CompoundList
Sign in
Molecular formula

C21H14N4O

22 compounds have this formula on CompoundList.

Molar mass
338.37g/mol
Monoisotopic mass
338.1168Da
Atoms
40
Elements
4
Rings plus double bonds
17

The formula C21H14N4O describes a molecule made of 21 carbon atoms, 14 hydrogen atoms, 4 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 × 2174.54%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 144.17%
    1.008 × 14 = 14.112 g/mol
  • N Nitrogen × 416.56%
    14.007 × 4 = 56.028 g/mol
  • O Oxygen × 14.73%
    15.999 × 1 = 15.999 g/mol
Look up another formula

Compounds with the formula C21H14N4O

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

Showing 1 to 22 of 22 compounds

5H-Spiro[benzimidazo[1,2-c]quinazoline-6,3'-indol]-2'(1'H)-one chemical structure, C21H14N4O, CAS 326875-62-1
5H-Spiro[benzimidazo[1,2-c]quinazoline-6,3'-indol]-2'(1'H)-one
CAS 326875-62-1C21H14N4O
KF-19418 chemical structure, C21H14N4O, CAS 147508-06-3
KF-19418
CAS 147508-06-3C21H14N4O
3-Cyano-N-(2-phenylimidazo[1,2-a]pyridin-3-yl)benzamide chemical structure, C21H14N4O, CAS 852960-28-2
3-Cyano-N-(2-phenylimidazo[1,2-a]pyridin-3-yl)benzamide
CAS 852960-28-2C21H14N4O
4-(3-(Quinolin-4-yl)pyrazolo[1,5-a]pyrimidin-6-yl)phenol chemical structure, C21H14N4O, CAS 1062368-56-2
4-(3-(Quinolin-4-yl)pyrazolo[1,5-a]pyrimidin-6-yl)phenol
CAS 1062368-56-2C21H14N4O
N-(Benzimidazolo[1,2-c]quinazolin-6-yl)benzamide chemical structure, C21H14N4O, CAS 361173-76-4
N-(Benzimidazolo[1,2-c]quinazolin-6-yl)benzamide
CAS 361173-76-4C21H14N4O
4-(4-Phenylphenoxy)-[1,2,4]triazolo[4,3-a]quinoxaline chemical structure, C21H14N4O, CAS 312587-69-2
4-(4-Phenylphenoxy)-[1,2,4]triazolo[4,3-a]quinoxaline
CAS 312587-69-2C21H14N4O
N-[2-(1H-Benzimidazol-2-yl)phenyl]-4-cyanobenzamide chemical structure, C21H14N4O, CAS 306289-83-8
N-[2-(1H-Benzimidazol-2-yl)phenyl]-4-cyanobenzamide
CAS 306289-83-8C21H14N4O
(E)-2-Cyano-3-(1H-indol-3-yl)-N-quinolin-5-ylprop-2-enamide chemical structure, C21H14N4O, CAS 454651-65-1
(E)-2-Cyano-3-(1H-indol-3-yl)-N-quinolin-5-ylprop-2-enamide
CAS 454651-65-1C21H14N4O
N-[4-(1H-Benzimidazol-2-yl)phenyl]-4-cyanobenzamide chemical structure, C21H14N4O, CAS 476634-04-5
N-[4-(1H-Benzimidazol-2-yl)phenyl]-4-cyanobenzamide
CAS 476634-04-5C21H14N4O
N-[3-(1H-Benzimidazol-2-yl)phenyl]-4-cyanobenzamide chemical structure, C21H14N4O, CAS 477493-21-3
N-[3-(1H-Benzimidazol-2-yl)phenyl]-4-cyanobenzamide
CAS 477493-21-3C21H14N4O
5-[3-(Naphthalen-2-yl)-1H-pyrazol-5-yl]-3-phenyl-1,2,4-oxadiazole chemical structure, C21H14N4O, CAS 1094605-78-3
5-[3-(Naphthalen-2-yl)-1H-pyrazol-5-yl]-3-phenyl-1,2,4-oxadiazole
CAS 1094605-78-3C21H14N4O
5-[4-(4-Pyridinyl)-6-quinolinyl]-2-benzoxazolamine chemical structure, C21H14N4O, CAS 1268453-20-8
5-[4-(4-Pyridinyl)-6-quinolinyl]-2-benzoxazolamine
CAS 1268453-20-8C21H14N4O
5-[4-(3-Pyridinyl)-6-quinolinyl]-2-benzoxazolamine chemical structure, C21H14N4O, CAS 1268453-78-6
5-[4-(3-Pyridinyl)-6-quinolinyl]-2-benzoxazolamine
CAS 1268453-78-6C21H14N4O
6-[4-(4-Pyridinyl)-6-quinolinyl]-1,2-benzisoxazol-3-amine chemical structure, C21H14N4O, CAS 1268453-50-4
6-[4-(4-Pyridinyl)-6-quinolinyl]-1,2-benzisoxazol-3-amine
CAS 1268453-50-4C21H14N4O
5-[4-(4-Pyridinyl)-6-quinolinyl]-1,2-benzisoxazol-3-amine chemical structure, C21H14N4O, CAS 1268453-54-8
5-[4-(4-Pyridinyl)-6-quinolinyl]-1,2-benzisoxazol-3-amine
CAS 1268453-54-8C21H14N4O
2-(6-Phenyl-[1,2,4]triazolo[4,3-a]pyridin-3-yl)quinolin-8-ol chemical structure, C21H14N4O, CAS 1209780-50-6
2-(6-Phenyl-[1,2,4]triazolo[4,3-a]pyridin-3-yl)quinolin-8-ol
CAS 1209780-50-6C21H14N4O
2-(7-(Pyridin-3-yl)imidazo[1,2-a]pyridin-3-yl)quinolin-8-ol chemical structure, C21H14N4O, CAS 1070897-04-9
2-(7-(Pyridin-3-yl)imidazo[1,2-a]pyridin-3-yl)quinolin-8-ol
CAS 1070897-04-9C21H14N4O
Pyrimido[5,4-a]phenazin-5-ol, 1-methyl-3-phenyl- chemical structure, C21H14N4O, CAS 61416-96-4
Pyrimido[5,4-a]phenazin-5-ol, 1-methyl-3-phenyl-
CAS 61416-96-4C21H14N4O
1-Phenyl-3-(5-phenyl-1,2,4-oxadiazol-3-yl)-1H-indazole chemical structure, C21H14N4O, CAS 96798-87-7
1-Phenyl-3-(5-phenyl-1,2,4-oxadiazol-3-yl)-1H-indazole
CAS 96798-87-7C21H14N4O
1,3-Diphenyl-1,3-dihydroimidazo[4,5-b]quinoxalin-2-one chemical structure, C21H14N4O, CAS 15051-50-0
1,3-Diphenyl-1,3-dihydroimidazo[4,5-b]quinoxalin-2-one
CAS 15051-50-0C21H14N4O
3,10-Diphenyl[1,2,3,5]tetrazino[5,4-a]indol-4(3H)-one chemical structure, C21H14N4O, CAS 834910-19-9
3,10-Diphenyl[1,2,3,5]tetrazino[5,4-a]indol-4(3H)-one
CAS 834910-19-9C21H14N4O
6-([2,2'-Bipyridin]-6-yl)-2-phenylpyrimidine-4-carbaldehyde chemical structure, C21H14N4O, CAS 922726-31-6
6-([2,2'-Bipyridin]-6-yl)-2-phenylpyrimidine-4-carbaldehyde
CAS 922726-31-6C21H14N4O

Frequently asked questions

What is the molar mass of C21H14N4O?

The molar mass of C21H14N4O is 338.37 g/mol, calculated from standard atomic weights for 21 carbon atoms, 14 hydrogen atoms, 4 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 338.1168 Da.

How many compounds have the formula C21H14N4O?

CompoundList lists 22 compounds with the molecular formula C21H14N4O, including 5H-Spiro[benzimidazo[1,2-c]quinazoline-6,3'-indol]-2'(1'H)-one, KF-19418, 3-Cyano-N-(2-phenylimidazo[1,2-a]pyridin-3-yl)benzamide. 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 C21H14N4O?

C21H14N4O has a degree of unsaturation of 17. 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.