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 401 to 445 of 445 compounds

6-Amino-3,5-dibenzyl-1-ethylpyrimidine-2,4(1H,3H)-dione chemical structure, C20H21N3O2, CAS 52386-24-0
6-Amino-3,5-dibenzyl-1-ethylpyrimidine-2,4(1H,3H)-dione
CAS 52386-24-0C20H21N3O2
7-Methoxy-4-methyl-2-{3-[(pyridin-3-yloxy)methyl]azetidin-1-yl}quinoline chemical structure, C20H21N3O2, CAS 2877690-72-5
7-Methoxy-4-methyl-2-{3-[(pyridin-3-yloxy)methyl]azetidin-1-yl}quinoline
CAS 2877690-72-5C20H21N3O2
3-({4-[(3-Methoxyphenyl)methyl]-3-oxopiperazin-1-yl}methyl)benzonitrile chemical structure, C20H21N3O2, CAS 2877640-93-0
3-({4-[(3-Methoxyphenyl)methyl]-3-oxopiperazin-1-yl}methyl)benzonitrile
CAS 2877640-93-0C20H21N3O2
1-Piperidinecarboxamide, 4-(2-benzoxazolyl)-N-(phenylmethyl)- chemical structure, C20H21N3O2, CAS 605627-07-4
1-Piperidinecarboxamide, 4-(2-benzoxazolyl)-N-(phenylmethyl)-
CAS 605627-07-4C20H21N3O2
1-(6,7-Dimethoxy-1,2,3,4-tetrahydroisoquinolin-2-yl)-4-methylphthalazine chemical structure, C20H21N3O2, CAS 2322204-40-8
1-(6,7-Dimethoxy-1,2,3,4-tetrahydroisoquinolin-2-yl)-4-methylphthalazine
CAS 2322204-40-8C20H21N3O2
Benzyl 4-benzyl-3-cyanopiperazine-1-carboxylate chemical structure, C20H21N3O2, CAS 2680728-86-1
Benzyl 4-benzyl-3-cyanopiperazine-1-carboxylate
CAS 2680728-86-1C20H21N3O2
7-(Diethylamino)-3-(2,3-dihydro-1H-benzo[d]imidazol-2-yl)-2H-chromen-2-one chemical structure, C20H21N3O2, CAS 1305270-39-6
7-(Diethylamino)-3-(2,3-dihydro-1H-benzo[d]imidazol-2-yl)-2H-chromen-2-one
CAS 1305270-39-6C20H21N3O2
5-Hydroxy-4-{4-[(piperazin-1-yl)methyl]phenyl}isoquinolin-1(2H)-one chemical structure, C20H21N3O2, CAS 651029-50-4
5-Hydroxy-4-{4-[(piperazin-1-yl)methyl]phenyl}isoquinolin-1(2H)-one
CAS 651029-50-4C20H21N3O2
5-(3,4-Dimethoxyphenyl)-N-[(1R)-1-phenylethyl]pyrazin-2-amine chemical structure, C20H21N3O2, CAS 920527-79-3
5-(3,4-Dimethoxyphenyl)-N-[(1R)-1-phenylethyl]pyrazin-2-amine
CAS 920527-79-3C20H21N3O2
5-[(2,6-Dipyridin-2-yl-4-pyridinyl)oxy]pentan-1-ol chemical structure, C20H21N3O2, CAS 538366-64-2
5-[(2,6-Dipyridin-2-yl-4-pyridinyl)oxy]pentan-1-ol
CAS 538366-64-2C20H21N3O2
4-(3,4-Dimethoxyphenyl)-6-(2,4-dimethylphenyl)pyrimidin-2-amine chemical structure, C20H21N3O2, CAS 1354926-77-4
4-(3,4-Dimethoxyphenyl)-6-(2,4-dimethylphenyl)pyrimidin-2-amine
CAS 1354926-77-4C20H21N3O2
4-(2,5-Dimethoxyphenyl)-6-(2,4-dimethylphenyl)pyrimidin-2-amine chemical structure, C20H21N3O2, CAS 1354933-06-4
4-(2,5-Dimethoxyphenyl)-6-(2,4-dimethylphenyl)pyrimidin-2-amine
CAS 1354933-06-4C20H21N3O2
4-(2,4-Dimethoxyphenyl)-6-(2,4-dimethylphenyl)pyrimidin-2-amine chemical structure, C20H21N3O2, CAS 1354926-34-3
4-(2,4-Dimethoxyphenyl)-6-(2,4-dimethylphenyl)pyrimidin-2-amine
CAS 1354926-34-3C20H21N3O2
4-(3,4-Dimethoxyphenyl)-6-(3,4-dimethylphenyl)pyrimidin-2-amine chemical structure, C20H21N3O2, CAS 1354935-84-4
4-(3,4-Dimethoxyphenyl)-6-(3,4-dimethylphenyl)pyrimidin-2-amine
CAS 1354935-84-4C20H21N3O2
2-(2-(Dimethylamino)ethyl)-9-methoxy-5-methylpyrrolo[2,3,4-kl]acridin-1(2H)-one chemical structure, C20H21N3O2, CAS 1807518-44-0
2-(2-(Dimethylamino)ethyl)-9-methoxy-5-methylpyrrolo[2,3,4-kl]acridin-1(2H)-one
CAS 1807518-44-0C20H21N3O2
1-(2'-Oxospiro[cyclohexane-1,3'-indolin]-5'-yl)-3-phenylurea chemical structure, C20H21N3O2, CAS 1326761-66-3
1-(2'-Oxospiro[cyclohexane-1,3'-indolin]-5'-yl)-3-phenylurea
CAS 1326761-66-3C20H21N3O2
1-Benzyl-3-(2'-oxospiro[cyclopentane-1,3'-indolin]-5'-yl)urea chemical structure, C20H21N3O2, CAS 1329260-45-8
1-Benzyl-3-(2'-oxospiro[cyclopentane-1,3'-indolin]-5'-yl)urea
CAS 1329260-45-8C20H21N3O2
Benzyl N-[1-(4-cyanophenyl)piperidin-4-yl]carbamate chemical structure, C20H21N3O2, CAS 2680825-63-0
Benzyl N-[1-(4-cyanophenyl)piperidin-4-yl]carbamate
CAS 2680825-63-0C20H21N3O2
2,3-Naphthalenediol, 1-[2-[4-(diethylamino)phenyl]diazenyl]- chemical structure, C20H21N3O2, CAS 75001-02-4
2,3-Naphthalenediol, 1-[2-[4-(diethylamino)phenyl]diazenyl]-
CAS 75001-02-4C20H21N3O2
4-[(2R,6R)-2-(2-Methoxyphenyl)-6-methylpiperidine-1-carbonyl]pyridine-2-carbonitrile chemical structure, C20H21N3O2, CAS 2223270-71-9
4-[(2R,6R)-2-(2-Methoxyphenyl)-6-methylpiperidine-1-carbonyl]pyridine-2-carbonitrile
CAS 2223270-71-9C20H21N3O2
2-Methoxy-N-{2-[4-(1-methyl-1H-pyrazol-4-yl)phenyl]ethyl}benzamide chemical structure, C20H21N3O2, CAS 2549019-11-4
2-Methoxy-N-{2-[4-(1-methyl-1H-pyrazol-4-yl)phenyl]ethyl}benzamide
CAS 2549019-11-4C20H21N3O2
3-Methoxy-N-{2-[4-(1-methyl-1H-pyrazol-4-yl)phenyl]ethyl}benzamide chemical structure, C20H21N3O2, CAS 2548988-69-6
3-Methoxy-N-{2-[4-(1-methyl-1H-pyrazol-4-yl)phenyl]ethyl}benzamide
CAS 2548988-69-6C20H21N3O2
(4-Methoxyphenyl)[4-(1H-pyrrolo[2,3-b]pyridin-3-yl)-1-piperidinyl]methanone chemical structure, C20H21N3O2, CAS 2318928-46-8
(4-Methoxyphenyl)[4-(1H-pyrrolo[2,3-b]pyridin-3-yl)-1-piperidinyl]methanone
CAS 2318928-46-8C20H21N3O2
3-(1H-Indol-3-yl)-1-{3-[(2-methylpyridin-4-yl)oxy]azetidin-1-yl}propan-1-one chemical structure, C20H21N3O2, CAS 2742065-01-4
3-(1H-Indol-3-yl)-1-{3-[(2-methylpyridin-4-yl)oxy]azetidin-1-yl}propan-1-one
CAS 2742065-01-4C20H21N3O2

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 6-Amino-3,5-dibenzyl-1-ethylpyrimidine-2,4(1H,3H)-dione, 7-Methoxy-4-methyl-2-{3-[(pyridin-3-yloxy)methyl]azetidin-1-yl}quinoline, 3-({4-[(3-Methoxyphenyl)methyl]-3-oxopiperazin-1-yl}methyl)benzonitrile. 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.