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Molecular formula

C18H12N4O2

32 compounds have this formula on CompoundList.

Molar mass
316.32g/mol
Monoisotopic mass
316.0960Da
Atoms
36
Elements
4
Rings plus double bonds
15

The formula C18H12N4O2 describes a molecule made of 18 carbon atoms, 12 hydrogen atoms, 4 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 × 1868.35%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 123.82%
    1.008 × 12 = 12.096 g/mol
  • N Nitrogen × 417.71%
    14.007 × 4 = 56.028 g/mol
  • O Oxygen × 210.12%
    15.999 × 2 = 31.998 g/mol
Look up another formula

Compounds with the formula C18H12N4O2

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

Showing 1 to 32 of 32 compounds

N-(5-Pyridin-4-yl-1,3,4-oxadiazol-2-yl)naphthalene-2-carboxamide chemical structure, C18H12N4O2, CAS 887867-74-5
N-(5-Pyridin-4-yl-1,3,4-oxadiazol-2-yl)naphthalene-2-carboxamide
CAS 887867-74-5C18H12N4O2
N-(2-Pyridin-3-yl-benzooxazol-5-yl)-nicotinamide chemical structure, C18H12N4O2, CAS 313700-15-1
N-(2-Pyridin-3-yl-benzooxazol-5-yl)-nicotinamide
CAS 313700-15-1C18H12N4O2
2-Amino-4-(4-nitrophenyl)-6-phenylpyridine-3-carbonitrile chemical structure, C18H12N4O2, CAS 331980-11-1
2-Amino-4-(4-nitrophenyl)-6-phenylpyridine-3-carbonitrile
CAS 331980-11-1C18H12N4O2
N-[4-([1,3]Oxazolo[4,5-b]pyridin-2-yl)phenyl]pyridine-3-carboxamide chemical structure, C18H12N4O2, CAS 433703-38-9
N-[4-([1,3]Oxazolo[4,5-b]pyridin-2-yl)phenyl]pyridine-3-carboxamide
CAS 433703-38-9C18H12N4O2
8-Nitro-N-quinolin-8-ylquinolin-2-amine chemical structure, C18H12N4O2, CAS 330663-17-7
8-Nitro-N-quinolin-8-ylquinolin-2-amine
CAS 330663-17-7C18H12N4O2
N-[3-(1,3-Benzoxazol-2-yl)phenyl]pyrazine-2-carboxamide chemical structure, C18H12N4O2, CAS 497062-78-9
N-[3-(1,3-Benzoxazol-2-yl)phenyl]pyrazine-2-carboxamide
CAS 497062-78-9C18H12N4O2
9H-Carbazole, 2-[2-(4-nitrophenyl)diazenyl]- chemical structure, C18H12N4O2, CAS 883019-93-0
9H-Carbazole, 2-[2-(4-nitrophenyl)diazenyl]-
CAS 883019-93-0C18H12N4O2
5-(Phenylamino)pyrimido[4,5-c]quinoline-8-carboxylic acid chemical structure, C18H12N4O2, CAS 2637154-38-0
5-(Phenylamino)pyrimido[4,5-c]quinoline-8-carboxylic acid
CAS 2637154-38-0C18H12N4O2
1-Amino-4-(ethylamino)-9,10-dihydro-9,10-dioxoanthracene-2,3-dicarbonitrile chemical structure, C18H12N4O2, CAS 52373-93-0
1-Amino-4-(ethylamino)-9,10-dihydro-9,10-dioxoanthracene-2,3-dicarbonitrile
CAS 52373-93-0C18H12N4O2
1-Nitro-2,3-dipyridin-2-ylindolizine chemical structure, C18H12N4O2, CAS 443313-87-9
1-Nitro-2,3-dipyridin-2-ylindolizine
CAS 443313-87-9C18H12N4O2
3-(1H-Benzo[d]imidazol-2-yl)pyrrolo[1,2-a]quinazoline-2,5(1H,4H)-dione chemical structure, C18H12N4O2, CAS 64532-09-8
3-(1H-Benzo[d]imidazol-2-yl)pyrrolo[1,2-a]quinazoline-2,5(1H,4H)-dione
CAS 64532-09-8C18H12N4O2
2-Propenamide, 2-cyano-3-phenyl-N-(5-phenyl-1,3,4-oxadiazol-2-yl)- chemical structure, C18H12N4O2, CAS 160893-87-8
2-Propenamide, 2-cyano-3-phenyl-N-(5-phenyl-1,3,4-oxadiazol-2-yl)-
CAS 160893-87-8C18H12N4O2
2-(((4-(1,2,4-Triazolyl)phenyl)amino)methylene)indane-1,3-dione chemical structure, C18H12N4O2, CAS 351857-78-8
2-(((4-(1,2,4-Triazolyl)phenyl)amino)methylene)indane-1,3-dione
CAS 351857-78-8C18H12N4O2
6,7-Diphenyl-1H-pteridine-2,4-dione chemical structure, C18H12N4O2, CAS 14892-98-9
6,7-Diphenyl-1H-pteridine-2,4-dione
CAS 14892-98-9C18H12N4O2
2-(2-(3H-2,3,5-Triazolyl)-2-aza-1-phenylvinyl)indane-1,3-dione chemical structure, C18H12N4O2, CAS 1025669-17-3
2-(2-(3H-2,3,5-Triazolyl)-2-aza-1-phenylvinyl)indane-1,3-dione
CAS 1025669-17-3C18H12N4O2
2-[C-Phenyl-N-(1H-1,2,4-triazol-5-yl)carbonimidoyl]indene-1,3-dione chemical structure, C18H12N4O2
2-[C-Phenyl-N-(1H-1,2,4-triazol-5-yl)carbonimidoyl]indene-1,3-dione
C18H12N4O2
3-Cyano-N-(2-(6-oxo-1,6-dihydropyridazin-3-yl)phenyl)benzamide chemical structure, C18H12N4O2, CAS 1448048-05-2
3-Cyano-N-(2-(6-oxo-1,6-dihydropyridazin-3-yl)phenyl)benzamide
CAS 1448048-05-2C18H12N4O2
3-(2-Oxo-2-phenylethyl)-4H-[1,2,4]triazino[3,4-a]phthalazin-4-one chemical structure, C18H12N4O2, CAS 88330-65-8
3-(2-Oxo-2-phenylethyl)-4H-[1,2,4]triazino[3,4-a]phthalazin-4-one
CAS 88330-65-8C18H12N4O2
2-(1,3-Benzodioxol-5-yl)-6-imidazol-1-ylquinazoline chemical structure, C18H12N4O2, CAS 1004997-75-4
2-(1,3-Benzodioxol-5-yl)-6-imidazol-1-ylquinazoline
CAS 1004997-75-4C18H12N4O2
1-Phenyl-3-(3-phenyl-1,2,4-oxadiazol-5-yl)pyridazin-4(1H)-one chemical structure, C18H12N4O2, CAS 1251568-72-5
1-Phenyl-3-(3-phenyl-1,2,4-oxadiazol-5-yl)pyridazin-4(1H)-one
CAS 1251568-72-5C18H12N4O2
4-[2,5-Dimethyl-3-(tricyanoethenyl)-1H-pyrrol-1-yl]benzoic acid chemical structure, C18H12N4O2, CAS 138081-54-6
4-[2,5-Dimethyl-3-(tricyanoethenyl)-1H-pyrrol-1-yl]benzoic acid
CAS 138081-54-6C18H12N4O2
4,4'-(2,5-Dioxopiperazine-1,4-diyl)dibenzonitrile chemical structure, C18H12N4O2, CAS 2733025-09-5
4,4'-(2,5-Dioxopiperazine-1,4-diyl)dibenzonitrile
CAS 2733025-09-5C18H12N4O2
(1E)-1,2-Di-3-cinnolinyl-1,2-ethenediol chemical structure, C18H12N4O2, CAS 51073-58-6
(1E)-1,2-Di-3-cinnolinyl-1,2-ethenediol
CAS 51073-58-6C18H12N4O2
3-[7-(3-Pyridinyl)imidazo[1,2-b]pyridazin-3-yl]benzoic acid chemical structure, C18H12N4O2, CAS 1107654-81-8
3-[7-(3-Pyridinyl)imidazo[1,2-b]pyridazin-3-yl]benzoic acid
CAS 1107654-81-8C18H12N4O2

Frequently asked questions

What is the molar mass of C18H12N4O2?

The molar mass of C18H12N4O2 is 316.32 g/mol, calculated from standard atomic weights for 18 carbon atoms, 12 hydrogen atoms, 4 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 316.0960 Da.

How many compounds have the formula C18H12N4O2?

CompoundList lists 32 compounds with the molecular formula C18H12N4O2, including N-(5-Pyridin-4-yl-1,3,4-oxadiazol-2-yl)naphthalene-2-carboxamide, N-(2-Pyridin-3-yl-benzooxazol-5-yl)-nicotinamide, 2-Amino-4-(4-nitrophenyl)-6-phenylpyridine-3-carbonitrile. 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 C18H12N4O2?

C18H12N4O2 has a degree of unsaturation of 15. 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.