CompoundList
Molecular formula

C21H22N2O

146 compounds have this formula on CompoundList.

Molar mass
318.42g/mol
Monoisotopic mass
318.1732Da
Atoms
46
Elements
4
Rings plus double bonds
12

The formula C21H22N2O describes a molecule made of 21 carbon atoms, 22 hydrogen atoms, 2 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 × 2179.21%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 226.96%
    1.008 × 22 = 22.176 g/mol
  • N Nitrogen × 28.80%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 15.02%
    15.999 × 1 = 15.999 g/mol
Look up another formula

Compounds with the formula C21H22N2O

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

Showing 101 to 146 of 146 compounds

2-[(2,3-Dihydro-1H-inden-1-yl)(prop-2-yn-1-yl)amino]-N-methyl-N-phenylacetamide chemical structure, C21H22N2O, CAS 1333546-69-2
2-[(2,3-Dihydro-1H-inden-1-yl)(prop-2-yn-1-yl)amino]-N-methyl-N-phenylacetamide
CAS 1333546-69-2C21H22N2O
(1R,5S)-N-Benzhydryl-8-azabicyclo[3.2.1]oct-2-ene-8-carboxamide chemical structure, C21H22N2O, CAS 1797875-10-5
(1R,5S)-N-Benzhydryl-8-azabicyclo[3.2.1]oct-2-ene-8-carboxamide
CAS 1797875-10-5C21H22N2O
6-Amino-1-(11,12-didehydrodibenz[b,f]azocin-5(6H)-yl)-1-hexanone chemical structure, C21H22N2O, CAS 1255942-05-2
6-Amino-1-(11,12-didehydrodibenz[b,f]azocin-5(6H)-yl)-1-hexanone
CAS 1255942-05-2C21H22N2O
(1H-Indol-3-yl)(3-phenylazepan-1-yl)methanone chemical structure, C21H22N2O, CAS 1705668-57-0
(1H-Indol-3-yl)(3-phenylazepan-1-yl)methanone
CAS 1705668-57-0C21H22N2O
Indolizin-2-yl(3-phenylazepan-1-yl)methanone chemical structure, C21H22N2O, CAS 2034382-71-1
Indolizin-2-yl(3-phenylazepan-1-yl)methanone
CAS 2034382-71-1C21H22N2O
1-(2-Phenyl-3-(pyrrolidin-1-ylmethyl)indol-1-yl)ethanone chemical structure, C21H22N2O, CAS 120239-57-8
1-(2-Phenyl-3-(pyrrolidin-1-ylmethyl)indol-1-yl)ethanone
CAS 120239-57-8C21H22N2O
2-(4-Cyclohexylphenyl)-6-methyl-3-nitrosoindolizine chemical structure, C21H22N2O, CAS 7770-52-7
2-(4-Cyclohexylphenyl)-6-methyl-3-nitrosoindolizine
CAS 7770-52-7C21H22N2O
Spiro[cycloheptane-1,3'-[3H]indole]-2'-carboxanilide chemical structure, C21H22N2O, CAS 15308-86-8
Spiro[cycloheptane-1,3'-[3H]indole]-2'-carboxanilide
CAS 15308-86-8C21H22N2O
1,4-Pentadiyn-3-ol, 1,5-bis[4-(dimethylamino)phenyl]- chemical structure, C21H22N2O, CAS 242487-86-1
1,4-Pentadiyn-3-ol, 1,5-bis[4-(dimethylamino)phenyl]-
CAS 242487-86-1C21H22N2O
8-Benzyl-1-phenyl-1,8-diaza-spiro[4.5]dec-3-en-2-one chemical structure, C21H22N2O, CAS 79139-49-4
8-Benzyl-1-phenyl-1,8-diaza-spiro[4.5]dec-3-en-2-one
CAS 79139-49-4C21H22N2O
5-Ethyl-N,N-dimethyl-3,4-diphenyl-1H-pyrrole-2-carboxamide chemical structure, C21H22N2O, CAS 89649-62-7
5-Ethyl-N,N-dimethyl-3,4-diphenyl-1H-pyrrole-2-carboxamide
CAS 89649-62-7C21H22N2O
2-(3,4-Dihydroisoquinolin-2(1H)-yl)-1-(1-ethyl-1H-indol-3-yl)ethanone chemical structure, C21H22N2O, CAS 936820-24-5
2-(3,4-Dihydroisoquinolin-2(1H)-yl)-1-(1-ethyl-1H-indol-3-yl)ethanone
CAS 936820-24-5C21H22N2O
5,6-Diphenyl-2-(5-hydroxypentan-1-yl)pyrazine chemical structure, C21H22N2O, CAS 475086-93-2
5,6-Diphenyl-2-(5-hydroxypentan-1-yl)pyrazine
CAS 475086-93-2C21H22N2O
4-Phenyl-1-(1,3,4,5-tetrahydro-2H-pyrido[4,3-b]indol-2-yl)butan-1-one chemical structure, C21H22N2O, CAS 1010876-64-8
4-Phenyl-1-(1,3,4,5-tetrahydro-2H-pyrido[4,3-b]indol-2-yl)butan-1-one
CAS 1010876-64-8C21H22N2O
(4-Isopropylphenyl)[(6-phenoxypyridin-3-yl)methyl]amine chemical structure, C21H22N2O, CAS 405103-41-5
(4-Isopropylphenyl)[(6-phenoxypyridin-3-yl)methyl]amine
CAS 405103-41-5C21H22N2O
N-(2,3-Dihydro-1H-inden-2-yl)-1H-indole-3-butanamide chemical structure, C21H22N2O, CAS 1015074-26-6
N-(2,3-Dihydro-1H-inden-2-yl)-1H-indole-3-butanamide
CAS 1015074-26-6C21H22N2O
3-Phenyl-N-(2,3,4,9-tetrahydro-1H-carbazol-1-yl)propanamide chemical structure, C21H22N2O, CAS 1574300-84-7
3-Phenyl-N-(2,3,4,9-tetrahydro-1H-carbazol-1-yl)propanamide
CAS 1574300-84-7C21H22N2O
4-[(E)-2-(6-Ethoxyquinolin-2-yl)ethenyl]-N,N-dimethylaniline chemical structure, C21H22N2O, CAS 74839-93-3
4-[(E)-2-(6-Ethoxyquinolin-2-yl)ethenyl]-N,N-dimethylaniline
CAS 74839-93-3C21H22N2O
5-[2-(Dimethylamino)ethyl]-11,12-dihydrobenzo[5,6]cyclohept[1,2-b]indol-6(5H)-one chemical structure, C21H22N2O, CAS 324756-91-4
5-[2-(Dimethylamino)ethyl]-11,12-dihydrobenzo[5,6]cyclohept[1,2-b]indol-6(5H)-one
CAS 324756-91-4C21H22N2O
N'-{[(1R,2R,4R)-Bicyclo[2.2.1]hept-5-en-2-yl]methyl}-N,N-diphenylurea chemical structure, C21H22N2O, CAS 53750-67-7
N'-{[(1R,2R,4R)-Bicyclo[2.2.1]hept-5-en-2-yl]methyl}-N,N-diphenylurea
CAS 53750-67-7C21H22N2O
3-((1-Methylpiperidin-3-yl)oxy)-1-phenylisoquinoline chemical structure, C21H22N2O, CAS 89721-31-3
3-((1-Methylpiperidin-3-yl)oxy)-1-phenylisoquinoline
CAS 89721-31-3C21H22N2O
1-Phenyl-3-(piperidin-2-ylmethoxy)isoquinoline chemical structure, C21H22N2O, CAS 89707-51-7
1-Phenyl-3-(piperidin-2-ylmethoxy)isoquinoline
CAS 89707-51-7C21H22N2O
3-(Piperidin-4-yloxy)-1-(o-tolyl)isoquinoline chemical structure, C21H22N2O, CAS 89721-39-1
3-(Piperidin-4-yloxy)-1-(o-tolyl)isoquinoline
CAS 89721-39-1C21H22N2O
3-((1-Methylpiperidin-4-yl)oxy)-1-phenylisoquinoline chemical structure, C21H22N2O, CAS 89707-53-9
3-((1-Methylpiperidin-4-yl)oxy)-1-phenylisoquinoline
CAS 89707-53-9C21H22N2O

Frequently asked questions

What is the molar mass of C21H22N2O?

The molar mass of C21H22N2O is 318.42 g/mol, calculated from standard atomic weights for 21 carbon atoms, 22 hydrogen atoms, 2 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 318.1732 Da.

How many compounds have the formula C21H22N2O?

CompoundList lists 146 compounds with the molecular formula C21H22N2O, including 2-[(2,3-Dihydro-1H-inden-1-yl)(prop-2-yn-1-yl)amino]-N-methyl-N-phenylacetamide, (1R,5S)-N-Benzhydryl-8-azabicyclo[3.2.1]oct-2-ene-8-carboxamide, 6-Amino-1-(11,12-didehydrodibenz[b,f]azocin-5(6H)-yl)-1-hexanone. 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 C21H22N2O?

C21H22N2O 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.