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 201 to 300 of 678 compounds
![2-Methoxypyrazolo[1,5-a]pyridin-3-amine chemical structure, C8H9N3O, CAS 136548-56-6](/s/KDBQTUWPGHGAJO-UHFFFAOYSA-N.svg)
2-Methoxypyrazolo[1,5-a]pyridin-3-amine
CAS 136548-56-6C8H9N3O
6-Methyl-4-(methylamino)-2-oxo-1,2-dihydropyridine-3-carbonitrile
CAS 582300-61-6C8H9N3O
![1H-Imidazo[4,5-b]pyridin-7-ol, 2,5-dimethyl- chemical structure, C8H9N3O, CAS 79899-03-9](/s/WYQGXMTWEPMNJD-UHFFFAOYSA-N.svg)
1H-Imidazo[4,5-b]pyridin-7-ol, 2,5-dimethyl-
CAS 79899-03-9C8H9N3O
Isoxazole, 5-methyl-3-(5-methyl-1H-pyrazol-3-yl)-(9CI)
CAS 35592-90-6C8H9N3O
1-Methyl-4-(methylamino)-2-oxo-1,2-dihydropyridine-3-carbonitrile
CAS 62617-41-8C8H9N3O
![3,7-Dimethyl-1,3-dihydro-imidazo[4,5-b]pyridin-2-one chemical structure, C8H9N3O, CAS 155789-91-6](/s/XPXXCHDIAQVZQN-UHFFFAOYSA-N.svg)
3,7-Dimethyl-1,3-dihydro-imidazo[4,5-b]pyridin-2-one
CAS 155789-91-6C8H9N3O
2-Amino-1,4-dimethyl-6-oxo-1,6-dihydropyridine-3-carbonitrile
CAS 35247-01-9C8H9N3O
6-(2-Hydroxyethylamino)nicotinonitrile
CAS 252954-50-0C8H9N3O
![5-Methoxy-3-methyl-3H-imidazo[4,5-b]pyridine chemical structure, C8H9N3O, CAS 2243949-74-6](/s/CPMDZJPFNOUVNI-UHFFFAOYSA-N.svg)
5-Methoxy-3-methyl-3H-imidazo[4,5-b]pyridine
CAS 2243949-74-6C8H9N3O
3-(2-Methylfuran-3-yl)-1H-pyrazol-5-amine
CAS 1028843-04-0C8H9N3O
6-Methoxy-1H-indazol-4-amine
CAS 1000341-20-7C8H9N3O
3-(1-Ethyl-1H-pyrazol-4-yl)-3-oxopropanenitrile
CAS 1017502-37-2C8H9N3O
![1-(Imidazo[1,2-a]pyrimidin-3-yl)ethanol chemical structure, C8H9N3O, CAS 453548-58-8](/s/YOWJORGUWPKADL-UHFFFAOYSA-N.svg)
1-(Imidazo[1,2-a]pyrimidin-3-yl)ethanol
CAS 453548-58-8C8H9N3O
4-Hydrazino-2-methoxy-benzonitrile
CAS 1023795-48-3C8H9N3O
![4-Ethoxy-7H-pyrrolo[2,3-d]pyrimidine chemical structure, C8H9N3O, CAS 1309430-77-0](/s/KPSBLSBABRIUJP-UHFFFAOYSA-N.svg)
4-Ethoxy-7H-pyrrolo[2,3-d]pyrimidine
CAS 1309430-77-0C8H9N3O
1-Methyl-N-(prop-2-yn-1-yl)-1H-pyrazole-4-carboxamide
CAS 1247555-55-0C8H9N3O
5-Amino-2-ethoxypyridine-3-carbonitrile
CAS 1184148-75-1C8H9N3O
1-Methyl-5-amino-1H-indazole-3-ol
CAS 927435-46-9C8H9N3O
![6-Amino-2-methyl-1H-benzo[d]imidazol-4-ol chemical structure, C8H9N3O, CAS 101257-96-9](/s/LPELZFBXJNDLTQ-UHFFFAOYSA-N.svg)
6-Amino-2-methyl-1H-benzo[d]imidazol-4-ol
CAS 101257-96-9C8H9N3O
![2-(Aminomethyl)imidazo[1,2-a]pyridin-8-ol chemical structure, C8H9N3O, CAS 1216077-58-5](/s/BLXYZRWRVMZKKB-UHFFFAOYSA-N.svg)
2-(Aminomethyl)imidazo[1,2-a]pyridin-8-ol
CAS 1216077-58-5C8H9N3O
2-(5-Amino-4-methyl-2-oxo-1,2-dihydropyridin-1-yl)acetonitrile
CAS 1522646-03-2C8H9N3O
3-(1-Methyl-1H-pyrrol-2-yl)-1,2-oxazol-5-amine
CAS 1504737-05-6C8H9N3O
![(7-Methyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl)methanol chemical structure, C8H9N3O, CAS 1638760-88-9](/s/AVERXDJETHETQV-UHFFFAOYSA-N.svg)
(7-Methyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl)methanol
CAS 1638760-88-9C8H9N3O
1-Azido-4-methoxy-2-methylbenzene
CAS 1824322-81-7C8H9N3O
- 1-(Prop-2-yn-1-yl)-1H,4H,6H,7H-pyrano[3,4-d][1,2,3]triazole2098032-52-9C8H9N3O
- 4-Methoxypyrazolo[1,5-a]pyridin-5-amine2097329-63-8C8H9N3O
- 6,7-Dimethylpyrazolo[1,5-a]pyrimidin-5-ol1567108-76-2C8H9N3O
- 1,7-Dihydro-1,4-dimethyl-6H-pyrazolo[3,4-b]pyridin-6-one74891-78-4C8H9N3O
- 5-Ethoxy-[1,2,4]triazolo[4,3-a]pyridine66999-66-4C8H9N3O
- 2-Hydroxy-1-phenylethyl azide67464-41-9C8H9N3O
- Acetic acid, 2-(2-pyridinylmethylene)hydrazide101259-13-6C8H9N3O
- N-Pyrimidin-2-ylcyclopropanecarboxamide14372-20-4C8H9N3O
- (2-Methylaziridin-1-yl)(pyrazin-2-yl)methanone343332-36-5C8H9N3O
- 2,6-Dimethylimidazo[1,5-a]pyrimidin-4(1H)-one79899-01-7C8H9N3O
- 1-(Methylamino)-1H-benzo[d]imidazol-2(3H)-one102616-94-4C8H9N3O
- 3-(Hydrazinylmethyl)benzo[d]isoxazole131074-12-9C8H9N3O
- 3,5-Dimethyl-1,3-dihydro-imidazo[4,5-b]pyridin-2-one155789-89-2C8H9N3O
- 3,6-Dimethyl-1,3-dihydro-imidazo[4,5-b]pyridin-2-one155789-90-5C8H9N3O
- (5-Methylpyrazolo[1,5-a]pyrimidin-3-yl)methanol1263060-50-9C8H9N3O
- 2,5-Dimethylfuro[2,3-d]pyrimidin-4-amine1369247-36-8C8H9N3O
- 2-(2-Hydroxyethyl)imidazo[1,2-a]pyrimidine193683-64-6C8H9N3O
- 1-(Benzo[c][1,2,5]oxadiazol-5-yl)-N-methylmethanamine915921-29-8C8H9N3O
- 3-(Furan-3-yl)-4-methyl-1H-pyrazol-5-amine1311185-34-8C8H9N3O
- 1-(2-Cyanoethyl)-1H-pyrrole-2-carboxamide129053-93-6C8H9N3O
- 2,3-Dihydroimidazo[1,2-a]pyridine-8-carboxamide67680-61-9C8H9N3O
- 7-(Methoxymethyl)imidazo[1,2-a]pyrimidine462651-84-9C8H9N3O
- 1-Ethyl-1H-imidazo[4,5-b]pyridin-2(3H)-one448211-19-6C8H9N3O
- 5-Methoxy-1H-pyrrolo[2,3-b]pyridin-3-amine1190322-20-3C8H9N3O
- 7-Methoxy-1H-pyrrolo[3,2-b]pyridin-3-amine1116136-58-3C8H9N3O
- 5,6,7,8-Tetrahydropyrido[4,3-D]pyrimidine-2-carbaldehyde944902-58-3C8H9N3O
- 1 suppliers1,3,4,5-Tetrahydro-2H-pyrido[2,3-e][1,4]diazepin-2-one1082769-38-7C8H9N3O
- (2-Methyl[1,2,4]triazolo[1,5-a]pyridin-8-yl)methanol1079992-63-4C8H9N3O
- 2-Methyl-N-(pyrazin-2-yl)prop-2-enamide40000-75-7C8H9N3O
- 6-Amino-2-methoxy-4-methyl-3-pyridinecarbonitrile51561-23-0C8H9N3O
- 1-Azido-3-(methoxymethyl)benzene1249333-98-9C8H9N3O
- 4-(Pyrimidin-4-yl)pyrrolidin-2-one1479935-35-7C8H9N3O
- 2-Cyclopropylpyrimidine-5-carboxamide1447607-18-2C8H9N3O
- O-(Imidazo[1,2-a]pyridin-2-ylmethyl)hydroxylamine1510592-05-8C8H9N3O
- 2-Methyl-3-(1-methyl-1H-pyrazol-4-yl)-3-oxopropanenitrile1414571-72-4C8H9N3O
- 5-(Aminomethyl)benzo[d]oxazol-2-amine1781019-20-2C8H9N3O
- 1-(Pyrimidin-5-yl)pyrrolidin-2-one945029-97-0C8H9N3O
- [1,2,4]Triazolo[1,5-a]pyridine, 7-methoxy-2-methyl-1250444-40-6C8H9N3O
- 2-(3-Amino-2-oxo-1,2-dihydropyridin-1-yl)propanenitrile1614217-71-8C8H9N3O
- 6-(Aminomethyl)-3-methoxypicolinonitrile1956379-91-1C8H9N3O
- 6-Amino-4-ethoxynicotinonitrile1708974-05-3C8H9N3O
- (6-Methyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl)methanol1638760-50-5C8H9N3O
- (6-Methyl-7H-pyrrolo[2,3-d]pyrimidin-2-yl)methanol1638760-89-0C8H9N3O
- (7-Methyl-7H-pyrrolo[2,3-d]pyrimidin-6-yl)methanol1638767-80-2C8H9N3O
- (5-Methyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl)methanol1638768-24-7C8H9N3O
- 1-Ethyl-1H-imidazo[1,2-b]pyrazole-6-carbaldehyde2092531-69-4C8H9N3O
- 6-Methoxypyrazolo[1,5-A]pyridin-5-amine1951428-34-4C8H9N3O
- 5-Acetyl-2-ethyl-3H-imidazole-4-carbonitrile1378574-88-9C8H9N3O
- 2-(Azetidin-1-yl)pyrimidine-5-carbaldehyde1881638-00-1C8H9N3O
- 4-Ethyl-6-hydroxy-2-methylpyrimidine-5-carbonitrile64929-23-3C8H9N3O
- 2-Ethyl-3H,4H,7H-pyrrolo[2,3-d]pyrimidin-4-one90223-08-8C8H9N3O
- 6-Ethoxy-5H-pyrrolo[3,2-d]pyrimidine2227-83-0C8H9N3O
- 3-(Methoxymethyl)imidazo[1,5-a]pyrazine55316-45-5C8H9N3O
- (E)-N-Methyl-2-phenyldiazene-1-carboxamide65119-22-4C8H9N3O
- N-Cyclopropylpyrazine-2-carboxamide550307-04-5C8H9N3O
- Acetic acid, 2-(4-pyridinylmethylene)hydrazide101257-93-6C8H9N3O
- 2-Methyl-5-(1-methyl-5-imidazolyl)oxazole2224491-46-5C8H9N3O
- 1-(1H-Imidazo[4,5-b]pyridin-2-yl)ethanol250651-52-6C8H9N3O
- 1,5-Dimethyl-1,3-dihydro-imidazo[4,5-b]pyridin-2-one155789-86-9C8H9N3O
- (1-Methyl-1H-benzo[d][1,2,3]triazol-7-yl)methanol120321-68-8C8H9N3O
- 6,7-Dimethylimidazo[1,2-a]pyrimidin-5(8H)-one39567-77-6C8H9N3O
- 3-Amino-3,4-dihydro-1,7-naphthyridin-2(1H)-one600157-70-8C8H9N3O
- (5-Methyl-1H-imidazo[4,5-b]pyridin-2-yl)methanol954218-99-6C8H9N3O
- 6-Amino-2-methylaminobenzoxazole288151-84-8C8H9N3O
- 2-Oxo-1(2H)-pyrimidinebutanenitrile1017028-19-1C8H9N3O
- 5-Amino-4-methyl-1H-benzo[d]imidazol-2(3H)-one72735-27-4C8H9N3O
- 4-Acetyl-3-amino-5-methyl-1H-pyrrole-2-carbonitrile129305-87-9C8H9N3O
- N,N-Dimethyloxazolo[4,5-b]pyridin-2-amine652143-61-8C8H9N3O
- 1-(Imidazo[1,2-a]pyrimidin-7-yl)ethanol462651-76-9C8H9N3O
- 3-((1H-Pyrazol-1-yl)methyl)-5-methylisoxazole172475-36-4C8H9N3O
- (2-Methylpyrazolo[1,5-A]pyrimidin-3-yl)methanol1159983-06-8C8H9N3O
- 6-Methoxy-1H-pyrrolo[3,2-b]pyridin-3-amine1190316-76-7C8H9N3O
- 6-Methoxy-1H-pyrrolo[3,2-c]pyridin-3-amine1190315-66-2C8H9N3O
- N-(4,5-Dihydro-1,3-oxazol-2-yl)pyridin-3-amine793695-32-6C8H9N3O
- 6-(2-Aminoethoxy)pyridine-3-carbonitrile1247044-67-2C8H9N3O
- (3R)-3-Amino-3-(2-oxo-1,2-dihydropyridin-3-yl)propanenitrile1213319-68-6C8H9N3O
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 2-Methoxypyrazolo[1,5-a]pyridin-3-amine, 6-Methyl-4-(methylamino)-2-oxo-1,2-dihydropyridine-3-carbonitrile, 1H-Imidazo[4,5-b]pyridin-7-ol, 2,5-dimethyl-. 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.