CompoundList
Molecular formula

C21H15N3O2

75 compounds have this formula on CompoundList.

Molar mass
341.37g/mol
Monoisotopic mass
341.1164Da
Atoms
41
Elements
4
Rings plus double bonds
16

The formula C21H15N3O2 describes a molecule made of 21 carbon atoms, 15 hydrogen atoms, 3 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 × 2173.89%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 154.43%
    1.008 × 15 = 15.120 g/mol
  • N Nitrogen × 312.31%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 29.37%
    15.999 × 2 = 31.998 g/mol
Look up another formula

Compounds with the formula C21H15N3O2

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

Showing 1 to 75 of 75 compounds

Bisindolylmaleimide V chemical structure, C21H15N3O2, CAS 113963-68-1
Bisindolylmaleimide V
CAS 113963-68-1C21H15N3O2
3-{[(E)-(2-Hydroxyphenyl)methylidene]amino}-2-phenyl-4(3H)-quinazolinone chemical structure, C21H15N3O2, CAS 73861-06-0
3-{[(E)-(2-Hydroxyphenyl)methylidene]amino}-2-phenyl-4(3H)-quinazolinone
CAS 73861-06-0C21H15N3O2
4-[(4-Phenylquinazolin-2-yl)amino]benzoic acid chemical structure, C21H15N3O2, CAS 332102-09-7
4-[(4-Phenylquinazolin-2-yl)amino]benzoic acid
CAS 332102-09-7C21H15N3O2
6-(4-Pyridylmethyl)-8-(3-nitrophenyl)quinoline chemical structure, C21H15N3O2, CAS 159925-31-2
6-(4-Pyridylmethyl)-8-(3-nitrophenyl)quinoline
CAS 159925-31-2C21H15N3O2
2-(2,4-Dihydroxyphenyl)-4,6-diphenyl-1,3,5-triazine chemical structure, C21H15N3O2, CAS 38369-95-8
2-(2,4-Dihydroxyphenyl)-4,6-diphenyl-1,3,5-triazine
CAS 38369-95-8C21H15N3O2
1,3,5-Triazine, 2,4-dimethoxy-6-(1-pyrenyl)- chemical structure, C21H15N3O2, CAS 3271-22-5
1,3,5-Triazine, 2,4-dimethoxy-6-(1-pyrenyl)-
CAS 3271-22-5C21H15N3O2
2-(4-Nitrophenyl)-4,5-diphenyl-1H-imidazole chemical structure, C21H15N3O2, CAS 5496-39-9
2-(4-Nitrophenyl)-4,5-diphenyl-1H-imidazole
CAS 5496-39-9C21H15N3O2
2-(3-Nitrophenyl)-4,5-diphenyl-1H-imidazole chemical structure, C21H15N3O2, CAS 5496-38-8
2-(3-Nitrophenyl)-4,5-diphenyl-1H-imidazole
CAS 5496-38-8C21H15N3O2
2-(2-Nitrophenyl)-4,5-diphenyl-1H-imidazole chemical structure, C21H15N3O2, CAS 29864-19-5
2-(2-Nitrophenyl)-4,5-diphenyl-1H-imidazole
CAS 29864-19-5C21H15N3O2
(E)-N-(4-(Phenyldiazenyl)phenyl)benzofuran-2-carboxamide chemical structure, C21H15N3O2, CAS 883806-07-3
(E)-N-(4-(Phenyldiazenyl)phenyl)benzofuran-2-carboxamide
CAS 883806-07-3C21H15N3O2
1H-Pyrrole-2,5-dione, 3-(1H-indol-3-yl)-4-(1-methyl-1H-indol-3-yl)- chemical structure, C21H15N3O2, CAS 133052-89-8
1H-Pyrrole-2,5-dione, 3-(1H-indol-3-yl)-4-(1-methyl-1H-indol-3-yl)-
CAS 133052-89-8C21H15N3O2
N-(2-(3-Hydroxy-2-quinoxalinyl)phenyl)benzamide chemical structure, C21H15N3O2, CAS 93065-25-9
N-(2-(3-Hydroxy-2-quinoxalinyl)phenyl)benzamide
CAS 93065-25-9C21H15N3O2
(1H-Indol-3-yl)(7-methoxy-9H-pyrido[3,4-b]indol-1-yl)methanone chemical structure, C21H15N3O2, CAS 1367322-74-4
(1H-Indol-3-yl)(7-methoxy-9H-pyrido[3,4-b]indol-1-yl)methanone
CAS 1367322-74-4C21H15N3O2
Quinoxaline, 2-[(4-nitrophenyl)methyl]-3-phenyl- chemical structure, C21H15N3O2, CAS 18039-33-3
Quinoxaline, 2-[(4-nitrophenyl)methyl]-3-phenyl-
CAS 18039-33-3C21H15N3O2
3-(Methylamino)-5-(phenylamino)-6H-anthra[1,9-cd]isoxazol-6-one chemical structure, C21H15N3O2, CAS 75753-51-4
3-(Methylamino)-5-(phenylamino)-6H-anthra[1,9-cd]isoxazol-6-one
CAS 75753-51-4C21H15N3O2
1-(4-Nitrophenyl)-3,5-diphenylpyrazole chemical structure, C21H15N3O2, CAS 10252-51-4
1-(4-Nitrophenyl)-3,5-diphenylpyrazole
CAS 10252-51-4C21H15N3O2
4(3H)-Quinazolinone, 2-(2-oxo-2-(3-pyridinyl)ethyl)-3-phenyl- chemical structure, C21H15N3O2, CAS 73283-26-8
4(3H)-Quinazolinone, 2-(2-oxo-2-(3-pyridinyl)ethyl)-3-phenyl-
CAS 73283-26-8C21H15N3O2
Methyl 1-(1H-indol-3-yl)-9H-pyrido[3,4-b]indole-3-carboxylate chemical structure, C21H15N3O2, CAS 1242336-86-2
Methyl 1-(1H-indol-3-yl)-9H-pyrido[3,4-b]indole-3-carboxylate
CAS 1242336-86-2C21H15N3O2
4-(10,11-Dihydro-11-oxo-5H-dibenzo[b,e][1,4]diazepin-3-yl)-2-methoxybenzonitrile chemical structure, C21H15N3O2, CAS 755027-22-6
4-(10,11-Dihydro-11-oxo-5H-dibenzo[b,e][1,4]diazepin-3-yl)-2-methoxybenzonitrile
CAS 755027-22-6C21H15N3O2
1-Benzoyl-N-phenyl-1H-indazole-3-carboxamide chemical structure, C21H15N3O2, CAS 1325681-80-8
1-Benzoyl-N-phenyl-1H-indazole-3-carboxamide
CAS 1325681-80-8C21H15N3O2
(2E)-3-(2-Methyl-2H-chromen-3-yl)-2-(4-oxo-1,4-dihydroquinazolin-2-yl)prop-2-enenitrile chemical structure, C21H15N3O2, CAS 620584-83-0
(2E)-3-(2-Methyl-2H-chromen-3-yl)-2-(4-oxo-1,4-dihydroquinazolin-2-yl)prop-2-enenitrile
CAS 620584-83-0C21H15N3O2
Benzamide, N-(1-benzoyl-1H-indazol-6-yl)- chemical structure, C21H15N3O2, CAS 110327-55-4
Benzamide, N-(1-benzoyl-1H-indazol-6-yl)-
CAS 110327-55-4C21H15N3O2
3'-Phenyl-1'H-spiro[indole-3,2'-quinazoline]-2,4'(1H,3'H)-dione chemical structure, C21H15N3O2, CAS 945324-59-4
3'-Phenyl-1'H-spiro[indole-3,2'-quinazoline]-2,4'(1H,3'H)-dione
CAS 945324-59-4C21H15N3O2
N-(2-Hydroxyphenyl)-2-(pyridin-3-yl)quinoline-4-carboxamide chemical structure, C21H15N3O2, CAS 1146934-96-4
N-(2-Hydroxyphenyl)-2-(pyridin-3-yl)quinoline-4-carboxamide
CAS 1146934-96-4C21H15N3O2

Frequently asked questions

What is the molar mass of C21H15N3O2?

The molar mass of C21H15N3O2 is 341.37 g/mol, calculated from standard atomic weights for 21 carbon atoms, 15 hydrogen atoms, 3 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 341.1164 Da.

How many compounds have the formula C21H15N3O2?

CompoundList lists 75 compounds with the molecular formula C21H15N3O2, including Bisindolylmaleimide V, 3-{[(E)-(2-Hydroxyphenyl)methylidene]amino}-2-phenyl-4(3H)-quinazolinone, 4-[(4-Phenylquinazolin-2-yl)amino]benzoic acid. 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 C21H15N3O2?

C21H15N3O2 has a degree of unsaturation of 16. 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.