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Molecular formula

C27H21N3O

20 compounds have this formula on CompoundList.

Molar mass
403.49g/mol
Monoisotopic mass
403.1685Da
Atoms
52
Elements
4
Rings plus double bonds
19

The formula C27H21N3O describes a molecule made of 27 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms and 1 oxygen atom. 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 × 2780.37%
    12.011 × 27 = 324.297 g/mol
  • H Hydrogen × 215.25%
    1.008 × 21 = 21.168 g/mol
  • N Nitrogen × 310.41%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 13.97%
    15.999 × 1 = 15.999 g/mol
Look up another formula

Compounds with the formula C27H21N3O

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

Showing 1 to 20 of 20 compounds

2-((Z)-2-((E)-2-(1,1-Dimethyl-5,6-dihydro-1H-pyrrolo[3,2,1-ij]quinolin-2(4H)-ylidene)ethylidene)-3-oxo-2,3-dihydro-1H-inden-1-ylidene)malononitrile chemical structure, C27H21N3O, CAS 1207961-82-7
2-((Z)-2-((E)-2-(1,1-Dimethyl-5,6-dihydro-1H-pyrrolo[3,2,1-ij]quinolin-2(4H)-ylidene)ethylidene)-3-oxo-2,3-dihydro-1H-inden-1-ylidene)malononitrile
CAS 1207961-82-7C27H21N3O
Merocyanine dye, HB194 chemical structure, C27H21N3O
Merocyanine dye, HB194
C27H21N3O
2-(2-(2-(1,1-Dimethyl-5,6-dihydro-1H-pyrrolo[3,2,1-ij]quinolin-2(4H)-ylidene)ethylidene)-3-oxo-2,3-dihydro-1H-inden-1-ylidene)malononitrile chemical structure, C27H21N3O
2-(2-(2-(1,1-Dimethyl-5,6-dihydro-1H-pyrrolo[3,2,1-ij]quinolin-2(4H)-ylidene)ethylidene)-3-oxo-2,3-dihydro-1H-inden-1-ylidene)malononitrile
C27H21N3O
2-[2-[2-(3,3-Dimethyl-1-azatricyclo[6.3.1.04,12]dodeca-4,6,8(12)-trien-2-ylidene)ethylidene]-3-oxoinden-1-ylidene]propanedinitrile chemical structure, C27H21N3O
2-[2-[2-(3,3-Dimethyl-1-azatricyclo[6.3.1.04,12]dodeca-4,6,8(12)-trien-2-ylidene)ethylidene]-3-oxoinden-1-ylidene]propanedinitrile
C27H21N3O
(3E)-2,4-Diphenyl-3-(phenylimino)-2,3,4,5-tetrahydro-1H-2,4-benzodiazepin-1-one chemical structure, C27H21N3O, CAS 71382-74-6
(3E)-2,4-Diphenyl-3-(phenylimino)-2,3,4,5-tetrahydro-1H-2,4-benzodiazepin-1-one
CAS 71382-74-6C27H21N3O
N-[4-(1H-Benzimidazol-2-yl)phenyl]-2,2-diphenylacetamide chemical structure, C27H21N3O, CAS 303138-81-0
N-[4-(1H-Benzimidazol-2-yl)phenyl]-2,2-diphenylacetamide
CAS 303138-81-0C27H21N3O
2-(2-(9H-Fluoren-9-ylidene)hydrazino)-2,2-diphenylacetamide chemical structure, C27H21N3O, CAS 34620-27-4
2-(2-(9H-Fluoren-9-ylidene)hydrazino)-2,2-diphenylacetamide
CAS 34620-27-4C27H21N3O
[2-(4-Methylindolo[2,3-b]quinoxalin-5-yl)ethoxy]naphthalene chemical structure, C27H21N3O, CAS 848740-63-6
[2-(4-Methylindolo[2,3-b]quinoxalin-5-yl)ethoxy]naphthalene
CAS 848740-63-6C27H21N3O
2-Benzyl-N,N-diphenyl-1H-benzimidazole-1-carboxamide chemical structure, C27H21N3O, CAS 432021-22-2
2-Benzyl-N,N-diphenyl-1H-benzimidazole-1-carboxamide
CAS 432021-22-2C27H21N3O
N-(2-Methyl-1-phenylbenzimidazol-5-yl)-4-phenylbenzamide chemical structure, C27H21N3O, CAS 313275-93-3
N-(2-Methyl-1-phenylbenzimidazol-5-yl)-4-phenylbenzamide
CAS 313275-93-3C27H21N3O
2-[2-(4-Methylindolo[2,3-b]quinoxalin-5-yl)ethoxy]naphthalene chemical structure, C27H21N3O, CAS 848686-84-0
2-[2-(4-Methylindolo[2,3-b]quinoxalin-5-yl)ethoxy]naphthalene
CAS 848686-84-0C27H21N3O
6-[3-(Naphthalen-1-yloxy)propyl]-6H-indolo[2,3-b]quinoxaline chemical structure, C27H21N3O, CAS 874613-65-7
6-[3-(Naphthalen-1-yloxy)propyl]-6H-indolo[2,3-b]quinoxaline
CAS 874613-65-7C27H21N3O
N-(2-(1H-Benzo[d]imidazol-2-yl)phenyl)-4-benzylbenzamide chemical structure, C27H21N3O, CAS 476284-64-7
N-(2-(1H-Benzo[d]imidazol-2-yl)phenyl)-4-benzylbenzamide
CAS 476284-64-7C27H21N3O
11-Oxo-N,N'-diphenyl-6H-benzo[c][1]benzazepine-5-carboximidamide chemical structure, C27H21N3O, CAS 71382-75-7
11-Oxo-N,N'-diphenyl-6H-benzo[c][1]benzazepine-5-carboximidamide
CAS 71382-75-7C27H21N3O
N-[[[Anilino(phenyl)methylidene]amino]-phenylmethylidene]benzamide chemical structure, C27H21N3O, CAS 65325-71-5
N-[[[Anilino(phenyl)methylidene]amino]-phenylmethylidene]benzamide
CAS 65325-71-5C27H21N3O
N-[3-(1H-Benzimidazol-2-yl)-2-methylphenyl]-4-phenylbenzamide chemical structure, C27H21N3O, CAS 864714-19-2
N-[3-(1H-Benzimidazol-2-yl)-2-methylphenyl]-4-phenylbenzamide
CAS 864714-19-2C27H21N3O
2-[(1H-Imidazol-1-yl)(4-phenoxyphenyl)phenylmethyl]pyridine chemical structure, C27H21N3O, CAS 34964-28-8
2-[(1H-Imidazol-1-yl)(4-phenoxyphenyl)phenylmethyl]pyridine
CAS 34964-28-8C27H21N3O
[2-(1H-Indol-3-yl)-3-methyl-2,3-dihydro-1H-perimidin-1-yl](phenyl)methanone chemical structure, C27H21N3O, CAS 62078-40-4
[2-(1H-Indol-3-yl)-3-methyl-2,3-dihydro-1H-perimidin-1-yl](phenyl)methanone
CAS 62078-40-4C27H21N3O
(2Z)-1,3,5-Triphenyl-2-(phenylimino)imidazolidin-4-one chemical structure, C27H21N3O, CAS 61505-63-3
(2Z)-1,3,5-Triphenyl-2-(phenylimino)imidazolidin-4-one
CAS 61505-63-3C27H21N3O
N-Trityl-1H-indazole-7-carboxamide chemical structure, C27H21N3O, CAS 1613220-17-9
N-Trityl-1H-indazole-7-carboxamide
CAS 1613220-17-9C27H21N3O

Frequently asked questions

What is the molar mass of C27H21N3O?

The molar mass of C27H21N3O is 403.49 g/mol, calculated from standard atomic weights for 27 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 403.1685 Da.

How many compounds have the formula C27H21N3O?

CompoundList lists 20 compounds with the molecular formula C27H21N3O, including 2-((Z)-2-((E)-2-(1,1-Dimethyl-5,6-dihydro-1H-pyrrolo[3,2,1-ij]quinolin-2(4H)-ylidene)ethylidene)-3-oxo-2,3-dihydro-1H-inden-1-ylidene)malononitrile, Merocyanine dye, HB194, 2-(2-(2-(1,1-Dimethyl-5,6-dihydro-1H-pyrrolo[3,2,1-ij]quinolin-2(4H)-ylidene)ethylidene)-3-oxo-2,3-dihydro-1H-inden-1-ylidene)malononitrile. 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 C27H21N3O?

C27H21N3O has a degree of unsaturation of 19. 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.