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Molecular formula

C13H9ClN4O

40 compounds have this formula on CompoundList.

Molar mass
272.69g/mol
Monoisotopic mass
272.0465Da
Atoms
28
Elements
5
Rings plus double bonds
11

The formula C13H9ClN4O describes a molecule made of 13 carbon atoms, 9 hydrogen atoms, 1 chlorine atom, 4 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 × 1357.26%
    12.011 × 13 = 156.143 g/mol
  • H Hydrogen × 93.33%
    1.008 × 9 = 9.072 g/mol
  • Cl Chlorine × 113.00%
    35.45 × 1 = 35.450 g/mol
  • N Nitrogen × 420.55%
    14.007 × 4 = 56.028 g/mol
  • O Oxygen × 15.87%
    15.999 × 1 = 15.999 g/mol
Look up another formula

Compounds with the formula C13H9ClN4O

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

Showing 1 to 40 of 40 compounds

2-(6-Chloropyridazin-3-yl)-4-methyl-1,2-dihydrophthalazin-1-one chemical structure, C13H9ClN4O, CAS 315676-98-3
2-(6-Chloropyridazin-3-yl)-4-methyl-1,2-dihydrophthalazin-1-one
CAS 315676-98-3C13H9ClN4O
4-Chloro-N-[1,2,4]triazolo[1,5-a]pyridin-8-ylbenzenecarboxamide chemical structure, C13H9ClN4O, CAS 338406-08-9
4-Chloro-N-[1,2,4]triazolo[1,5-a]pyridin-8-ylbenzenecarboxamide
CAS 338406-08-9C13H9ClN4O
N-(1H-1,3-Benzodiazol-1-yl)-2-chloropyridine-4-carboxamide chemical structure, C13H9ClN4O, CAS 1119222-94-4
N-(1H-1,3-Benzodiazol-1-yl)-2-chloropyridine-4-carboxamide
CAS 1119222-94-4C13H9ClN4O
1-(4-(6-Chloro-9H-purin-9-yl)phenyl)ethan-1-one chemical structure, C13H9ClN4O, CAS 1119898-98-4
1-(4-(6-Chloro-9H-purin-9-yl)phenyl)ethan-1-one
CAS 1119898-98-4C13H9ClN4O
N-(1H-Benzimidazol-2-yl)-2-chloropyridine-3-carboxamide chemical structure, C13H9ClN4O, CAS 109635-39-4
N-(1H-Benzimidazol-2-yl)-2-chloropyridine-3-carboxamide
CAS 109635-39-4C13H9ClN4O
N-1H-Benzotriazol-6-yl-3-chlorobenzamide chemical structure, C13H9ClN4O, CAS 216985-32-9
N-1H-Benzotriazol-6-yl-3-chlorobenzamide
CAS 216985-32-9C13H9ClN4O
1-[2-(3-Chlorophenoxy)phenyl]-1H-tetrazole chemical structure, C13H9ClN4O, CAS 924823-25-6
1-[2-(3-Chlorophenoxy)phenyl]-1H-tetrazole
CAS 924823-25-6C13H9ClN4O
2-Chloro-N-[1,2,4]triazolo[1,5-a]pyridin-8-ylbenzenecarboxamide chemical structure, C13H9ClN4O, CAS 338406-09-0
2-Chloro-N-[1,2,4]triazolo[1,5-a]pyridin-8-ylbenzenecarboxamide
CAS 338406-09-0C13H9ClN4O
2-(6-Chloro-9H-purin-9-yl)-1-phenylethanone chemical structure, C13H9ClN4O, CAS 344340-40-5
2-(6-Chloro-9H-purin-9-yl)-1-phenylethanone
CAS 344340-40-5C13H9ClN4O
4-(2-Chloropyrimidin-4-yl)-N-(cyanomethyl)benzamide chemical structure, C13H9ClN4O, CAS 1056636-12-4
4-(2-Chloropyrimidin-4-yl)-N-(cyanomethyl)benzamide
CAS 1056636-12-4C13H9ClN4O
N'-Cyano-N-(6-chloro-3-pyridyl)-O-phenylisourea chemical structure, C13H9ClN4O, CAS 158943-25-0
N'-Cyano-N-(6-chloro-3-pyridyl)-O-phenylisourea
CAS 158943-25-0C13H9ClN4O
4(3H)-Quinazolinone, 6-chloro-2-methyl-3-(2-pyrimidinyl)- chemical structure, C13H9ClN4O, CAS 37905-56-9
4(3H)-Quinazolinone, 6-chloro-2-methyl-3-(2-pyrimidinyl)-
CAS 37905-56-9C13H9ClN4O
1-(4-Chlorophenyl)-3-(1H-pyrazol-5-yl)pyridazin-4-one chemical structure, C13H9ClN4O, CAS 318498-00-9
1-(4-Chlorophenyl)-3-(1H-pyrazol-5-yl)pyridazin-4-one
CAS 318498-00-9C13H9ClN4O
3-(2-Pyridyl)-5-(5-chloro-2-aminophenyl)-1,2,4-oxadiazole chemical structure, C13H9ClN4O, CAS 327056-44-0
3-(2-Pyridyl)-5-(5-chloro-2-aminophenyl)-1,2,4-oxadiazole
CAS 327056-44-0C13H9ClN4O
4-Chloro-6-(quinolin-6-yloxy)-pyrimidin-2-ylamine chemical structure, C13H9ClN4O, CAS 882408-07-3
4-Chloro-6-(quinolin-6-yloxy)-pyrimidin-2-ylamine
CAS 882408-07-3C13H9ClN4O
5-(3-Chlorophenylamino)pyrazolo[1,5-a]pyrimidine-3-carbaldehyde chemical structure, C13H9ClN4O, CAS 1256162-95-4
5-(3-Chlorophenylamino)pyrazolo[1,5-a]pyrimidine-3-carbaldehyde
CAS 1256162-95-4C13H9ClN4O
4-(3-Chloroanilino)-6-formyl-7H-pyrrolo[2,3-d]pyrimidine chemical structure, C13H9ClN4O, CAS 187724-66-9
4-(3-Chloroanilino)-6-formyl-7H-pyrrolo[2,3-d]pyrimidine
CAS 187724-66-9C13H9ClN4O
2-(6-Chloro-7H-purin-7-yl)-1-phenylethanone chemical structure, C13H9ClN4O, CAS 154771-44-5
2-(6-Chloro-7H-purin-7-yl)-1-phenylethanone
CAS 154771-44-5C13H9ClN4O
6-Chloro-N-(pyridin-3-yl)imidazo[1,2-a]pyridine-2-carboxamide chemical structure, C13H9ClN4O, CAS 1010922-44-7
6-Chloro-N-(pyridin-3-yl)imidazo[1,2-a]pyridine-2-carboxamide
CAS 1010922-44-7C13H9ClN4O
4-Chloro-N-(pyrazolo[1,5-a]pyrimidin-6-yl)benzamide chemical structure, C13H9ClN4O, CAS 2034620-62-5
4-Chloro-N-(pyrazolo[1,5-a]pyrimidin-6-yl)benzamide
CAS 2034620-62-5C13H9ClN4O
2-Chloro-4-[[3-(2-pyridyl)-1H-pyrazol-4-yl]oxy]pyridine chemical structure, C13H9ClN4O, CAS 1898283-95-8
2-Chloro-4-[[3-(2-pyridyl)-1H-pyrazol-4-yl]oxy]pyridine
CAS 1898283-95-8C13H9ClN4O
6-Amino-2-(4-chlorophenyl)-1,2,4-benzotriazin-3(2H)-one chemical structure, C13H9ClN4O, CAS 75953-52-5
6-Amino-2-(4-chlorophenyl)-1,2,4-benzotriazin-3(2H)-one
CAS 75953-52-5C13H9ClN4O
2-Chloro-N-(1H-indazol-7-yl)pyridine-4-carboxamide chemical structure, C13H9ClN4O, CAS 1183491-86-2
2-Chloro-N-(1H-indazol-7-yl)pyridine-4-carboxamide
CAS 1183491-86-2C13H9ClN4O
6-[3-(3-Chlorophenyl)-1,2,4-oxadiazol-5-yl]pyridin-3-amine chemical structure, C13H9ClN4O, CAS 1542589-73-0
6-[3-(3-Chlorophenyl)-1,2,4-oxadiazol-5-yl]pyridin-3-amine
CAS 1542589-73-0C13H9ClN4O

Frequently asked questions

What is the molar mass of C13H9ClN4O?

The molar mass of C13H9ClN4O is 272.69 g/mol, calculated from standard atomic weights for 13 carbon atoms, 9 hydrogen atoms, 1 chlorine atom, 4 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 272.0465 Da.

How many compounds have the formula C13H9ClN4O?

CompoundList lists 40 compounds with the molecular formula C13H9ClN4O, including 2-(6-Chloropyridazin-3-yl)-4-methyl-1,2-dihydrophthalazin-1-one, 4-Chloro-N-[1,2,4]triazolo[1,5-a]pyridin-8-ylbenzenecarboxamide, N-(1H-1,3-Benzodiazol-1-yl)-2-chloropyridine-4-carboxamide. 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 C13H9ClN4O?

C13H9ClN4O 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.