CompoundList
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 101 to 200 of 905 compounds

1-(1H,2H,3H-Pyrazolo(1,5-a)imidazol-1-yl)but-2-yn-1-one chemical structure, C9H9N3O, CAS 1864921-78-7
1-(1H,2H,3H-Pyrazolo(1,5-a)imidazol-1-yl)but-2-yn-1-one
CAS 1864921-78-7C9H9N3O
3-Ethynyl-5-methyl-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazin-4-one chemical structure, C9H9N3O, CAS 2995297-71-5
3-Ethynyl-5-methyl-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazin-4-one
CAS 2995297-71-5C9H9N3O
2-Cyano-N-(pyridin-4-ylmethyl)acetamide chemical structure, C9H9N3O, CAS 15029-28-4
2-Cyano-N-(pyridin-4-ylmethyl)acetamide
CAS 15029-28-4C9H9N3O
N-(3-Methylquinoxalin-2-yl)hydroxylamine chemical structure, C9H9N3O, CAS 23468-79-3
N-(3-Methylquinoxalin-2-yl)hydroxylamine
CAS 23468-79-3C9H9N3O
1-(1H-1,2,3-Benzotriazol-1-yl)acetone chemical structure, C9H9N3O, CAS 16219-51-5
1-(1H-1,2,3-Benzotriazol-1-yl)acetone
CAS 16219-51-5C9H9N3O
5-(3-Methylphenyl)-1,3,4-oxadiazol-2-amine chemical structure, C9H9N3O, CAS 109060-64-2
5-(3-Methylphenyl)-1,3,4-oxadiazol-2-amine
CAS 109060-64-2C9H9N3O
2-Methyl-1H-benzo[d]imidazole-4-carboxamide chemical structure, C9H9N3O, CAS 181135-47-7
2-Methyl-1H-benzo[d]imidazole-4-carboxamide
CAS 181135-47-7C9H9N3O
7-Amino-4-methyl-1,8-naphthyridin-2-ol chemical structure, C9H9N3O, CAS 1569-15-9
7-Amino-4-methyl-1,8-naphthyridin-2-ol
CAS 1569-15-9C9H9N3O
(1H-Pyrazol-4-yl)(pyridin-3-yl)methanol chemical structure, C9H9N3O, CAS 1933583-28-8
(1H-Pyrazol-4-yl)(pyridin-3-yl)methanol
CAS 1933583-28-8C9H9N3O
3-(Methylamino)quinazolin-4(3H)-one chemical structure, C9H9N3O, CAS 60512-86-9
3-(Methylamino)quinazolin-4(3H)-one
CAS 60512-86-9C9H9N3O
N-(6-Aminopyridin-3-yl)but-2-ynamide chemical structure, C9H9N3O, CAS 1702073-35-5
N-(6-Aminopyridin-3-yl)but-2-ynamide
CAS 1702073-35-5C9H9N3O
4-Methyl-5-(pyridin-2-yl)-1,3-oxazol-2-amine chemical structure, C9H9N3O, CAS 1903522-38-2
4-Methyl-5-(pyridin-2-yl)-1,3-oxazol-2-amine
CAS 1903522-38-2C9H9N3O
4-Methyl-5-(pyridin-3-yl)-1,3-oxazol-2-amine chemical structure, C9H9N3O, CAS 1903701-61-0
4-Methyl-5-(pyridin-3-yl)-1,3-oxazol-2-amine
CAS 1903701-61-0C9H9N3O
4-Methyl-5-(pyridin-4-yl)-1,3-oxazol-2-amine chemical structure, C9H9N3O, CAS 1903307-83-4
4-Methyl-5-(pyridin-4-yl)-1,3-oxazol-2-amine
CAS 1903307-83-4C9H9N3O
3-[Nitroso(phenyl)amino]propanenitrile chemical structure, C9H9N3O, CAS 55919-60-3
3-[Nitroso(phenyl)amino]propanenitrile
CAS 55919-60-3C9H9N3O
N-Nitroso-N-(p-cyanobenzyl)methylamine chemical structure, C9H9N3O, CAS 84174-23-2
N-Nitroso-N-(p-cyanobenzyl)methylamine
CAS 84174-23-2C9H9N3O
1-(5-Phenyl-1,3,4-oxadiazol-2-yl)methanamine chemical structure, C9H9N3O, CAS 46182-58-5
1-(5-Phenyl-1,3,4-oxadiazol-2-yl)methanamine
CAS 46182-58-5C9H9N3O
5-(4-Methoxyphenyl)-1H-1,2,3-triazole chemical structure, C9H9N3O, CAS 5301-97-3
5-(4-Methoxyphenyl)-1H-1,2,3-triazole
CAS 5301-97-3C9H9N3O
1-(3-Pyridin-3-ylisoxazol-5-yl)methanamine chemical structure, C9H9N3O, CAS 543713-43-5
1-(3-Pyridin-3-ylisoxazol-5-yl)methanamine
CAS 543713-43-5C9H9N3O
1,2,4-Triazin-6(1H)-one, 4,5-dihydro-4-phenyl- chemical structure, C9H9N3O, CAS 312282-31-8
1,2,4-Triazin-6(1H)-one, 4,5-dihydro-4-phenyl-
CAS 312282-31-8C9H9N3O
3-Amino-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one chemical structure, C9H9N3O, CAS 572879-99-3
3-Amino-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
CAS 572879-99-3C9H9N3O
2-Amino-5-methyl-3H-quinazolin-4-one chemical structure, C9H9N3O, CAS 50440-84-1
2-Amino-5-methyl-3H-quinazolin-4-one
CAS 50440-84-1C9H9N3O
3-Cyclopropyl-1,3-dihydro-imidazo[4,5-b]pyridin-2-one chemical structure, C9H9N3O, CAS 380605-23-2
3-Cyclopropyl-1,3-dihydro-imidazo[4,5-b]pyridin-2-one
CAS 380605-23-2C9H9N3O
2-(Imidazo[1,2-a]pyridin-2-yl)acetamide chemical structure, C9H9N3O, CAS 21755-36-2
2-(Imidazo[1,2-a]pyridin-2-yl)acetamide
CAS 21755-36-2C9H9N3O

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 1-(1H,2H,3H-Pyrazolo(1,5-a)imidazol-1-yl)but-2-yn-1-one, 3-Ethynyl-5-methyl-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazin-4-one, 2-Cyano-N-(pyridin-4-ylmethyl)acetamide. 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.