CompoundList
Molecular formula

C20H21N3O2

445 compounds have this formula on CompoundList.

Molar mass
335.41g/mol
Monoisotopic mass
335.1634Da
Atoms
46
Elements
4
Rings plus double bonds
12

The formula C20H21N3O2 describes a molecule made of 20 carbon atoms, 21 hydrogen atoms, 3 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 × 2071.62%
    12.011 × 20 = 240.220 g/mol
  • H Hydrogen × 216.31%
    1.008 × 21 = 21.168 g/mol
  • N Nitrogen × 312.53%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 29.54%
    15.999 × 2 = 31.998 g/mol
Look up another formula

Compounds with the formula C20H21N3O2

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

Showing 201 to 300 of 445 compounds

(4-(1H-Benzo[d]imidazol-2-yl)piperidin-1-yl)(4-methoxyphenyl)methanone chemical structure, C20H21N3O2, CAS 605626-76-4
(4-(1H-Benzo[d]imidazol-2-yl)piperidin-1-yl)(4-methoxyphenyl)methanone
CAS 605626-76-4C20H21N3O2
N-(2,4-Dimethylphenyl)-3-[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]propanamide chemical structure, C20H21N3O2, CAS 831193-23-8
N-(2,4-Dimethylphenyl)-3-[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]propanamide
CAS 831193-23-8C20H21N3O2
1-Methyl-5-nitro-3-phenyl-2-(pyrrolidin-1-ylmethyl)indole chemical structure, C20H21N3O2, CAS 89159-70-6
1-Methyl-5-nitro-3-phenyl-2-(pyrrolidin-1-ylmethyl)indole
CAS 89159-70-6C20H21N3O2
2-Methyl-N-[4-[5-(2-methylphenyl)-1,3,4-oxadiazol-2-yl]phenyl]butanamide chemical structure, C20H21N3O2, CAS 847469-48-1
2-Methyl-N-[4-[5-(2-methylphenyl)-1,3,4-oxadiazol-2-yl]phenyl]butanamide
CAS 847469-48-1C20H21N3O2
Propionamide, 2-(m-(2,5-dimethyl-1-pyrrolyl)phenoxy)-N-pyridyl- chemical structure, C20H21N3O2, CAS 92182-82-6
Propionamide, 2-(m-(2,5-dimethyl-1-pyrrolyl)phenoxy)-N-pyridyl-
CAS 92182-82-6C20H21N3O2
6H-Pyridazino(4,5-b)carbazole, 1,4-diethoxy-5-ethyl- chemical structure, C20H21N3O2, CAS 126854-09-9
6H-Pyridazino(4,5-b)carbazole, 1,4-diethoxy-5-ethyl-
CAS 126854-09-9C20H21N3O2
N-Benzyl-1-[(2,4-dimethylphenoxy)methyl]pyrazole-3-carboxamide chemical structure, C20H21N3O2, CAS 1005580-25-5
N-Benzyl-1-[(2,4-dimethylphenoxy)methyl]pyrazole-3-carboxamide
CAS 1005580-25-5C20H21N3O2
N-Methyl-N-{[3-(3-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl}-3-phenylpropanamide chemical structure, C20H21N3O2, CAS 896659-81-7
N-Methyl-N-{[3-(3-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl}-3-phenylpropanamide
CAS 896659-81-7C20H21N3O2
N-(1,5-Dimethyl-3-oxo-2-phenylpyrazol-4-yl)-2-(2-methylphenyl)acetamide chemical structure, C20H21N3O2, CAS 915908-17-7
N-(1,5-Dimethyl-3-oxo-2-phenylpyrazol-4-yl)-2-(2-methylphenyl)acetamide
CAS 915908-17-7C20H21N3O2
N-(4-(2-Methyl-4-oxoquinazolin-3(4H)-yl)phenyl)pivalamide chemical structure, C20H21N3O2, CAS 904279-12-5
N-(4-(2-Methyl-4-oxoquinazolin-3(4H)-yl)phenyl)pivalamide
CAS 904279-12-5C20H21N3O2
N-[3-(2-Methyl-4-oxoquinazolin-3-yl)phenyl]pentanamide chemical structure, C20H21N3O2, CAS 898428-61-0
N-[3-(2-Methyl-4-oxoquinazolin-3-yl)phenyl]pentanamide
CAS 898428-61-0C20H21N3O2
1-(3,5-Dimethylphenyl)-3-[(4-methoxyphenyl)methylamino]pyrazin-2-one chemical structure, C20H21N3O2, CAS 941929-56-2
1-(3,5-Dimethylphenyl)-3-[(4-methoxyphenyl)methylamino]pyrazin-2-one
CAS 941929-56-2C20H21N3O2
N-(1-Methylpiperidin-4-yl)-2-phenylbenzoxazole-4-carboxamide chemical structure, C20H21N3O2, CAS 906093-55-8
N-(1-Methylpiperidin-4-yl)-2-phenylbenzoxazole-4-carboxamide
CAS 906093-55-8C20H21N3O2
N-(3-Methyl-1-phenyl-2-propyl-3-pyrazolin-5-ylidene)salicylamide chemical structure, C20H21N3O2, CAS 96935-36-3
N-(3-Methyl-1-phenyl-2-propyl-3-pyrazolin-5-ylidene)salicylamide
CAS 96935-36-3C20H21N3O2
1-(4-Ethoxyphenyl)-3-(phenethylamino)pyrazin-2(1H)-one chemical structure, C20H21N3O2, CAS 899950-60-8
1-(4-Ethoxyphenyl)-3-(phenethylamino)pyrazin-2(1H)-one
CAS 899950-60-8C20H21N3O2
7-Methyl-4-{[4-(pyridin-2-yl)piperazin-1-yl]methyl}-2H-chromen-2-one chemical structure, C20H21N3O2, CAS 945194-21-8
7-Methyl-4-{[4-(pyridin-2-yl)piperazin-1-yl]methyl}-2H-chromen-2-one
CAS 945194-21-8C20H21N3O2
4-(Furan-2-ylmethyl)-N-(naphthalen-1-yl)piperazine-1-carboxamide chemical structure, C20H21N3O2, CAS 905628-71-9
4-(Furan-2-ylmethyl)-N-(naphthalen-1-yl)piperazine-1-carboxamide
CAS 905628-71-9C20H21N3O2
N-(3-Methoxypropyl)-1,3-diphenylpyrazole-4-carboxamide chemical structure, C20H21N3O2, CAS 881667-29-4
N-(3-Methoxypropyl)-1,3-diphenylpyrazole-4-carboxamide
CAS 881667-29-4C20H21N3O2
N-{2,8-Dimethyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}-4-phenylbutanamide chemical structure, C20H21N3O2, CAS 946234-25-9
N-{2,8-Dimethyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}-4-phenylbutanamide
CAS 946234-25-9C20H21N3O2
Methyl 4-{[4-(dimethylamino)phenyl]amino}-8-methylquinoline-2-carboxylate chemical structure, C20H21N3O2, CAS 1207050-21-2
Methyl 4-{[4-(dimethylamino)phenyl]amino}-8-methylquinoline-2-carboxylate
CAS 1207050-21-2C20H21N3O2
(3-(4-Methoxyphenyl)pyrrolidin-1-yl)(2-methylimidazo[1,2-a]pyridin-3-yl)methanone chemical structure, C20H21N3O2, CAS 1208664-11-2
(3-(4-Methoxyphenyl)pyrrolidin-1-yl)(2-methylimidazo[1,2-a]pyridin-3-yl)methanone
CAS 1208664-11-2C20H21N3O2
3-(4-(Benzyloxy)phenyl)-5-(pyrrolidin-1-ylmethyl)-1,2,4-oxadiazole chemical structure, C20H21N3O2, CAS 1252823-15-6
3-(4-(Benzyloxy)phenyl)-5-(pyrrolidin-1-ylmethyl)-1,2,4-oxadiazole
CAS 1252823-15-6C20H21N3O2
3-Phenyl-N-[2-(tetrahydrofuran-2-yl)-1H-benzimidazol-5-yl]propanamide chemical structure, C20H21N3O2, CAS 1224169-36-1
3-Phenyl-N-[2-(tetrahydrofuran-2-yl)-1H-benzimidazol-5-yl]propanamide
CAS 1224169-36-1C20H21N3O2
2-((2-Ethylquinazolin-4-yl)oxy)-N-(4-methylbenzyl)acetamide chemical structure, C20H21N3O2, CAS 1116082-44-0
2-((2-Ethylquinazolin-4-yl)oxy)-N-(4-methylbenzyl)acetamide
CAS 1116082-44-0C20H21N3O2

Frequently asked questions

What is the molar mass of C20H21N3O2?

The molar mass of C20H21N3O2 is 335.41 g/mol, calculated from standard atomic weights for 20 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 335.1634 Da.

How many compounds have the formula C20H21N3O2?

CompoundList lists 445 compounds with the molecular formula C20H21N3O2, including (4-(1H-Benzo[d]imidazol-2-yl)piperidin-1-yl)(4-methoxyphenyl)methanone, N-(2,4-Dimethylphenyl)-3-[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]propanamide, 1-Methyl-5-nitro-3-phenyl-2-(pyrrolidin-1-ylmethyl)indole. 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 C20H21N3O2?

C20H21N3O2 has a degree of unsaturation of 12. 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.