CompoundList
Molecular formula

C21H19NO2

156 compounds have this formula on CompoundList.

Molar mass
317.39g/mol
Monoisotopic mass
317.1416Da
Atoms
43
Elements
4
Rings plus double bonds
13

The formula C21H19NO2 describes a molecule made of 21 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom 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 × 2179.47%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 196.03%
    1.008 × 19 = 19.152 g/mol
  • N Nitrogen × 14.41%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 210.08%
    15.999 × 2 = 31.998 g/mol
Look up another formula

Compounds with the formula C21H19NO2

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

Showing 101 to 156 of 156 compounds

(2e)-N-(3,4-Dimethylphenyl)-3-(furan-2-yl)-2-phenylprop-2-enamide chemical structure, C21H19NO2, CAS 6421-94-9
(2e)-N-(3,4-Dimethylphenyl)-3-(furan-2-yl)-2-phenylprop-2-enamide
CAS 6421-94-9C21H19NO2
2,5-Dimethyl-N-(4-phenoxyphenyl)benzamide chemical structure, C21H19NO2, CAS 702650-72-4
2,5-Dimethyl-N-(4-phenoxyphenyl)benzamide
CAS 702650-72-4C21H19NO2
Ethyl 4-(diphenylamino)benzoate chemical structure, C21H19NO2, CAS 104854-58-2
Ethyl 4-(diphenylamino)benzoate
CAS 104854-58-2C21H19NO2
[3-(4-Ethoxyanilino)phenyl](phenyl)methanone chemical structure, C21H19NO2, CAS 88429-22-5
[3-(4-Ethoxyanilino)phenyl](phenyl)methanone
CAS 88429-22-5C21H19NO2
9H-Carbazole, 9-[2-(methoxymethoxy)-5-methylphenyl]- chemical structure, C21H19NO2, CAS 869336-00-5
9H-Carbazole, 9-[2-(methoxymethoxy)-5-methylphenyl]-
CAS 869336-00-5C21H19NO2
2-(2-Benzoyl-1,2-dihydro-1-isoquinolinyl)cyclopentanone chemical structure, C21H19NO2, CAS 34950-84-0
2-(2-Benzoyl-1,2-dihydro-1-isoquinolinyl)cyclopentanone
CAS 34950-84-0C21H19NO2
N-[([1,1'-Biphenyl]-3-yl)methyl]-2-hydroxy-4-methylbenzamide chemical structure, C21H19NO2, CAS 648924-58-7
N-[([1,1'-Biphenyl]-3-yl)methyl]-2-hydroxy-4-methylbenzamide
CAS 648924-58-7C21H19NO2
N-[([1,1'-Biphenyl]-3-yl)methyl]-2-hydroxy-3-methylbenzamide chemical structure, C21H19NO2, CAS 648924-57-6
N-[([1,1'-Biphenyl]-3-yl)methyl]-2-hydroxy-3-methylbenzamide
CAS 648924-57-6C21H19NO2
N-[([1,1'-Biphenyl]-3-yl)methyl]-2-hydroxy-5-methylbenzamide chemical structure, C21H19NO2, CAS 648924-59-8
N-[([1,1'-Biphenyl]-3-yl)methyl]-2-hydroxy-5-methylbenzamide
CAS 648924-59-8C21H19NO2
3-Acetyl-4-phenyl-6-(2-phenylethenyl)-3,4-dihydropyridin-2(1H)-one chemical structure, C21H19NO2, CAS 89055-90-3
3-Acetyl-4-phenyl-6-(2-phenylethenyl)-3,4-dihydropyridin-2(1H)-one
CAS 89055-90-3C21H19NO2
4-{2-[3-(Benzyloxy)-5-methoxyphenyl]ethenyl}pyridine chemical structure, C21H19NO2, CAS 62205-23-6
4-{2-[3-(Benzyloxy)-5-methoxyphenyl]ethenyl}pyridine
CAS 62205-23-6C21H19NO2
2-Phenyl-4-(4-phenylcyclohexylidene)-1,3-oxazol-5(4H)-one chemical structure, C21H19NO2, CAS 823813-50-9
2-Phenyl-4-(4-phenylcyclohexylidene)-1,3-oxazol-5(4H)-one
CAS 823813-50-9C21H19NO2
9-[(2,5-Dimethoxyphenyl)methyl]-9H-carbazole chemical structure, C21H19NO2, CAS 927199-72-2
9-[(2,5-Dimethoxyphenyl)methyl]-9H-carbazole
CAS 927199-72-2C21H19NO2
Benzyl (diphenylmethyl)carbamate chemical structure, C21H19NO2, CAS 5180-34-7
Benzyl (diphenylmethyl)carbamate
CAS 5180-34-7C21H19NO2
4-[[4-(3-Hydroxy-1-propen-1-yl)phenyl]phenylamino]phenol chemical structure, C21H19NO2, CAS 845887-24-3
4-[[4-(3-Hydroxy-1-propen-1-yl)phenyl]phenylamino]phenol
CAS 845887-24-3C21H19NO2
2'-[(Benzylamino)methyl][1,1'-biphenyl]-2-carboxylic acid chemical structure, C21H19NO2, CAS 31638-35-4
2'-[(Benzylamino)methyl][1,1'-biphenyl]-2-carboxylic acid
CAS 31638-35-4C21H19NO2
Benzyl 2-(4'-amino-[1,1'-biphenyl]-4-yl)acetate chemical structure, C21H19NO2, CAS 70957-50-5
Benzyl 2-(4'-amino-[1,1'-biphenyl]-4-yl)acetate
CAS 70957-50-5C21H19NO2
2-[(2,3-Dimethylphenyl)phenylamino]benzoic acid chemical structure, C21H19NO2, CAS 17626-45-8
2-[(2,3-Dimethylphenyl)phenylamino]benzoic acid
CAS 17626-45-8C21H19NO2
4-(N-Benzyl-2-phenylethanimidoyl)benzene-1,3-diol chemical structure, C21H19NO2, CAS 17750-85-5
4-(N-Benzyl-2-phenylethanimidoyl)benzene-1,3-diol
CAS 17750-85-5C21H19NO2
Ethenyl 5,6-dihydro-11H-benzo[a]carbazole-11-propanoate chemical structure, C21H19NO2, CAS 23690-90-6
Ethenyl 5,6-dihydro-11H-benzo[a]carbazole-11-propanoate
CAS 23690-90-6C21H19NO2
3,6-Dimethoxy-9-(phenylmethyl)-9H-carbazole chemical structure, C21H19NO2, CAS 1519764-17-0
3,6-Dimethoxy-9-(phenylmethyl)-9H-carbazole
CAS 1519764-17-0C21H19NO2
N-(4-Methoxyphenyl)-6-methyl-2H-naphtho[1,2-b]pyran-2-amine chemical structure, C21H19NO2, CAS 88988-94-7
N-(4-Methoxyphenyl)-6-methyl-2H-naphtho[1,2-b]pyran-2-amine
CAS 88988-94-7C21H19NO2
N-Benzyl-4-methoxy-N-phenylbenzamide chemical structure, C21H19NO2, CAS 111735-27-4
N-Benzyl-4-methoxy-N-phenylbenzamide
CAS 111735-27-4C21H19NO2
6-Benzyl-2-phenyl-5,6,7,8-tetrahydro-4H-pyrano[3,2-c]pyridin-4-one chemical structure, C21H19NO2, CAS 110523-76-7
6-Benzyl-2-phenyl-5,6,7,8-tetrahydro-4H-pyrano[3,2-c]pyridin-4-one
CAS 110523-76-7C21H19NO2

Frequently asked questions

What is the molar mass of C21H19NO2?

The molar mass of C21H19NO2 is 317.39 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom and 2 oxygen atoms. The monoisotopic mass is 317.1416 Da.

How many compounds have the formula C21H19NO2?

CompoundList lists 156 compounds with the molecular formula C21H19NO2, including (2e)-N-(3,4-Dimethylphenyl)-3-(furan-2-yl)-2-phenylprop-2-enamide, 2,5-Dimethyl-N-(4-phenoxyphenyl)benzamide, Ethyl 4-(diphenylamino)benzoate. 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 C21H19NO2?

C21H19NO2 has a degree of unsaturation of 13. 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.