CompoundList
Molecular formula

C20H21N5O4

123 compounds have this formula on CompoundList.

Molar mass
395.42g/mol
Monoisotopic mass
395.1594Da
Atoms
50
Elements
4
Rings plus double bonds
13

The formula C20H21N5O4 describes a molecule made of 20 carbon atoms, 21 hydrogen atoms, 5 nitrogen atoms and 4 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 × 2060.75%
    12.011 × 20 = 240.220 g/mol
  • H Hydrogen × 215.35%
    1.008 × 21 = 21.168 g/mol
  • N Nitrogen × 517.71%
    14.007 × 5 = 70.035 g/mol
  • O Oxygen × 416.18%
    15.999 × 4 = 63.996 g/mol
Look up another formula

Compounds with the formula C20H21N5O4

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

Showing 1 to 100 of 123 compounds

IRAK-1/4 inhibitor chemical structure, C20H21N5O4, CAS 509093-47-4
IRAK-1/4 inhibitor
CAS 509093-47-4C20H21N5O4
8-((Furan-2-ylmethyl)amino)-7-(4-methoxyphenethyl)-3-methyl-1H-purine-2,6(3H,7H)-dione chemical structure, C20H21N5O4, CAS 876891-24-6
8-((Furan-2-ylmethyl)amino)-7-(4-methoxyphenethyl)-3-methyl-1H-purine-2,6(3H,7H)-dione
CAS 876891-24-6C20H21N5O4
5-(3-Methoxyphenyl)-7-(2,3,4-trimethoxyphenyl)-4,7-dihydrotetrazolo[1,5-a]pyrimidine chemical structure, C20H21N5O4, CAS 698379-27-0
5-(3-Methoxyphenyl)-7-(2,3,4-trimethoxyphenyl)-4,7-dihydrotetrazolo[1,5-a]pyrimidine
CAS 698379-27-0C20H21N5O4
(2E)-2-(4-Morpholinylcarbonyl)-3-(2-(4-morpholinyl)-4-oxo-4H-pyrido(1,2-A)pyrimidin-3-yl)-2-propenenitrile chemical structure, C20H21N5O4, CAS 477735-21-0
(2E)-2-(4-Morpholinylcarbonyl)-3-(2-(4-morpholinyl)-4-oxo-4H-pyrido(1,2-A)pyrimidin-3-yl)-2-propenenitrile
CAS 477735-21-0C20H21N5O4
(E)-2-Cyano-3-[2,5-dimethyl-1-(4-morpholin-4-yl-3-nitrophenyl)pyrrol-3-yl]prop-2-enamide chemical structure, C20H21N5O4, CAS 1164547-35-6
(E)-2-Cyano-3-[2,5-dimethyl-1-(4-morpholin-4-yl-3-nitrophenyl)pyrrol-3-yl]prop-2-enamide
CAS 1164547-35-6C20H21N5O4
[4-[3-(3,5-Dimethylpyrazol-1-yl)-4-nitrophenyl]piperazin-1-yl]-(furan-2-yl)methanone chemical structure, C20H21N5O4, CAS 432520-43-9
[4-[3-(3,5-Dimethylpyrazol-1-yl)-4-nitrophenyl]piperazin-1-yl]-(furan-2-yl)methanone
CAS 432520-43-9C20H21N5O4
2-(4-(4-Ethoxyphenyl)-6-oxopyrimidin-1(6H)-yl)-N-(2-(6-oxopyridazin-1(6H)-yl)ethyl)acetamide chemical structure, C20H21N5O4, CAS 1171222-95-9
2-(4-(4-Ethoxyphenyl)-6-oxopyrimidin-1(6H)-yl)-N-(2-(6-oxopyridazin-1(6H)-yl)ethyl)acetamide
CAS 1171222-95-9C20H21N5O4
2-[4-(5-Methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidin-2-yl]-N-(3-methylphenyl)acetamide chemical structure, C20H21N5O4, CAS 1775553-93-9
2-[4-(5-Methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidin-2-yl]-N-(3-methylphenyl)acetamide
CAS 1775553-93-9C20H21N5O4
N-Benzyl-2-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-5,6,7,8-tetrahydro-1H-pyrido[1,2-c]pyrimidin-2(3H)-yl]acetamide chemical structure, C20H21N5O4, CAS 1775553-83-7
N-Benzyl-2-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-5,6,7,8-tetrahydro-1H-pyrido[1,2-c]pyrimidin-2(3H)-yl]acetamide
CAS 1775553-83-7C20H21N5O4
2-[4-(5-Methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-3,5,6,7,8,9-hexahydropyrimido[1,6-a]azepin-2(1H)-yl]-N-phenylacetamide chemical structure, C20H21N5O4, CAS 1775444-58-0
2-[4-(5-Methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-3,5,6,7,8,9-hexahydropyrimido[1,6-a]azepin-2(1H)-yl]-N-phenylacetamide
CAS 1775444-58-0C20H21N5O4
1-(2,4-Dimethoxyphenyl)-3-(2-(6-oxo-3-(pyridin-3-yl)pyridazin-1(6H)-yl)ethyl)urea chemical structure, C20H21N5O4, CAS 1105208-09-0
1-(2,4-Dimethoxyphenyl)-3-(2-(6-oxo-3-(pyridin-3-yl)pyridazin-1(6H)-yl)ethyl)urea
CAS 1105208-09-0C20H21N5O4
1-(3,4-Dimethoxyphenyl)-3-(2-(6-oxo-3-(pyridin-3-yl)pyridazin-1(6H)-yl)ethyl)urea chemical structure, C20H21N5O4, CAS 1170162-38-5
1-(3,4-Dimethoxyphenyl)-3-(2-(6-oxo-3-(pyridin-3-yl)pyridazin-1(6H)-yl)ethyl)urea
CAS 1170162-38-5C20H21N5O4
2-[(2-Phenylethyl)-1-ethyn-1-yl]-Adenosine chemical structure, C20H21N5O4, CAS 141345-16-6
2-[(2-Phenylethyl)-1-ethyn-1-yl]-Adenosine
CAS 141345-16-6C20H21N5O4
Ethyl 2-(2-(4-cyclopropyl-7-oxo-1-phenyl-1H-pyrazolo[3,4-d]pyridazin-6(7H)-yl)acetamido)acetate chemical structure, C20H21N5O4, CAS 1105239-57-3
Ethyl 2-(2-(4-cyclopropyl-7-oxo-1-phenyl-1H-pyrazolo[3,4-d]pyridazin-6(7H)-yl)acetamido)acetate
CAS 1105239-57-3C20H21N5O4
3-(4-Allylpiperazin-1-yl)-2-quinoxalinecarbonitrile maleate chemical structure, C20H21N5O4, CAS 201216-42-4
3-(4-Allylpiperazin-1-yl)-2-quinoxalinecarbonitrile maleate
CAS 201216-42-4C20H21N5O4
Propanenitrile, 3-[[4-[2-(4-nitrophenyl)diazenyl]phenyl][2-(1-oxopropoxy)ethyl]amino]- chemical structure, C20H21N5O4, CAS 67923-47-1
Propanenitrile, 3-[[4-[2-(4-nitrophenyl)diazenyl]phenyl][2-(1-oxopropoxy)ethyl]amino]-
CAS 67923-47-1C20H21N5O4
Ethyl 2-(4,7,8-trimethyl-1,3-dioxo-6-phenylpurino[7,8-a]imidazol-2-yl)acetate chemical structure, C20H21N5O4, CAS 887455-21-2
Ethyl 2-(4,7,8-trimethyl-1,3-dioxo-6-phenylpurino[7,8-a]imidazol-2-yl)acetate
CAS 887455-21-2C20H21N5O4
Methyl 2-(1,6,7-trimethyl-2,4-dioxo-8-(p-tolyl)-1H-imidazo[2,1-f]purin-3(2H,4H,8H)-yl)acetate chemical structure, C20H21N5O4, CAS 877644-70-7
Methyl 2-(1,6,7-trimethyl-2,4-dioxo-8-(p-tolyl)-1H-imidazo[2,1-f]purin-3(2H,4H,8H)-yl)acetate
CAS 877644-70-7C20H21N5O4
Ethyl 2-(1,7-dimethyl-2,4-dioxo-8-(o-tolyl)-1H-imidazo[2,1-f]purin-3(2H,4H,8H)-yl)acetate chemical structure, C20H21N5O4, CAS 887464-21-3
Ethyl 2-(1,7-dimethyl-2,4-dioxo-8-(o-tolyl)-1H-imidazo[2,1-f]purin-3(2H,4H,8H)-yl)acetate
CAS 887464-21-3C20H21N5O4
Methyl 2-(8-(2-ethylphenyl)-1,7-dimethyl-2,4-dioxo-1H-imidazo[2,1-f]purin-3(2H,4H,8H)-yl)acetate chemical structure, C20H21N5O4, CAS 887465-89-6
Methyl 2-(8-(2-ethylphenyl)-1,7-dimethyl-2,4-dioxo-1H-imidazo[2,1-f]purin-3(2H,4H,8H)-yl)acetate
CAS 887465-89-6C20H21N5O4
Methyl 2-(8-(3,5-dimethylphenyl)-1,7-dimethyl-2,4-dioxo-1H-imidazo[2,1-f]purin-3(2H,4H,8H)-yl)acetate chemical structure, C20H21N5O4, CAS 887465-21-6
Methyl 2-(8-(3,5-dimethylphenyl)-1,7-dimethyl-2,4-dioxo-1H-imidazo[2,1-f]purin-3(2H,4H,8H)-yl)acetate
CAS 887465-21-6C20H21N5O4
Methyl 2-(1,7-dimethyl-2,4-dioxo-8-(p-tolyl)-1H-imidazo[2,1-f]purin-3(2H,4H,8H)-yl)propanoate chemical structure, C20H21N5O4, CAS 877643-72-6
Methyl 2-(1,7-dimethyl-2,4-dioxo-8-(p-tolyl)-1H-imidazo[2,1-f]purin-3(2H,4H,8H)-yl)propanoate
CAS 877643-72-6C20H21N5O4
Ethyl 2-(1,7-dimethyl-2,4-dioxo-8-(m-tolyl)-1H-imidazo[2,1-f]purin-3(2H,4H,8H)-yl)acetate chemical structure, C20H21N5O4, CAS 887464-58-6
Ethyl 2-(1,7-dimethyl-2,4-dioxo-8-(m-tolyl)-1H-imidazo[2,1-f]purin-3(2H,4H,8H)-yl)acetate
CAS 887464-58-6C20H21N5O4
Ethyl 2-(1,7-dimethyl-2,4-dioxo-8-(p-tolyl)-1H-imidazo[2,1-f]purin-3(2H,4H,8H)-yl)acetate chemical structure, C20H21N5O4, CAS 877643-71-5
Ethyl 2-(1,7-dimethyl-2,4-dioxo-8-(p-tolyl)-1H-imidazo[2,1-f]purin-3(2H,4H,8H)-yl)acetate
CAS 877643-71-5C20H21N5O4

Frequently asked questions

What is the molar mass of C20H21N5O4?

The molar mass of C20H21N5O4 is 395.42 g/mol, calculated from standard atomic weights for 20 carbon atoms, 21 hydrogen atoms, 5 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 395.1594 Da.

How many compounds have the formula C20H21N5O4?

CompoundList lists 123 compounds with the molecular formula C20H21N5O4, including IRAK-1/4 inhibitor, 8-((Furan-2-ylmethyl)amino)-7-(4-methoxyphenethyl)-3-methyl-1H-purine-2,6(3H,7H)-dione, 5-(3-Methoxyphenyl)-7-(2,3,4-trimethoxyphenyl)-4,7-dihydrotetrazolo[1,5-a]pyrimidine. 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 C20H21N5O4?

C20H21N5O4 has a degree of unsaturation of 13. 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.