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 1 to 100 of 445 compounds

Tubastatin A chemical structure, C20H21N3O2, CAS 1252003-15-8
Tubastatin A
CAS 1252003-15-8C20H21N3O2
SB-505124 chemical structure, C20H21N3O2, CAS 694433-59-5
SB-505124
CAS 694433-59-5C20H21N3O2
N-Hydroxy-4-((2-methyl-1,2,3,4-tetrahydro-9H-pyrido[3,4-b]indol-9-yl)methyl)benzamide chemical structure, C20H21N3O2, CAS 1252003-13-6
N-Hydroxy-4-((2-methyl-1,2,3,4-tetrahydro-9H-pyrido[3,4-b]indol-9-yl)methyl)benzamide
CAS 1252003-13-6C20H21N3O2
(3,4-Dimethoxyphenyl)(3-methyl-5-phenyl-4,5-dihydro-1H-pyrazol-1-yl)acetonitrile chemical structure, C20H21N3O2, CAS 381674-37-9
(3,4-Dimethoxyphenyl)(3-methyl-5-phenyl-4,5-dihydro-1H-pyrazol-1-yl)acetonitrile
CAS 381674-37-9C20H21N3O2
N'-(2,6-Dimethylphenyl)-N-[2-(1H-indol-3-yl)ethyl]oxamide chemical structure, C20H21N3O2, CAS 812641-48-8
N'-(2,6-Dimethylphenyl)-N-[2-(1H-indol-3-yl)ethyl]oxamide
CAS 812641-48-8C20H21N3O2
(4-Ethylpiperazin-1-yl)-[2-(furan-2-yl)quinolin-4-yl]methanone chemical structure, C20H21N3O2, CAS 546073-40-9
(4-Ethylpiperazin-1-yl)-[2-(furan-2-yl)quinolin-4-yl]methanone
CAS 546073-40-9C20H21N3O2
[1-(4-Methoxyphenyl)benzimidazol-5-yl]-piperidin-1-ylmethanone chemical structure, C20H21N3O2, CAS 452077-89-3
[1-(4-Methoxyphenyl)benzimidazol-5-yl]-piperidin-1-ylmethanone
CAS 452077-89-3C20H21N3O2
1H-Indole-3-propanamide, alpha-(acetylamino)-N-(phenylmethyl)-, (S)- chemical structure, C20H21N3O2, CAS 108273-72-9
1H-Indole-3-propanamide, alpha-(acetylamino)-N-(phenylmethyl)-, (S)-
CAS 108273-72-9C20H21N3O2
3-(1-Oxo-4-phenylphthalazin-2(1H)-yl)-N-propylpropanamide chemical structure, C20H21N3O2, CAS 694469-39-1
3-(1-Oxo-4-phenylphthalazin-2(1H)-yl)-N-propylpropanamide
CAS 694469-39-1C20H21N3O2
N-[4-(4-Methylpiperazin-1-yl)phenyl]-1-benzofuran-2-carboxamide chemical structure, C20H21N3O2, CAS 578745-63-8
N-[4-(4-Methylpiperazin-1-yl)phenyl]-1-benzofuran-2-carboxamide
CAS 578745-63-8C20H21N3O2
1-((1,1'-Biphenyl)-4-yloxy)-3,3-dimethyl-1-(1H-1,2,4-triazol-1-yl)butan-2-one chemical structure, C20H21N3O2, CAS 43121-37-5
1-((1,1'-Biphenyl)-4-yloxy)-3,3-dimethyl-1-(1H-1,2,4-triazol-1-yl)butan-2-one
CAS 43121-37-5C20H21N3O2
RefChem:77657 chemical structure, C20H21N3O2, CAS 773852-25-8
RefChem:77657
CAS 773852-25-8C20H21N3O2
3-Benzyl-N-butan-2-yl-4-oxophthalazine-1-carboxamide chemical structure, C20H21N3O2, CAS 850375-85-8
3-Benzyl-N-butan-2-yl-4-oxophthalazine-1-carboxamide
CAS 850375-85-8C20H21N3O2
2-[2-(4-Phenylpiperazin-1-yl)ethyl]isoindole-1,3-dione chemical structure, C20H21N3O2, CAS 75000-24-7
2-[2-(4-Phenylpiperazin-1-yl)ethyl]isoindole-1,3-dione
CAS 75000-24-7C20H21N3O2
N-Ethyl-3-[4-(4-methylphenyl)-1-oxophthalazin-2-yl]propanamide chemical structure, C20H21N3O2, CAS 843618-14-4
N-Ethyl-3-[4-(4-methylphenyl)-1-oxophthalazin-2-yl]propanamide
CAS 843618-14-4C20H21N3O2
4-[4-(tert-Butyl)phenoxy]-2-(2-pyridinyl)-5-pyrimidinyl methyl ether chemical structure, C20H21N3O2, CAS 338771-23-6
4-[4-(tert-Butyl)phenoxy]-2-(2-pyridinyl)-5-pyrimidinyl methyl ether
CAS 338771-23-6C20H21N3O2
N-[2-(1H-Indol-3-yl)ethyl]-N'-(1-phenylethyl)oxamide chemical structure, C20H21N3O2, CAS 443325-74-4
N-[2-(1H-Indol-3-yl)ethyl]-N'-(1-phenylethyl)oxamide
CAS 443325-74-4C20H21N3O2
4-(2-Oxo-pyrrolidin-1-yl)-benzoic acid (1-phenyl-propylidene)-hydrazide chemical structure, C20H21N3O2, CAS 5248-71-5
4-(2-Oxo-pyrrolidin-1-yl)-benzoic acid (1-phenyl-propylidene)-hydrazide
CAS 5248-71-5C20H21N3O2
4-[4-(4-Ethoxyphenyl)phthalazin-1-yl]morpholine chemical structure, C20H21N3O2, CAS 692273-30-6
4-[4-(4-Ethoxyphenyl)phthalazin-1-yl]morpholine
CAS 692273-30-6C20H21N3O2
N-(4-{N-[(2-phenylcyclopropyl)carbonyl]ethanehydrazonoyl}phenyl)acetamide chemical structure, C20H21N3O2, CAS 444925-81-9
N-(4-{N-[(2-phenylcyclopropyl)carbonyl]ethanehydrazonoyl}phenyl)acetamide
CAS 444925-81-9C20H21N3O2
N'-(2,3-Dimethylphenyl)-N-[2-(1H-indol-3-yl)ethyl]oxamide chemical structure, C20H21N3O2, CAS 812641-37-5
N'-(2,3-Dimethylphenyl)-N-[2-(1H-indol-3-yl)ethyl]oxamide
CAS 812641-37-5C20H21N3O2
3-Benzyl-N,N-diethyl-4-oxophthalazine-1-carboxamide chemical structure, C20H21N3O2, CAS 1090362-46-1
3-Benzyl-N,N-diethyl-4-oxophthalazine-1-carboxamide
CAS 1090362-46-1C20H21N3O2
N-(2,5-Dimethylphenyl)-3-(2-hydroxy-4,5-dimethylphenyl)-1H-pyrazole-5-carboxamide chemical structure, C20H21N3O2, CAS 879445-08-6
N-(2,5-Dimethylphenyl)-3-(2-hydroxy-4,5-dimethylphenyl)-1H-pyrazole-5-carboxamide
CAS 879445-08-6C20H21N3O2
3-Benzyl-N-(2-methylpropyl)-4-oxophthalazine-1-carboxamide chemical structure, C20H21N3O2, CAS 771515-17-4
3-Benzyl-N-(2-methylpropyl)-4-oxophthalazine-1-carboxamide
CAS 771515-17-4C20H21N3O2

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 Tubastatin A, SB-505124, N-Hydroxy-4-((2-methyl-1,2,3,4-tetrahydro-9H-pyrido[3,4-b]indol-9-yl)methyl)benzamide. 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.