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Molecular formula

C12H9N5

56 compounds have this formula on CompoundList.

Molar mass
223.24g/mol
Monoisotopic mass
223.0858Da
Atoms
26
Elements
3
Rings plus double bonds
11

The formula C12H9N5 describes a molecule made of 12 carbon atoms, 9 hydrogen atoms and 5 nitrogen atoms. 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 × 1264.56%
    12.011 × 12 = 144.132 g/mol
  • H Hydrogen × 94.06%
    1.008 × 9 = 9.072 g/mol
  • N Nitrogen × 531.37%
    14.007 × 5 = 70.035 g/mol
Look up another formula

Compounds with the formula C12H9N5

Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.

Showing 1 to 56 of 56 compounds

2-(3-(Pyridin-4-yl)-1H-1,2,4-triazol-5-yl)pyridine chemical structure, C12H9N5, CAS 36770-50-0
2-(3-(Pyridin-4-yl)-1H-1,2,4-triazol-5-yl)pyridine
CAS 36770-50-0C12H9N5
5-Amino-4-cyano-1-phenyl-1H-pyrazole-3-acetonitrile chemical structure, C12H9N5, CAS 7152-40-1
5-Amino-4-cyano-1-phenyl-1H-pyrazole-3-acetonitrile
CAS 7152-40-1C12H9N5
2-(3-(2-Pyridinyl)-1H-1,2,4-triazol-5-yl)pyridine chemical structure, C12H9N5, CAS 1671-85-8
2-(3-(2-Pyridinyl)-1H-1,2,4-triazol-5-yl)pyridine
CAS 1671-85-8C12H9N5
4,4'-(1H-1,2,4-Triazole-3,5-diyl)bis(pyridine) chemical structure, C12H9N5, CAS 4329-78-6
4,4'-(1H-1,2,4-Triazole-3,5-diyl)bis(pyridine)
CAS 4329-78-6C12H9N5
3-(2-Phenyl-5-tetrazolyl)pyridine chemical structure, C12H9N5, CAS 70027-16-6
3-(2-Phenyl-5-tetrazolyl)pyridine
CAS 70027-16-6C12H9N5
2-(5-Phenyl-tetrazol-1-yl)-pyridine chemical structure, C12H9N5, CAS 5454-05-7
2-(5-Phenyl-tetrazol-1-yl)-pyridine
CAS 5454-05-7C12H9N5
3-(3-Pyridin-3-yl-1H-1,2,4-triazol-5-yl)pyridine chemical structure, C12H9N5, CAS 58248-44-5
3-(3-Pyridin-3-yl-1H-1,2,4-triazol-5-yl)pyridine
CAS 58248-44-5C12H9N5
2-[3-(3-Pyridinyl)-1H-1,2,4-triazol-5-yl]pyridine chemical structure, C12H9N5, CAS 36770-49-7
2-[3-(3-Pyridinyl)-1H-1,2,4-triazol-5-yl]pyridine
CAS 36770-49-7C12H9N5
3-[3-(4-Pyridinyl)-1H-1,2,4-triazol-5-yl]pyridine chemical structure, C12H9N5, CAS 36770-51-1
3-[3-(4-Pyridinyl)-1H-1,2,4-triazol-5-yl]pyridine
CAS 36770-51-1C12H9N5
5-Methyl-3-pyridin-4-yl-pyrido(3,4-e)(1,2,4)triazine chemical structure, C12H9N5, CAS 121845-75-8
5-Methyl-3-pyridin-4-yl-pyrido(3,4-e)(1,2,4)triazine
CAS 121845-75-8C12H9N5
4-Pteridinamine, 7-phenyl- chemical structure, C12H9N5, CAS 73384-11-9
4-Pteridinamine, 7-phenyl-
CAS 73384-11-9C12H9N5
2-(5-Phenyl-1H-1,2,4-triazol-3-yl)pyrazine chemical structure, C12H9N5, CAS 159053-03-9
2-(5-Phenyl-1H-1,2,4-triazol-3-yl)pyrazine
CAS 159053-03-9C12H9N5
3-(1-Pyridin-3-yl-1H-[1,2,3]triazol-4-yl)-pyridine chemical structure, C12H9N5, CAS 1215004-87-7
3-(1-Pyridin-3-yl-1H-[1,2,3]triazol-4-yl)-pyridine
CAS 1215004-87-7C12H9N5
2-(2-Phenyl-2H-tetrazol-5-yl)pyridine chemical structure, C12H9N5, CAS 507270-06-6
2-(2-Phenyl-2H-tetrazol-5-yl)pyridine
CAS 507270-06-6C12H9N5
1H-Naphth(1,2-d)imidazole, 2-azido-1-methyl- chemical structure, C12H9N5, CAS 95389-75-6
1H-Naphth(1,2-d)imidazole, 2-azido-1-methyl-
CAS 95389-75-6C12H9N5
11H-1,2,4-Triazolo(4',3':2,3)pyridazino(4,5-b)indole, 3-methyl- chemical structure, C12H9N5, CAS 74378-08-8
11H-1,2,4-Triazolo(4',3':2,3)pyridazino(4,5-b)indole, 3-methyl-
CAS 74378-08-8C12H9N5
2-Azido-3-methylnaphtho(1,2-d)imidazole chemical structure, C12H9N5, CAS 1516-71-8
2-Azido-3-methylnaphtho(1,2-d)imidazole
CAS 1516-71-8C12H9N5
N-(6-Quinolinylmethylene)-4H-1,2,4-triazol-4-amine chemical structure, C12H9N5, CAS 302582-48-5
N-(6-Quinolinylmethylene)-4H-1,2,4-triazol-4-amine
CAS 302582-48-5C12H9N5
4-(5-Phenyl-1H-tetraazol-1-yl)pyridine chemical structure, C12H9N5, CAS 57761-77-0
4-(5-Phenyl-1H-tetraazol-1-yl)pyridine
CAS 57761-77-0C12H9N5
5-Amino-1-[4-(cyanomethyl)phenyl]-1H-imidazole-4-carbonitrile chemical structure, C12H9N5, CAS 551921-60-9
5-Amino-1-[4-(cyanomethyl)phenyl]-1H-imidazole-4-carbonitrile
CAS 551921-60-9C12H9N5
3-Methyl-11H-[1,2,4]triazolo[3',4':6,1]pyrimido[5,4-b]indole chemical structure, C12H9N5, CAS 107401-06-9
3-Methyl-11H-[1,2,4]triazolo[3',4':6,1]pyrimido[5,4-b]indole
CAS 107401-06-9C12H9N5
7-Pyridin-4-yl-pyrido[2,3-d]pyrimidin-2-ylamine chemical structure, C12H9N5, CAS 37562-47-3
7-Pyridin-4-yl-pyrido[2,3-d]pyrimidin-2-ylamine
CAS 37562-47-3C12H9N5
6-Quinoxalin-6-ylpyrimidin-4-amine chemical structure, C12H9N5, CAS 852062-32-9
6-Quinoxalin-6-ylpyrimidin-4-amine
CAS 852062-32-9C12H9N5
2-(1-(Prop-2-yn-1-yl)-3-(pyrazin-2-yl)-1H-pyrazol-5-yl)acetonitrile chemical structure, C12H9N5, CAS 2098104-58-4
2-(1-(Prop-2-yn-1-yl)-3-(pyrazin-2-yl)-1H-pyrazol-5-yl)acetonitrile
CAS 2098104-58-4C12H9N5

Frequently asked questions

What is the molar mass of C12H9N5?

The molar mass of C12H9N5 is 223.24 g/mol, calculated from standard atomic weights for 12 carbon atoms, 9 hydrogen atoms and 5 nitrogen atoms. The monoisotopic mass is 223.0858 Da.

How many compounds have the formula C12H9N5?

CompoundList lists 56 compounds with the molecular formula C12H9N5, including 2-(3-(Pyridin-4-yl)-1H-1,2,4-triazol-5-yl)pyridine, 5-Amino-4-cyano-1-phenyl-1H-pyrazole-3-acetonitrile, 2-(3-(2-Pyridinyl)-1H-1,2,4-triazol-5-yl)pyridine. 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 C12H9N5?

C12H9N5 has a degree of unsaturation of 11. 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.