CompoundList
Molecular formula

C21H16N2O2

142 compounds have this formula on CompoundList.

Molar mass
328.37g/mol
Monoisotopic mass
328.1212Da
Atoms
41
Elements
4
Rings plus double bonds
15

The formula C21H16N2O2 describes a molecule made of 21 carbon atoms, 16 hydrogen atoms, 2 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 × 2176.81%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 164.91%
    1.008 × 16 = 16.128 g/mol
  • N Nitrogen × 28.53%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 29.74%
    15.999 × 2 = 31.998 g/mol
Look up another formula

Compounds with the formula C21H16N2O2

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

Showing 101 to 142 of 142 compounds

3,4-Di(furan-2-yl)-1-(pyridin-2-yl)-6,7-dihydro-5H-cyclopenta[c]pyridine chemical structure, C21H16N2O2, CAS 692729-84-3
3,4-Di(furan-2-yl)-1-(pyridin-2-yl)-6,7-dihydro-5H-cyclopenta[c]pyridine
CAS 692729-84-3C21H16N2O2
1H-Indazole-3-carboxylic acid, 1-([1,1'-biphenyl]-4-ylmethyl)- chemical structure, C21H16N2O2, CAS 875577-66-5
1H-Indazole-3-carboxylic acid, 1-([1,1'-biphenyl]-4-ylmethyl)-
CAS 875577-66-5C21H16N2O2
1-(4-Methoxyphenyl)-2-phenylquinazolin-4(1H)-one chemical structure, C21H16N2O2, CAS 1099-99-6
1-(4-Methoxyphenyl)-2-phenylquinazolin-4(1H)-one
CAS 1099-99-6C21H16N2O2
1-Amino-2-(4-methylanilino)anthracene-9,10-dione chemical structure, C21H16N2O2, CAS 60190-22-9
1-Amino-2-(4-methylanilino)anthracene-9,10-dione
CAS 60190-22-9C21H16N2O2
1,2-Dimethyl-3-(4-nitrophenyl)benzo[F]quinoline chemical structure, C21H16N2O2, CAS 63316-86-9
1,2-Dimethyl-3-(4-nitrophenyl)benzo[F]quinoline
CAS 63316-86-9C21H16N2O2
[6-(Benzyloxy)-1H-benzimidazol-2-yl](phenyl)methanone chemical structure, C21H16N2O2, CAS 89521-58-4
[6-(Benzyloxy)-1H-benzimidazol-2-yl](phenyl)methanone
CAS 89521-58-4C21H16N2O2
[4-(Benzyloxy)-1H-benzimidazol-2-yl](phenyl)methanone chemical structure, C21H16N2O2, CAS 89521-57-3
[4-(Benzyloxy)-1H-benzimidazol-2-yl](phenyl)methanone
CAS 89521-57-3C21H16N2O2
(1H-Benzimidazol-2-yl)[3-(benzyloxy)phenyl]methanone chemical structure, C21H16N2O2, CAS 89521-69-7
(1H-Benzimidazol-2-yl)[3-(benzyloxy)phenyl]methanone
CAS 89521-69-7C21H16N2O2
1-Amino-4-(2-methylanilino)anthracene-9,10-dione chemical structure, C21H16N2O2, CAS 54946-78-0
1-Amino-4-(2-methylanilino)anthracene-9,10-dione
CAS 54946-78-0C21H16N2O2
Butyl 9-(dicyanomethylidene)-9H-fluorene-1-carboxylate chemical structure, C21H16N2O2, CAS 169063-57-4
Butyl 9-(dicyanomethylidene)-9H-fluorene-1-carboxylate
CAS 169063-57-4C21H16N2O2
1-Amino-5-(benzylamino)anthracene-9,10-dione chemical structure, C21H16N2O2, CAS 88447-10-3
1-Amino-5-(benzylamino)anthracene-9,10-dione
CAS 88447-10-3C21H16N2O2
N-{4-[Cyano(phenyl)methyl]phenyl}-2-hydroxybenzamide chemical structure, C21H16N2O2, CAS 61438-59-3
N-{4-[Cyano(phenyl)methyl]phenyl}-2-hydroxybenzamide
CAS 61438-59-3C21H16N2O2
(3-Methoxyphenyl)(5-phenyl-1H-pyrrolo[2,3-b]pyridin-3-yl)methanone chemical structure, C21H16N2O2, CAS 858118-38-4
(3-Methoxyphenyl)(5-phenyl-1H-pyrrolo[2,3-b]pyridin-3-yl)methanone
CAS 858118-38-4C21H16N2O2
1-(4-(Pyridin-4-yl)benzyl)-1H-indole-7-carboxylic acid chemical structure, C21H16N2O2, CAS 1196049-24-7
1-(4-(Pyridin-4-yl)benzyl)-1H-indole-7-carboxylic acid
CAS 1196049-24-7C21H16N2O2
1-(4-(Pyridin-3-yl)benzyl)-1H-indole-7-carboxylic acid chemical structure, C21H16N2O2, CAS 1196049-58-7
1-(4-(Pyridin-3-yl)benzyl)-1H-indole-7-carboxylic acid
CAS 1196049-58-7C21H16N2O2
1-(4-(Pyridin-2-yl)benzyl)-1H-indole-7-carboxylic acid chemical structure, C21H16N2O2, CAS 1196049-39-4
1-(4-(Pyridin-2-yl)benzyl)-1H-indole-7-carboxylic acid
CAS 1196049-39-4C21H16N2O2
3-(5,6-Dihydro-4H-pyrrolo[3,2,1-ij]quinolin-1-yl)-4-phenyl-1H-pyrrole-2,5-dione chemical structure, C21H16N2O2, CAS 905854-10-6
3-(5,6-Dihydro-4H-pyrrolo[3,2,1-ij]quinolin-1-yl)-4-phenyl-1H-pyrrole-2,5-dione
CAS 905854-10-6C21H16N2O2
Methyl 2-[4-(1H-indol-5-yl)phenyl]-4-pyridinecarboxylate chemical structure, C21H16N2O2, CAS 1244020-87-8
Methyl 2-[4-(1H-indol-5-yl)phenyl]-4-pyridinecarboxylate
CAS 1244020-87-8C21H16N2O2
1-Hydroxy-2,3-diphenylindolizine-7-carboxamide chemical structure, C21H16N2O2, CAS 86193-99-9
1-Hydroxy-2,3-diphenylindolizine-7-carboxamide
CAS 86193-99-9C21H16N2O2
2-Methyl-3-(4-phenoxyphenyl)quinazolin-4(3H)-one chemical structure, C21H16N2O2, CAS 88538-91-4
2-Methyl-3-(4-phenoxyphenyl)quinazolin-4(3H)-one
CAS 88538-91-4C21H16N2O2
2-[4-(Benzylamino)phenyl]-1H-isoindole-1,3(2H)-dione chemical structure, C21H16N2O2, CAS 106428-29-9
2-[4-(Benzylamino)phenyl]-1H-isoindole-1,3(2H)-dione
CAS 106428-29-9C21H16N2O2
3-Methyl-7-(4-methylanilino)benzo[g]quinoline-5,10-dione chemical structure, C21H16N2O2, CAS 110225-74-6
3-Methyl-7-(4-methylanilino)benzo[g]quinoline-5,10-dione
CAS 110225-74-6C21H16N2O2
Ethyl [2,3'-biquinoline]-2'-carboxylate chemical structure, C21H16N2O2, CAS 855253-29-1
Ethyl [2,3'-biquinoline]-2'-carboxylate
CAS 855253-29-1C21H16N2O2
2-[[2-(3-Pyridinylmethyl)phenyl]methyl]-1H-isoindole-1,3(2H)-dione chemical structure, C21H16N2O2, CAS 159148-85-3
2-[[2-(3-Pyridinylmethyl)phenyl]methyl]-1H-isoindole-1,3(2H)-dione
CAS 159148-85-3C21H16N2O2

Frequently asked questions

What is the molar mass of C21H16N2O2?

The molar mass of C21H16N2O2 is 328.37 g/mol, calculated from standard atomic weights for 21 carbon atoms, 16 hydrogen atoms, 2 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 328.1212 Da.

How many compounds have the formula C21H16N2O2?

CompoundList lists 142 compounds with the molecular formula C21H16N2O2, including 3,4-Di(furan-2-yl)-1-(pyridin-2-yl)-6,7-dihydro-5H-cyclopenta[c]pyridine, 1H-Indazole-3-carboxylic acid, 1-([1,1'-biphenyl]-4-ylmethyl)-, 1-(4-Methoxyphenyl)-2-phenylquinazolin-4(1H)-one. 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 C21H16N2O2?

C21H16N2O2 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.