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Molecular formula

C20H21NO2

221 compounds have this formula on CompoundList.

Molar mass
307.39g/mol
Monoisotopic mass
314.2012Da
Atoms
44
Elements
4
Rings plus double bonds
11

The formula C20H21NO2 describes a molecule made of 20 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom 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 × 2078.15%
    12.011 × 20 = 240.220 g/mol
  • H Hydrogen × 216.89%
    1.008 × 21 = 21.168 g/mol
  • N Nitrogen × 14.56%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 210.41%
    15.999 × 2 = 31.998 g/mol
Look up another formula

Compounds with the formula C20H21NO2

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

Showing 201 to 221 of 221 compounds

Benzyl N-methyl-N-(1-phenylpent-4-yn-2-yl)carbamate chemical structure, C20H21NO2, CAS 2680626-54-2
Benzyl N-methyl-N-(1-phenylpent-4-yn-2-yl)carbamate
CAS 2680626-54-2C20H21NO2
Benzyl N-(1-phenylpropan-2-yl)-N-(prop-2-yn-1-yl)carbamate chemical structure, C20H21NO2, CAS 2680817-57-4
Benzyl N-(1-phenylpropan-2-yl)-N-(prop-2-yn-1-yl)carbamate
CAS 2680817-57-4C20H21NO2
tert-Butyl N-benzyl-N-(3-ethynylphenyl)carbamate chemical structure, C20H21NO2, CAS 2680902-96-7
tert-Butyl N-benzyl-N-(3-ethynylphenyl)carbamate
CAS 2680902-96-7C20H21NO2
(9H-Fluoren-9-yl)methyl N-(2-methylidenebutyl)carbamate chemical structure, C20H21NO2, CAS 2770487-31-3
(9H-Fluoren-9-yl)methyl N-(2-methylidenebutyl)carbamate
CAS 2770487-31-3C20H21NO2
(9H-Fluoren-9-yl)methyl N-(2-methylbut-3-en-1-yl)carbamate chemical structure, C20H21NO2, CAS 2770556-45-9
(9H-Fluoren-9-yl)methyl N-(2-methylbut-3-en-1-yl)carbamate
CAS 2770556-45-9C20H21NO2
(9H-Fluoren-9-yl)methyl N-(pent-4-en-2-yl)carbamate chemical structure, C20H21NO2, CAS 2770554-84-0
(9H-Fluoren-9-yl)methyl N-(pent-4-en-2-yl)carbamate
CAS 2770554-84-0C20H21NO2
(9H-Fluoren-9-yl)methyl N-(but-3-en-1-yl)-N-methylcarbamate chemical structure, C20H21NO2, CAS 2770517-26-3
(9H-Fluoren-9-yl)methyl N-(but-3-en-1-yl)-N-methylcarbamate
CAS 2770517-26-3C20H21NO2
(9H-Fluoren-9-yl)methyl N-(but-3-en-2-yl)-N-methylcarbamate chemical structure, C20H21NO2, CAS 2770518-51-7
(9H-Fluoren-9-yl)methyl N-(but-3-en-2-yl)-N-methylcarbamate
CAS 2770518-51-7C20H21NO2
(9H-Fluoren-9-yl)methyl N-methyl-N-(2-methylprop-2-en-1-yl)carbamate chemical structure, C20H21NO2, CAS 2770529-99-0
(9H-Fluoren-9-yl)methyl N-methyl-N-(2-methylprop-2-en-1-yl)carbamate
CAS 2770529-99-0C20H21NO2
(9H-Fluoren-9-yl)methyl N-ethyl-N-(prop-2-en-1-yl)carbamate chemical structure, C20H21NO2, CAS 2770519-11-2
(9H-Fluoren-9-yl)methyl N-ethyl-N-(prop-2-en-1-yl)carbamate
CAS 2770519-11-2C20H21NO2
2-(Benzyloxy)-N-cyclobutyl-4-vinylbenzamide chemical structure, C20H21NO2, CAS 3078433-67-4
2-(Benzyloxy)-N-cyclobutyl-4-vinylbenzamide
CAS 3078433-67-4C20H21NO2
(2-(Benzyloxy)-4-vinylphenyl)(pyrrolidin-1-yl)methanone chemical structure, C20H21NO2, CAS 3078436-00-4
(2-(Benzyloxy)-4-vinylphenyl)(pyrrolidin-1-yl)methanone
CAS 3078436-00-4C20H21NO2
3-(5-Isopropyl-2-phenyl-3-indolyl)propanoic Acid chemical structure, C20H21NO2, CAS 2927495-69-8
3-(5-Isopropyl-2-phenyl-3-indolyl)propanoic Acid
CAS 2927495-69-8C20H21NO2
1,1'-(9H-Carbazole-3,6-diyl)bis(2-methylpropan-1-one) chemical structure, C20H21NO2, CAS 1640353-06-5
1,1'-(9H-Carbazole-3,6-diyl)bis(2-methylpropan-1-one)
CAS 1640353-06-5C20H21NO2
1H-Indole-1-carboxylic acid,5-(2-methylphenyl)-,1,1-dimethylethyl ester chemical structure, C20H21NO2, CAS 777061-25-3
1H-Indole-1-carboxylic acid,5-(2-methylphenyl)-,1,1-dimethylethyl ester
CAS 777061-25-3C20H21NO2
3,6-Dibutyroylcarbazole chemical structure, C20H21NO2, CAS 59589-38-7
3,6-Dibutyroylcarbazole
CAS 59589-38-7C20H21NO2
Ethyl N-(anthracen-9-ylmethyl)-N-methylglycinate chemical structure, C20H21NO2, CAS 866033-78-5
Ethyl N-(anthracen-9-ylmethyl)-N-methylglycinate
CAS 866033-78-5C20H21NO2
(2E)-1-(9,9-Diethylfluoren-2-yl)-2-hydroxyiminopropan-1-one chemical structure, C20H21NO2, CAS 1624294-56-9
(2E)-1-(9,9-Diethylfluoren-2-yl)-2-hydroxyiminopropan-1-one
CAS 1624294-56-9C20H21NO2
tert-Butyl 4-methyl-2-phenyl-1H-indole-1-carboxylate chemical structure, C20H21NO2, CAS 2214289-93-5
tert-Butyl 4-methyl-2-phenyl-1H-indole-1-carboxylate
CAS 2214289-93-5C20H21NO2
tert-Butyl 3-methyl-5-phenyl-1H-indole-1-carboxylate chemical structure, C20H21NO2, CAS 2946737-88-6
tert-Butyl 3-methyl-5-phenyl-1H-indole-1-carboxylate
CAS 2946737-88-6C20H21NO2
Methyl 2-benzyl-4-phenyl-2-azabicyclo[2.1.1]hexane-1-carboxylate chemical structure, C20H21NO2, CAS 3028193-62-3
Methyl 2-benzyl-4-phenyl-2-azabicyclo[2.1.1]hexane-1-carboxylate
CAS 3028193-62-3C20H21NO2

Frequently asked questions

What is the molar mass of C20H21NO2?

The molar mass of C20H21NO2 is 307.39 g/mol, calculated from standard atomic weights for 20 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom and 2 oxygen atoms. The monoisotopic mass is 314.2012 Da.

How many compounds have the formula C20H21NO2?

CompoundList lists 221 compounds with the molecular formula C20H21NO2, including Benzyl N-methyl-N-(1-phenylpent-4-yn-2-yl)carbamate, Benzyl N-(1-phenylpropan-2-yl)-N-(prop-2-yn-1-yl)carbamate, tert-Butyl N-benzyl-N-(3-ethynylphenyl)carbamate. 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 C20H21NO2?

C20H21NO2 has a degree of unsaturation of 11. 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.