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Molecular formula

C13H9N5O2

35 compounds have this formula on CompoundList.

Molar mass
267.25g/mol
Monoisotopic mass
267.0756Da
Atoms
29
Elements
4
Rings plus double bonds
12

The formula C13H9N5O2 describes a molecule made of 13 carbon atoms, 9 hydrogen atoms, 5 nitrogen atoms and 2 oxygen 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 × 1358.43%
    12.011 × 13 = 156.143 g/mol
  • H Hydrogen × 93.39%
    1.008 × 9 = 9.072 g/mol
  • N Nitrogen × 526.21%
    14.007 × 5 = 70.035 g/mol
  • O Oxygen × 211.97%
    15.999 × 2 = 31.998 g/mol
Look up another formula

Compounds with the formula C13H9N5O2

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

Showing 1 to 35 of 35 compounds

1-(4-Nitrophenyl)-5-phenyl-1H-tetrazole chemical structure, C13H9N5O2, CAS 57761-71-4
1-(4-Nitrophenyl)-5-phenyl-1H-tetrazole
CAS 57761-71-4C13H9N5O2
5-Amino-1-(4-methoxybenzoyl)pyrazole-3,4-dicarbonitrile chemical structure, C13H9N5O2, CAS 879458-93-2
5-Amino-1-(4-methoxybenzoyl)pyrazole-3,4-dicarbonitrile
CAS 879458-93-2C13H9N5O2
3-(2-(Hydroxy(oxido)amino)phenyl)-4-imino-3,4-dihydro-1,2,3-benzotriazine chemical structure, C13H9N5O2, CAS 52745-04-7
3-(2-(Hydroxy(oxido)amino)phenyl)-4-imino-3,4-dihydro-1,2,3-benzotriazine
CAS 52745-04-7C13H9N5O2
7-Amino-4-oxo-5-pyridin-4-yl-3,5-dihydropyrano[2,3-d]pyrimidine-6-carbonitrile chemical structure, C13H9N5O2, CAS 333341-02-9
7-Amino-4-oxo-5-pyridin-4-yl-3,5-dihydropyrano[2,3-d]pyrimidine-6-carbonitrile
CAS 333341-02-9C13H9N5O2
5-Methyl-2-(1H-tetraazol-5-yl)pyrano(3,2-b)indol-4(5H)-one chemical structure, C13H9N5O2, CAS 70458-61-6
5-Methyl-2-(1H-tetraazol-5-yl)pyrano(3,2-b)indol-4(5H)-one
CAS 70458-61-6C13H9N5O2
N-(4-Oxoquinazolin-3-yl)pyrazine-2-carboxamide chemical structure, C13H9N5O2, CAS 923830-18-6
N-(4-Oxoquinazolin-3-yl)pyrazine-2-carboxamide
CAS 923830-18-6C13H9N5O2
Tyrphostin AG 568 chemical structure, C13H9N5O2, CAS 151013-48-8
Tyrphostin AG 568
CAS 151013-48-8C13H9N5O2
2,6-Di-furan-2-yl-[1,2,4]triazolo[1,5-a]pyrazin-8-ylamine chemical structure, C13H9N5O2, CAS 785050-60-4
2,6-Di-furan-2-yl-[1,2,4]triazolo[1,5-a]pyrazin-8-ylamine
CAS 785050-60-4C13H9N5O2
7-Amino-4-oxo-5-pyridin-3-yl-3,5-dihydropyrano[2,3-d]pyrimidine-6-carbonitrile chemical structure, C13H9N5O2, CAS 302788-68-7
7-Amino-4-oxo-5-pyridin-3-yl-3,5-dihydropyrano[2,3-d]pyrimidine-6-carbonitrile
CAS 302788-68-7C13H9N5O2
Topiroxostat impurity I chemical structure, C13H9N5O2, CAS 2044702-36-3
Topiroxostat impurity I
CAS 2044702-36-3C13H9N5O2
2-[3-(4-Nitrophenyl)-1H-1,2,4-triazol-5-yl]pyridine chemical structure, C13H9N5O2, CAS 620934-25-0
2-[3-(4-Nitrophenyl)-1H-1,2,4-triazol-5-yl]pyridine
CAS 620934-25-0C13H9N5O2
5-(4-Nitrophenyl)-1-phenyl-1H-tetrazole chemical structure, C13H9N5O2, CAS 14213-27-5
5-(4-Nitrophenyl)-1-phenyl-1H-tetrazole
CAS 14213-27-5C13H9N5O2
1,2,3-Triazolo(4',5':5,6)pyrido(2,1-b)quinazolin-11(1H)-one, 9-methoxy- chemical structure, C13H9N5O2, CAS 117702-09-7
1,2,3-Triazolo(4',5':5,6)pyrido(2,1-b)quinazolin-11(1H)-one, 9-methoxy-
CAS 117702-09-7C13H9N5O2
(2Z)-2-Amino-3-[(E)-[(2E)-3-(2-nitrophenyl)prop-2-en-1-ylidene]amino]but-2-enedinitrile chemical structure, C13H9N5O2, CAS 1025261-91-9
(2Z)-2-Amino-3-[(E)-[(2E)-3-(2-nitrophenyl)prop-2-en-1-ylidene]amino]but-2-enedinitrile
CAS 1025261-91-9C13H9N5O2
Benzoic acid, 2-[2-(4-azidophenyl)diazenyl]- chemical structure, C13H9N5O2, CAS 39138-58-4
Benzoic acid, 2-[2-(4-azidophenyl)diazenyl]-
CAS 39138-58-4C13H9N5O2
2H-Tetrazole, 5-(4-nitrophenyl)-2-phenyl- chemical structure, C13H9N5O2, CAS 50626-23-8
2H-Tetrazole, 5-(4-nitrophenyl)-2-phenyl-
CAS 50626-23-8C13H9N5O2
2-(1-(2-Nitrophenyl)-1H-pyrazol-5-yl)pyrimidine chemical structure, C13H9N5O2, CAS 1269291-40-8
2-(1-(2-Nitrophenyl)-1H-pyrazol-5-yl)pyrimidine
CAS 1269291-40-8C13H9N5O2
2-(1-(4-Nitrophenyl)-1H-pyrazol-5-yl)pyrimidine chemical structure, C13H9N5O2, CAS 1269292-68-3
2-(1-(4-Nitrophenyl)-1H-pyrazol-5-yl)pyrimidine
CAS 1269292-68-3C13H9N5O2
2-[(1e)-3-(2-Nitrophenyl)triaz-1-en-1-yl]benzonitrile chemical structure, C13H9N5O2, CAS 29372-38-1
2-[(1e)-3-(2-Nitrophenyl)triaz-1-en-1-yl]benzonitrile
CAS 29372-38-1C13H9N5O2
N-(3-Nitrophenyl)-1,2,3-benzotriazin-4-amine chemical structure, C13H9N5O2, CAS 26944-69-4
N-(3-Nitrophenyl)-1,2,3-benzotriazin-4-amine
CAS 26944-69-4C13H9N5O2
N-(4-Nitrophenyl)-1,2,3-benzotriazin-4-amine chemical structure, C13H9N5O2, CAS 26944-70-7
N-(4-Nitrophenyl)-1,2,3-benzotriazin-4-amine
CAS 26944-70-7C13H9N5O2
2-(4-Nitrophenyl)-5-phenyltetrazole chemical structure, C13H9N5O2, CAS 55134-99-1
2-(4-Nitrophenyl)-5-phenyltetrazole
CAS 55134-99-1C13H9N5O2
7-(2-Furylmethyl)pyrido[3,4-e][1,2,4]triazolo[1,5-a]pyrimidin-6(7H)-one chemical structure, C13H9N5O2, CAS 925574-71-6
7-(2-Furylmethyl)pyrido[3,4-e][1,2,4]triazolo[1,5-a]pyrimidin-6(7H)-one
CAS 925574-71-6C13H9N5O2
3-(5-Methyl-3-isoxazolyl)-1,2,4-triazolo[3,4-a]phthalazin-6(5H)-one chemical structure, C13H9N5O2, CAS 215874-91-2
3-(5-Methyl-3-isoxazolyl)-1,2,4-triazolo[3,4-a]phthalazin-6(5H)-one
CAS 215874-91-2C13H9N5O2

Frequently asked questions

What is the molar mass of C13H9N5O2?

The molar mass of C13H9N5O2 is 267.25 g/mol, calculated from standard atomic weights for 13 carbon atoms, 9 hydrogen atoms, 5 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 267.0756 Da.

How many compounds have the formula C13H9N5O2?

CompoundList lists 35 compounds with the molecular formula C13H9N5O2, including 1-(4-Nitrophenyl)-5-phenyl-1H-tetrazole, 5-Amino-1-(4-methoxybenzoyl)pyrazole-3,4-dicarbonitrile, 3-(2-(Hydroxy(oxido)amino)phenyl)-4-imino-3,4-dihydro-1,2,3-benzotriazine. 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 C13H9N5O2?

C13H9N5O2 has a degree of unsaturation of 12. 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.