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Molecular formula

C21H20N4O

123 compounds have this formula on CompoundList.

Molar mass
344.42g/mol
Monoisotopic mass
344.1637Da
Atoms
46
Elements
4
Rings plus double bonds
14

The formula C21H20N4O describes a molecule made of 21 carbon atoms, 20 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 × 2173.23%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 205.85%
    1.008 × 20 = 20.160 g/mol
  • N Nitrogen × 416.27%
    14.007 × 4 = 56.028 g/mol
  • O Oxygen × 14.65%
    15.999 × 1 = 15.999 g/mol
Look up another formula

Compounds with the formula C21H20N4O

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

Showing 101 to 123 of 123 compounds

N-{2-[4-(1-Methyl-1H-pyrazol-5-yl)phenyl]ethyl}-1H-indole-2-carboxamide chemical structure, C21H20N4O, CAS 2640835-61-4
N-{2-[4-(1-Methyl-1H-pyrazol-5-yl)phenyl]ethyl}-1H-indole-2-carboxamide
CAS 2640835-61-4C21H20N4O
Propanenitrile, 3-[ethyl[4-[2-(2-oxo-1(2H)-naphthalenylidene)hydrazinyl]phenyl]amino]- chemical structure, C21H20N4O, CAS 274691-49-5
Propanenitrile, 3-[ethyl[4-[2-(2-oxo-1(2H)-naphthalenylidene)hydrazinyl]phenyl]amino]-
CAS 274691-49-5C21H20N4O
N-(2-((3-Cyano-8-methylquinolin-2-yl)amino)ethyl)-4-methylbenzamide chemical structure, C21H20N4O, CAS 606104-82-9
N-(2-((3-Cyano-8-methylquinolin-2-yl)amino)ethyl)-4-methylbenzamide
CAS 606104-82-9C21H20N4O
4,11-Diphenyl-1,2,8,9-tetraazadispiro[4.1.4~7~.2~5~]trideca-1,8-dien-6-one chemical structure, C21H20N4O, CAS 92918-36-0
4,11-Diphenyl-1,2,8,9-tetraazadispiro[4.1.4~7~.2~5~]trideca-1,8-dien-6-one
CAS 92918-36-0C21H20N4O
9-Benzyl-6-(2-(benzyloxy)ethyl)-9H-purine chemical structure, C21H20N4O, CAS 920503-49-7
9-Benzyl-6-(2-(benzyloxy)ethyl)-9H-purine
CAS 920503-49-7C21H20N4O
N-Benzyl-2-cyano-3-{4-[(2-cyanoethyl)(methyl)amino]phenyl}prop-2-enamide chemical structure, C21H20N4O, CAS 940850-45-3
N-Benzyl-2-cyano-3-{4-[(2-cyanoethyl)(methyl)amino]phenyl}prop-2-enamide
CAS 940850-45-3C21H20N4O
2-(Methoxymethyl)-6-(4-methylphenyl)-3-phenylpyrazolo[1,5-a]pyrimidin-7-amine chemical structure, C21H20N4O, CAS 948142-20-9
2-(Methoxymethyl)-6-(4-methylphenyl)-3-phenylpyrazolo[1,5-a]pyrimidin-7-amine
CAS 948142-20-9C21H20N4O
2-({[2-Methyl-4-(pyrrolidin-1-yl)quinazolin-7-yl]oxy}methyl)benzonitrile chemical structure, C21H20N4O, CAS 646450-61-5
2-({[2-Methyl-4-(pyrrolidin-1-yl)quinazolin-7-yl]oxy}methyl)benzonitrile
CAS 646450-61-5C21H20N4O
1-(2-Imidazo[1,2-a]pyridin-3-yl-8-quinolinyl)-4-piperidinol chemical structure, C21H20N4O, CAS 1067913-63-6
1-(2-Imidazo[1,2-a]pyridin-3-yl-8-quinolinyl)-4-piperidinol
CAS 1067913-63-6C21H20N4O
3-[(3-Aminophenyl)methyl]-3,4-dihydro-6-phenoxy-2-quinazolinamine chemical structure, C21H20N4O, CAS 876768-90-0
3-[(3-Aminophenyl)methyl]-3,4-dihydro-6-phenoxy-2-quinazolinamine
CAS 876768-90-0C21H20N4O
4-[5-(1-Cyclopropyl-3-ethyl-1H-indazol-6-yl)-1H-pyrazol-1-yl]phenol chemical structure, C21H20N4O, CAS 885133-11-9
4-[5-(1-Cyclopropyl-3-ethyl-1H-indazol-6-yl)-1H-pyrazol-1-yl]phenol
CAS 885133-11-9C21H20N4O
2-{3-[(Pyridin-4-yloxy)methyl]piperidin-1-yl}quinoline-3-carbonitrile chemical structure, C21H20N4O, CAS 2380095-28-1
2-{3-[(Pyridin-4-yloxy)methyl]piperidin-1-yl}quinoline-3-carbonitrile
CAS 2380095-28-1C21H20N4O
4-{3-[2-(Propan-2-yl)-1H-1,3-benzodiazol-1-yl]azetidine-1-carbonyl}benzonitrile chemical structure, C21H20N4O, CAS 2415630-92-9
4-{3-[2-(Propan-2-yl)-1H-1,3-benzodiazol-1-yl]azetidine-1-carbonyl}benzonitrile
CAS 2415630-92-9C21H20N4O
3-{3-[2-(Propan-2-yl)-1H-1,3-benzodiazol-1-yl]azetidine-1-carbonyl}benzonitrile chemical structure, C21H20N4O, CAS 2415562-33-1
3-{3-[2-(Propan-2-yl)-1H-1,3-benzodiazol-1-yl]azetidine-1-carbonyl}benzonitrile
CAS 2415562-33-1C21H20N4O
N-(1-Cyanocyclobutyl)-N-methyl-1-(3-methylphenyl)-1H-1,3-benzodiazole-5-carboxamide chemical structure, C21H20N4O, CAS 2418659-72-8
N-(1-Cyanocyclobutyl)-N-methyl-1-(3-methylphenyl)-1H-1,3-benzodiazole-5-carboxamide
CAS 2418659-72-8C21H20N4O
7-Methyl-N-[1-[4-(1H-pyrazol-1-yl)phenyl]ethyl]-1H-indole-2-carboxamide chemical structure, C21H20N4O, CAS 2411754-80-6
7-Methyl-N-[1-[4-(1H-pyrazol-1-yl)phenyl]ethyl]-1H-indole-2-carboxamide
CAS 2411754-80-6C21H20N4O
1H-Indole-2-carboxamide,N-[3-(2-phenyl-1H-imidazol-1-yl)propyl]- chemical structure, C21H20N4O, CAS 106876-26-0
1H-Indole-2-carboxamide,N-[3-(2-phenyl-1H-imidazol-1-yl)propyl]-
CAS 106876-26-0C21H20N4O
3-(4-(Quinolin-4-yl)-1H-1,2,3-triazol-1-yl)-3-(p-tolyl)propan-1-ol chemical structure, C21H20N4O, CAS 1309107-77-4
3-(4-(Quinolin-4-yl)-1H-1,2,3-triazol-1-yl)-3-(p-tolyl)propan-1-ol
CAS 1309107-77-4C21H20N4O
1-[[3-(Imidazol-1-ylmethyl)-5-phenylmethoxyphenyl]methyl]imidazole chemical structure, C21H20N4O, CAS 885317-83-9
1-[[3-(Imidazol-1-ylmethyl)-5-phenylmethoxyphenyl]methyl]imidazole
CAS 885317-83-9C21H20N4O
6-[(4-Ethenylphenyl)methyl]-2-propyl-[1,2,4]triazolo[1,5-c]quinazolin-5-one chemical structure, C21H20N4O, CAS 2380182-83-0
6-[(4-Ethenylphenyl)methyl]-2-propyl-[1,2,4]triazolo[1,5-c]quinazolin-5-one
CAS 2380182-83-0C21H20N4O
2-{3-[(Pyridin-4-yloxy)methyl]piperidin-1-yl}quinoline-4-carbonitrile chemical structure, C21H20N4O, CAS 2415569-38-7
2-{3-[(Pyridin-4-yloxy)methyl]piperidin-1-yl}quinoline-4-carbonitrile
CAS 2415569-38-7C21H20N4O
6-Methoxy-2-[3-(2-methyl-1H-1,3-benzodiazol-1-yl)azetidin-1-yl]quinoline chemical structure, C21H20N4O, CAS 2770634-04-1
6-Methoxy-2-[3-(2-methyl-1H-1,3-benzodiazol-1-yl)azetidin-1-yl]quinoline
CAS 2770634-04-1C21H20N4O
Benzamide, 4-(dimethylamino)-N-[4-[(1Z)-2-phenyldiazenyl]phenyl]- chemical structure, C21H20N4O, CAS 1322220-91-6
Benzamide, 4-(dimethylamino)-N-[4-[(1Z)-2-phenyldiazenyl]phenyl]-
CAS 1322220-91-6C21H20N4O

Frequently asked questions

What is the molar mass of C21H20N4O?

The molar mass of C21H20N4O is 344.42 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 4 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 344.1637 Da.

How many compounds have the formula C21H20N4O?

CompoundList lists 123 compounds with the molecular formula C21H20N4O, including N-{2-[4-(1-Methyl-1H-pyrazol-5-yl)phenyl]ethyl}-1H-indole-2-carboxamide, Propanenitrile, 3-[ethyl[4-[2-(2-oxo-1(2H)-naphthalenylidene)hydrazinyl]phenyl]amino]-, N-(2-((3-Cyano-8-methylquinolin-2-yl)amino)ethyl)-4-methylbenzamide. 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 C21H20N4O?

C21H20N4O has a degree of unsaturation of 14. 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.