-5-ol1565067-21-1C8H9N3O
- 3,7-Dimethylpyrazolo[1,5-a]pyrimidin-5-ol1566990-71-3C8H9N3O
- 1-(4-Pyridinyl)-3-pyrazolidinone1752-90-5C8H9N3O
- 5-Methoxy-2-methylimidazo[1,2-a]pyrazine2411637-78-8C8H9N3O
- 5-(Pyrazin-2-yl)pyrrolidin-2-one2357546-05-3C8H9N3O
- 2-(2-Azidoethyl)phenol2229580-31-6C8H9N3O
- 1-Azido-3-methoxy-2-methylbenzene2648961-05-9C8H9N3O
- 3-(4-Hydroxy-1H-pyrazol-1-yl)cyclobutane-1-carbonitrile2612300-96-4C8H9N3O
- 4-(2-Isocyanatopropan-2-yl)pyrimidine2640497-52-3C8H9N3O
- 3-Methyl-3H-imidazo[4,5-b]pyridine-5-methanol2416864-17-8C8H9N3O
- 1H-Indol-2-ol, 5,6-diamino-2140316-17-0C8H9N3O
- 5-Isopropoxypyrimidine-2-carbonitrile2114281-27-3C8H9N3O
- 4-Methoxy-5-(prop-1-yn-1-yl)pyrimidin-2-amine2606578-73-6C8H9N3O
- 7-Amino-3,4-dihydro-1,5-naphthyridin-2(1H)-one3106306-49-1C8H9N3O
- 3,6-Dimethylimidazo[1,2-c]pyrimidin-5(6H)-one57491-48-2C8H9N3O
- 2,3-Dihydro-1H-pyrrolo[3,2-c]pyridine-7-carboxamide84646-50-4C8H9N3O
- 2-Methoxy-1-methyl-1H-imidazo[4,5-c]pyridine61078-17-9C8H9N3O
- 4-Amino-2-methyl-1H-benzo[d]imidazol-5-ol757153-87-0C8H9N3O
- (1-Methyl-1H-benzo[d][1,2,3]triazol-6-yl)methanol120321-73-5C8H9N3O
- 3,5-Dimethyl-1H-pyrazolo[4,3-B]pyridin-7-ol35592-56-4C8H9N3O
- 1H-Pyrrolo[2,3-b]pyridin-5-amine, 3-methoxy-1186502-72-6C8H9N3O
- 2,3-Dihydroimidazo[1,2-a]pyridine-3-carboxamide704865-64-5C8H9N3O
- 5-Cyano-1-methyl-2H-pyridine-3-carboxamide15831-41-1C8H9N3O
- 5-Cyano-1-methyl-4H-pyridine-3-carboxamide15831-40-0C8H9N3O
- 3-Cyano-1-methyl-2H-pyridine-5-carboxamide15731-91-6C8H9N3O
- 1-(1,4-Dihydropyrrolo[3,4-d]pyridazin-6-yl)ethanone186746-81-6C8H9N3O
- 8-Methyl-7,8-dihydropyrido[2,3-d]pyrimidin-5(6H)-one625105-34-2C8H9N3O
- 6-Methoxy-1-methyl-1H-benzo[d][1,2,3]triazole213118-60-6C8H9N3O
- 2-(Aminomethyl)-1H-benzo[d]imidazol-4-ol933747-87-6C8H9N3O
- 5,6-Diamino-1H-indol-1-ol877469-90-4C8H9N3O
- 4-Methoxy-1H-pyrrolo[3,2-c]pyridin-3-amine1190314-21-6C8H9N3O
- 4-Methoxy-1H-pyrrolo[2,3-b]pyridin-3-amine1190311-02-4C8H9N3O
- 6-Methoxy-1H-pyrrolo[2,3-b]pyridin-3-amine1190318-97-8C8H9N3O
- 3-(1,3-Dimethyl-1H-pyrazol-5-yl)-3-oxopropanenitrile130371-63-0C8H9N3O
- 3-(1,5-Dimethyl-1H-pyrazol-3-yl)-3-oxopropanenitrile130397-49-8C8H9N3O
- 6-Methoxy-3-methyl-1H-pyrazolo[4,3-b]pyridine1314960-63-8C8H9N3O
- (2-Methyl-5H-pyrrolo[2,3-b]pyrazin-7-yl)methanol1956334-65-8C8H9N3O
- (2-Amino-1H-benzo[d]imidazol-7-yl)methanol1379361-20-2C8H9N3O
- 2-(2-Aminoethoxy)isonicotinonitrile1249298-16-5C8H9N3O
- 1H-Pyrrolo[2,3-b]pyridine-2-methanol, 5-amino-1186502-49-7C8H9N3O
- 1-Diazonio-4-(1H-pyrrol-1-yl)but-1-en-2-olate89059-07-4C8H9N3O
- N'-(4-Methylphenyl)-N-oxomethanehydrazonamide24621-52-1C8H9N3O
- 2-Hydrazinylidene-N-phenylacetamide668418-24-4C8H9N3O
- 2-Cyano-1-methyl-2H-pyridine-5-carboxamide101257-99-2C8H9N3O
- 2-Methoxy-4,6-dimethylpyrimidine-5-carbonitrile1823882-20-7C8H9N3O
- 6-(Aminomethyl)-1,3-dihydro-2H-pyrrolo[3,2-C]pyridin-2-one1260664-01-4C8H9N3O
- 2-(Aminomethyl)-6-methoxyisonicotinonitrile1393546-70-7C8H9N3O
- 2-(2-Aminoethyl)-6-hydroxyisonicotinonitrile1393551-14-8C8H9N3O
- 3,6-Dimethylpyrazolo[1,5-a]pyrimidin-7(1H)-one90223-07-7C8H9N3O
- 5,7-Diamino-1,3-dihydroindol-2-one739317-34-1C8H9N3O
- 4-(Pyrazin-2-yl)pyrrolidin-2-one1824106-69-5C8H9N3O
- 6-Methoxy-1H-benzimidazol-4-amine101257-95-8C8H9N3O
- (2-Methyl-[1,2,4]triazolo[1,5-a]pyridin-6-yl)methanol1823336-60-2C8H9N3O
- 2,6-Dimethylfuro[2,3-d]pyrimidin-4-amine25709-94-8C8H9N3O
- 2-{Pyrazolo[1,5-a]pyrimidin-6-yl}ethan-1-ol1542984-55-3C8H9N3O
- N-({Imidazo[1,2-a]pyridin-3-yl}methyl)hydroxylamine1504666-63-0C8H9N3O
- N-[(1H-Indazol-7-yl)methyl]hydroxylamine1502974-79-9C8H9N3O
- N-[(1H-Indazol-3-yl)methyl]hydroxylamine1533032-78-8C8H9N3O
- N-[(1H-1,3-Benzodiazol-5-yl)methyl]hydroxylamine1503713-99-2C8H9N3O
- O-({Imidazo[1,2-a]pyridin-3-yl}methyl)hydroxylamine1520707-37-2C8H9N3O
Frequently asked questions
What is the molar mass of C8H9N3O?
The molar mass of C8H9N3O is 163.18 g/mol, calculated from standard atomic weights for 8 carbon atoms, 9 hydrogen atoms, 3 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 171.1248 Da.
How many compounds have the formula C8H9N3O?
CompoundList lists 678 compounds with the molecular formula C8H9N3O, including 1-Ethyl-1H-1,2,3-benzotriazol-5-ol, 7-Methoxyimidazo[1,2-a]pyridin-3-amine, 2,7-Dimethyl-5,7-dihydro-6H-pyrrolo[2,3-d]pyrimidin-6-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 C8H9N3O?
C8H9N3O has a degree of unsaturation of 6. 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.