CompoundList
Molecular formula

C21H14N2O2

33 compounds have this formula on CompoundList.

Molar mass
326.36g/mol
Monoisotopic mass
326.1055Da
Atoms
39
Elements
4
Rings plus double bonds
16

The formula C21H14N2O2 describes a molecule made of 21 carbon atoms, 14 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 × 2177.29%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 144.32%
    1.008 × 14 = 14.112 g/mol
  • N Nitrogen × 28.58%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 29.80%
    15.999 × 2 = 31.998 g/mol
Look up another formula

Compounds with the formula C21H14N2O2

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

Showing 1 to 33 of 33 compounds

2,3-Diphenylquinoxaline-6-carboxylic acid chemical structure, C21H14N2O2, CAS 32387-96-5
2,3-Diphenylquinoxaline-6-carboxylic acid
CAS 32387-96-5C21H14N2O2
6-Nitro-2,4-diphenyl-quinoline chemical structure, C21H14N2O2, CAS 138432-74-3
6-Nitro-2,4-diphenyl-quinoline
CAS 138432-74-3C21H14N2O2
N-(9-Anthracenylmethylene)-4-nitroaniline chemical structure, C21H14N2O2, CAS 14607-12-6
N-(9-Anthracenylmethylene)-4-nitroaniline
CAS 14607-12-6C21H14N2O2
5-o-Tolylamino-anthra[1,9-cd]isoxazol-6-one chemical structure, C21H14N2O2, CAS 109776-46-7
5-o-Tolylamino-anthra[1,9-cd]isoxazol-6-one
CAS 109776-46-7C21H14N2O2
2-{7-Methylimidazo[1,2-a]pyridin-2-yl}-3H-benzo[f]chromen-3-one chemical structure, C21H14N2O2, CAS 337485-59-3
2-{7-Methylimidazo[1,2-a]pyridin-2-yl}-3H-benzo[f]chromen-3-one
CAS 337485-59-3C21H14N2O2
4-Benzoyl-N-(2-cyanophenyl)benzamide chemical structure, C21H14N2O2, CAS 462080-30-4
4-Benzoyl-N-(2-cyanophenyl)benzamide
CAS 462080-30-4C21H14N2O2
1-Amino-2-((phenylimino)methyl)anthracene-9,10-dione chemical structure, C21H14N2O2, CAS 21810-19-5
1-Amino-2-((phenylimino)methyl)anthracene-9,10-dione
CAS 21810-19-5C21H14N2O2
5-(3-Methylphenanthro[9,10-d]imidazol-2-yl)furan-2-carbaldehyde chemical structure, C21H14N2O2, CAS 425418-08-2
5-(3-Methylphenanthro[9,10-d]imidazol-2-yl)furan-2-carbaldehyde
CAS 425418-08-2C21H14N2O2
5-{2',6'-Dihydroxy-[1,1'-biphenyl]-4-yl}-1H-indole-3-carbonitrile chemical structure, C21H14N2O2, CAS 1179347-65-9
5-{2',6'-Dihydroxy-[1,1'-biphenyl]-4-yl}-1H-indole-3-carbonitrile
CAS 1179347-65-9C21H14N2O2
Quino[2,3-b]acridine-7,14-dione, 5,12-dihydro-2-methyl- chemical structure, C21H14N2O2, CAS 10228-01-0
Quino[2,3-b]acridine-7,14-dione, 5,12-dihydro-2-methyl-
CAS 10228-01-0C21H14N2O2
4-(4-Benzyloxy-phenoxy)-phthalonitrile chemical structure, C21H14N2O2, CAS 301211-90-5
4-(4-Benzyloxy-phenoxy)-phthalonitrile
CAS 301211-90-5C21H14N2O2
(4-Quinoxalin-2-ylphenyl) benzoate chemical structure, C21H14N2O2, CAS 305858-17-7
(4-Quinoxalin-2-ylphenyl) benzoate
CAS 305858-17-7C21H14N2O2
Naphtho(1',2':5,6)pyrano(2,3-b)(1,5)benzodiazepin-15(8H)-one, 8-methyl- chemical structure, C21H14N2O2, CAS 81684-73-3
Naphtho(1',2':5,6)pyrano(2,3-b)(1,5)benzodiazepin-15(8H)-one, 8-methyl-
CAS 81684-73-3C21H14N2O2
(Z)-2-(Benzo[d]oxazol-2-yl)-1-phenyl-3-(pyridin-4-yl)prop-2-en-1-one chemical structure, C21H14N2O2, CAS 488796-11-8
(Z)-2-(Benzo[d]oxazol-2-yl)-1-phenyl-3-(pyridin-4-yl)prop-2-en-1-one
CAS 488796-11-8C21H14N2O2
(E)-2-(Benzo[d]oxazol-2-yl)-1-phenyl-3-(pyridin-3-yl)prop-2-en-1-one chemical structure, C21H14N2O2, CAS 381696-68-0
(E)-2-(Benzo[d]oxazol-2-yl)-1-phenyl-3-(pyridin-3-yl)prop-2-en-1-one
CAS 381696-68-0C21H14N2O2
N-(4-Cyanophenyl)-9H-xanthene-9-carboxamide chemical structure, C21H14N2O2, CAS 333442-46-9
N-(4-Cyanophenyl)-9H-xanthene-9-carboxamide
CAS 333442-46-9C21H14N2O2
3-(Naphthalen-1-ylmethyl)benzofuro[3,2-d]pyrimidin-4(3H)-one chemical structure, C21H14N2O2, CAS 876401-08-0
3-(Naphthalen-1-ylmethyl)benzofuro[3,2-d]pyrimidin-4(3H)-one
CAS 876401-08-0C21H14N2O2
4,4'-(1H-Benzo[d]imidazole-4,7-diyl)dibenzaldehyde chemical structure, C21H14N2O2, CAS 2680651-89-0
4,4'-(1H-Benzo[d]imidazole-4,7-diyl)dibenzaldehyde
CAS 2680651-89-0C21H14N2O2
2,3-Diphenylquinoxaline-5-carboxylic acid chemical structure, C21H14N2O2, CAS 90833-20-8
2,3-Diphenylquinoxaline-5-carboxylic acid
CAS 90833-20-8C21H14N2O2
Methanone, (4-hydroxyphenyl)(2-phenyl-1,8-naphthyridin-3-yl)- chemical structure, C21H14N2O2, CAS 116625-85-5
Methanone, (4-hydroxyphenyl)(2-phenyl-1,8-naphthyridin-3-yl)-
CAS 116625-85-5C21H14N2O2
N'-(10-Oxophenanthren-9(10H)-ylidene)benzohydrazide chemical structure, C21H14N2O2, CAS 64407-29-0
N'-(10-Oxophenanthren-9(10H)-ylidene)benzohydrazide
CAS 64407-29-0C21H14N2O2
[[4-[Cyano(phenyl)methylidene]cyclohexa-2,5-dien-1-ylidene]amino] benzoate chemical structure, C21H14N2O2, CAS 745-58-4
[[4-[Cyano(phenyl)methylidene]cyclohexa-2,5-dien-1-ylidene]amino] benzoate
CAS 745-58-4C21H14N2O2
2-(Benzylideneamino)-6,7-dihydro-1H-indeno[6,7,1-def]isoquinoline-1,3(2H)-dione chemical structure, C21H14N2O2, CAS 94873-12-8
2-(Benzylideneamino)-6,7-dihydro-1H-indeno[6,7,1-def]isoquinoline-1,3(2H)-dione
CAS 94873-12-8C21H14N2O2
(2Z)-2-(1,3-Benzoxazol-2-yl)-1-phenyl-3-(pyridin-4-yl)prop-2-en-1-one chemical structure, C21H14N2O2
(2Z)-2-(1,3-Benzoxazol-2-yl)-1-phenyl-3-(pyridin-4-yl)prop-2-en-1-one
C21H14N2O2

Frequently asked questions

What is the molar mass of C21H14N2O2?

The molar mass of C21H14N2O2 is 326.36 g/mol, calculated from standard atomic weights for 21 carbon atoms, 14 hydrogen atoms, 2 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 326.1055 Da.

How many compounds have the formula C21H14N2O2?

CompoundList lists 33 compounds with the molecular formula C21H14N2O2, including 2,3-Diphenylquinoxaline-6-carboxylic acid, 6-Nitro-2,4-diphenyl-quinoline, N-(9-Anthracenylmethylene)-4-nitroaniline. 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 C21H14N2O2?

C21H14N2O2 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.