CompoundList
Molecular formula

C20H21N3O5

162 compounds have this formula on CompoundList.

Molar mass
383.40g/mol
Monoisotopic mass
383.1481Da
Atoms
49
Elements
4
Rings plus double bonds
12

The formula C20H21N3O5 describes a molecule made of 20 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms and 5 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 × 2062.65%
    12.011 × 20 = 240.220 g/mol
  • H Hydrogen × 215.52%
    1.008 × 21 = 21.168 g/mol
  • N Nitrogen × 310.96%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 520.86%
    15.999 × 5 = 79.995 g/mol
Look up another formula

Compounds with the formula C20H21N3O5

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

Showing 1 to 100 of 162 compounds

N-(2-(1-Maleimidyl)ethyl)-7-(diethylamino)coumarin-3-carboxamide chemical structure, C20H21N3O5, CAS 156571-46-9
N-(2-(1-Maleimidyl)ethyl)-7-(diethylamino)coumarin-3-carboxamide
CAS 156571-46-9C20H21N3O5
4-(2-Furoyl)-3-hydroxy-1-[2-(4-morpholinyl)ethyl]-5-(4-pyridinyl)-1,5-dihydro-2H-pyrrol-2-one chemical structure, C20H21N3O5, CAS 380900-76-5
4-(2-Furoyl)-3-hydroxy-1-[2-(4-morpholinyl)ethyl]-5-(4-pyridinyl)-1,5-dihydro-2H-pyrrol-2-one
CAS 380900-76-5C20H21N3O5
1-(1,3-Benzodioxol-5-yl)-3-(4-(4-nitrophenyl)-1-piperazinyl)-1-propanone chemical structure, C20H21N3O5, CAS 477328-85-1
1-(1,3-Benzodioxol-5-yl)-3-(4-(4-nitrophenyl)-1-piperazinyl)-1-propanone
CAS 477328-85-1C20H21N3O5
1-[2-[(4-Methoxyphenyl)methyl]-2-methyl-5-(4-methyl-3-nitrophenyl)-1,3,4-oxadiazol-3-yl]ethanone chemical structure, C20H21N3O5, CAS 674814-37-0
1-[2-[(4-Methoxyphenyl)methyl]-2-methyl-5-(4-methyl-3-nitrophenyl)-1,3,4-oxadiazol-3-yl]ethanone
CAS 674814-37-0C20H21N3O5
3-[4-(Furan-2-carbonyl)piperazin-1-yl]-1-(4-methoxyphenyl)pyrrolidine-2,5-dione chemical structure, C20H21N3O5, CAS 361996-03-4
3-[4-(Furan-2-carbonyl)piperazin-1-yl]-1-(4-methoxyphenyl)pyrrolidine-2,5-dione
CAS 361996-03-4C20H21N3O5
2-(3-Methyl-4-oxo-3,4-dihydrophthalazin-1-yl)-N-(3,4,5-trimethoxyphenyl)acetamide chemical structure, C20H21N3O5, CAS 434292-99-6
2-(3-Methyl-4-oxo-3,4-dihydrophthalazin-1-yl)-N-(3,4,5-trimethoxyphenyl)acetamide
CAS 434292-99-6C20H21N3O5
[4-(1,3-Benzodioxol-5-ylmethyl)piperazin-1-yl]-(4-methyl-3-nitrophenyl)methanone chemical structure, C20H21N3O5, CAS 349616-77-9
[4-(1,3-Benzodioxol-5-ylmethyl)piperazin-1-yl]-(4-methyl-3-nitrophenyl)methanone
CAS 349616-77-9C20H21N3O5
1-[4-(1,3-Benzodioxol-5-ylmethyl)piperazin-1-yl]-2-(4-nitrophenyl)ethanone chemical structure, C20H21N3O5, CAS 349440-41-1
1-[4-(1,3-Benzodioxol-5-ylmethyl)piperazin-1-yl]-2-(4-nitrophenyl)ethanone
CAS 349440-41-1C20H21N3O5
5-(3,4-Dimethoxybenzyl)-5-[2-(4-pyridinyl)ethyl]-2,4,6(1H,3H,5H)-pyrimidinetrione chemical structure, C20H21N3O5, CAS 346449-51-2
5-(3,4-Dimethoxybenzyl)-5-[2-(4-pyridinyl)ethyl]-2,4,6(1H,3H,5H)-pyrimidinetrione
CAS 346449-51-2C20H21N3O5
1-(1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-5-oxopyrrolidin-3-yl)-3-(2-methoxyphenyl)urea chemical structure, C20H21N3O5, CAS 895416-29-2
1-(1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-5-oxopyrrolidin-3-yl)-3-(2-methoxyphenyl)urea
CAS 895416-29-2C20H21N3O5
2-(4-Methylphenoxy)-1-[4-(4-nitrobenzoyl)piperazin-1-yl]ethanone chemical structure, C20H21N3O5, CAS 522650-54-0
2-(4-Methylphenoxy)-1-[4-(4-nitrobenzoyl)piperazin-1-yl]ethanone
CAS 522650-54-0C20H21N3O5
4-[2-(1,3-Benzodioxol-5-ylmethylene)hydrazino]-N-(4-ethoxyphenyl)-4-oxobutanamide chemical structure, C20H21N3O5, CAS 348114-19-2
4-[2-(1,3-Benzodioxol-5-ylmethylene)hydrazino]-N-(4-ethoxyphenyl)-4-oxobutanamide
CAS 348114-19-2C20H21N3O5
2-(3-Methylphenoxy)-1-[4-(4-nitrobenzoyl)piperazin-1-yl]ethanone chemical structure, C20H21N3O5, CAS 423732-51-8
2-(3-Methylphenoxy)-1-[4-(4-nitrobenzoyl)piperazin-1-yl]ethanone
CAS 423732-51-8C20H21N3O5
6-Methoxy-N-[(E)-(3,4,5-trimethoxyphenyl)methylideneamino]-1H-indole-2-carboxamide chemical structure, C20H21N3O5, CAS 896836-33-2
6-Methoxy-N-[(E)-(3,4,5-trimethoxyphenyl)methylideneamino]-1H-indole-2-carboxamide
CAS 896836-33-2C20H21N3O5
1-[(1-Cyanocyclohexyl)carbamoyl]ethyl 2-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)acetate chemical structure, C20H21N3O5, CAS 1090907-69-9
1-[(1-Cyanocyclohexyl)carbamoyl]ethyl 2-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)acetate
CAS 1090907-69-9C20H21N3O5
4-(Furan-2-carbonyl)-3-hydroxy-1-(2-morpholinoethyl)-5-(pyridin-3-yl)-1H-pyrrol-2(5H)-one chemical structure, C20H21N3O5, CAS 381176-87-0
4-(Furan-2-carbonyl)-3-hydroxy-1-(2-morpholinoethyl)-5-(pyridin-3-yl)-1H-pyrrol-2(5H)-one
CAS 381176-87-0C20H21N3O5
(E)-N-(3-((2-Methoxyethyl)amino)-1-(3-nitrophenyl)-3-oxoprop-1-en-2-yl)-4-methylbenzamide chemical structure, C20H21N3O5, CAS 302822-87-3
(E)-N-(3-((2-Methoxyethyl)amino)-1-(3-nitrophenyl)-3-oxoprop-1-en-2-yl)-4-methylbenzamide
CAS 302822-87-3C20H21N3O5
N-[2-(3,4-Dimethoxyphenyl)ethyl]-2-hydroxy-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxamide chemical structure, C20H21N3O5, CAS 886894-85-5
N-[2-(3,4-Dimethoxyphenyl)ethyl]-2-hydroxy-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxamide
CAS 886894-85-5C20H21N3O5
[5-(3-Hydroxy-3-methylbut-1-ynyl)furan-2-yl]-[4-(4-nitrophenyl)piperazin-1-yl]methanone chemical structure, C20H21N3O5, CAS 389137-99-9
[5-(3-Hydroxy-3-methylbut-1-ynyl)furan-2-yl]-[4-(4-nitrophenyl)piperazin-1-yl]methanone
CAS 389137-99-9C20H21N3O5
Pelagiomicin B chemical structure, C20H21N3O5, CAS 173485-81-9
Pelagiomicin B
CAS 173485-81-9C20H21N3O5
N-{3-[3-(Furan-2-yl)-6-oxo-1,6-dihydropyridazin-1-yl]propyl}-2,3-dimethoxybenzamide chemical structure, C20H21N3O5, CAS 1021225-26-2
N-{3-[3-(Furan-2-yl)-6-oxo-1,6-dihydropyridazin-1-yl]propyl}-2,3-dimethoxybenzamide
CAS 1021225-26-2C20H21N3O5
2-Amino-6,7-dimethyl-5-oxo-4-(3,4,5-trimethoxyphenyl)-5,6-dihydro-4H-pyrano[3,2-c]pyridine-3-carbonitrile chemical structure, C20H21N3O5, CAS 880794-69-4
2-Amino-6,7-dimethyl-5-oxo-4-(3,4,5-trimethoxyphenyl)-5,6-dihydro-4H-pyrano[3,2-c]pyridine-3-carbonitrile
CAS 880794-69-4C20H21N3O5
N-(3-Nitrophenyl)-5-oxo-1-(4-propoxyphenyl)pyrrolidine-3-carboxamide chemical structure, C20H21N3O5, CAS 669696-37-1
N-(3-Nitrophenyl)-5-oxo-1-(4-propoxyphenyl)pyrrolidine-3-carboxamide
CAS 669696-37-1C20H21N3O5
1-(4-Methoxybenzoyl)-N-(3-nitrophenyl)piperidine-4-carboxamide chemical structure, C20H21N3O5, CAS 768293-38-5
1-(4-Methoxybenzoyl)-N-(3-nitrophenyl)piperidine-4-carboxamide
CAS 768293-38-5C20H21N3O5

Frequently asked questions

What is the molar mass of C20H21N3O5?

The molar mass of C20H21N3O5 is 383.40 g/mol, calculated from standard atomic weights for 20 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms and 5 oxygen atoms. The monoisotopic mass is 383.1481 Da.

How many compounds have the formula C20H21N3O5?

CompoundList lists 162 compounds with the molecular formula C20H21N3O5, including N-(2-(1-Maleimidyl)ethyl)-7-(diethylamino)coumarin-3-carboxamide, 4-(2-Furoyl)-3-hydroxy-1-[2-(4-morpholinyl)ethyl]-5-(4-pyridinyl)-1,5-dihydro-2H-pyrrol-2-one, 1-(1,3-Benzodioxol-5-yl)-3-(4-(4-nitrophenyl)-1-piperazinyl)-1-propanone. 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 C20H21N3O5?

C20H21N3O5 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.