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Molecular formula

C21H20N6O4

33 compounds have this formula on CompoundList.

Molar mass
420.43g/mol
Monoisotopic mass
420.1546Da
Atoms
51
Elements
4
Rings plus double bonds
15

The formula C21H20N6O4 describes a molecule made of 21 carbon atoms, 20 hydrogen atoms, 6 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 × 2159.99%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 204.80%
    1.008 × 20 = 20.160 g/mol
  • N Nitrogen × 619.99%
    14.007 × 6 = 84.042 g/mol
  • O Oxygen × 415.22%
    15.999 × 4 = 63.996 g/mol
Look up another formula

Compounds with the formula C21H20N6O4

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

Showing 1 to 33 of 33 compounds

AS 35 chemical structure, C21H20N6O4, CAS 108427-72-1
AS 35
CAS 108427-72-1C21H20N6O4
Methyl 4-(2-((2,4-diaminopteridin-6-yl)methyl)-1-methoxy-1-oxopent-4-yn-2-yl)benzoate chemical structure, C21H20N6O4, CAS 146464-91-7
Methyl 4-(2-((2,4-diaminopteridin-6-yl)methyl)-1-methoxy-1-oxopent-4-yn-2-yl)benzoate
CAS 146464-91-7C21H20N6O4
N-(2-Ethoxyphenyl)-2-[3-(3-methoxyphenyl)-7-oxotriazolo[4,5-d]pyrimidin-6-yl]acetamide chemical structure, C21H20N6O4, CAS 847385-61-9
N-(2-Ethoxyphenyl)-2-[3-(3-methoxyphenyl)-7-oxotriazolo[4,5-d]pyrimidin-6-yl]acetamide
CAS 847385-61-9C21H20N6O4
N-(3-Cyanophenyl)-2-[4-(5-ethyl-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, C21H20N6O4, CAS 1775484-71-3
N-(3-Cyanophenyl)-2-[4-(5-ethyl-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 1775484-71-3C21H20N6O4
4-(5-Ethyl-1,2,4-oxadiazol-3-yl)-2-[(4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl)methyl]-5,6,7,8-tetrahydro-1H-pyrido[1,2-c]pyrimidine-1,3(2H)-dione chemical structure, C21H20N6O4, CAS 1775353-81-5
4-(5-Ethyl-1,2,4-oxadiazol-3-yl)-2-[(4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl)methyl]-5,6,7,8-tetrahydro-1H-pyrido[1,2-c]pyrimidine-1,3(2H)-dione
CAS 1775353-81-5C21H20N6O4
3-(2-(4-(5-(5-Methyl-1,2,4-oxadiazol-3-yl)pyridin-2-yl)piperazin-1-yl)-2-oxoethyl)benzo[d]oxazol-2(3H)-one chemical structure, C21H20N6O4, CAS 1421531-97-6
3-(2-(4-(5-(5-Methyl-1,2,4-oxadiazol-3-yl)pyridin-2-yl)piperazin-1-yl)-2-oxoethyl)benzo[d]oxazol-2(3H)-one
CAS 1421531-97-6C21H20N6O4
(4-(5-(5-Ethyl-1,2,4-oxadiazol-3-yl)pyridin-2-yl)piperazin-1-yl)(5-(furan-2-yl)isoxazol-3-yl)methanone chemical structure, C21H20N6O4, CAS 1421457-60-4
(4-(5-(5-Ethyl-1,2,4-oxadiazol-3-yl)pyridin-2-yl)piperazin-1-yl)(5-(furan-2-yl)isoxazol-3-yl)methanone
CAS 1421457-60-4C21H20N6O4
2-(3-(4-Ethoxyphenyl)-7-oxo-3H-[1,2,3]triazolo[4,5-d]pyrimidin-6(7H)-yl)-N-(3-methoxyphenyl)acetamide chemical structure, C21H20N6O4, CAS 896677-98-8
2-(3-(4-Ethoxyphenyl)-7-oxo-3H-[1,2,3]triazolo[4,5-d]pyrimidin-6(7H)-yl)-N-(3-methoxyphenyl)acetamide
CAS 896677-98-8C21H20N6O4
N-(2-(4-Cyclopropyl-3-(furan-2-yl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)ethyl)-2-(4-oxoquinazolin-3(4H)-yl)acetamide chemical structure, C21H20N6O4, CAS 1797738-14-7
N-(2-(4-Cyclopropyl-3-(furan-2-yl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)ethyl)-2-(4-oxoquinazolin-3(4H)-yl)acetamide
CAS 1797738-14-7C21H20N6O4
(E)-2-Amino-1-((3,4-dihydroxybenzylidene)amino)-N-(2-methoxyethyl)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxamide chemical structure, C21H20N6O4, CAS 835910-79-7
(E)-2-Amino-1-((3,4-dihydroxybenzylidene)amino)-N-(2-methoxyethyl)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxamide
CAS 835910-79-7C21H20N6O4
5-Cyclopropyl-N-(1-(5-ethyl-4-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-(furan-2-yl)-1H-pyrazol-5-yl)isoxazole-3-carboxamide chemical structure, C21H20N6O4, CAS 1207042-09-8
5-Cyclopropyl-N-(1-(5-ethyl-4-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-(furan-2-yl)-1H-pyrazol-5-yl)isoxazole-3-carboxamide
CAS 1207042-09-8C21H20N6O4
N2,N4-bis(2H-1,3-benzodioxol-5-yl)-6-(pyrrolidin-1-yl)-1,3,5-triazine-2,4-diamine chemical structure, C21H20N6O4, CAS 898623-26-2
N2,N4-bis(2H-1,3-benzodioxol-5-yl)-6-(pyrrolidin-1-yl)-1,3,5-triazine-2,4-diamine
CAS 898623-26-2C21H20N6O4
2-(4-(Benzo[d][1,3]dioxole-5-carboxamido)phenyl)-N-cyclopentyl-2H-tetrazole-5-carboxamide chemical structure, C21H20N6O4, CAS 1396878-21-9
2-(4-(Benzo[d][1,3]dioxole-5-carboxamido)phenyl)-N-cyclopentyl-2H-tetrazole-5-carboxamide
CAS 1396878-21-9C21H20N6O4
N-(3-Cyclopropyl-1-(4-oxo-3,4,5,6,7,8-hexahydroquinazolin-2-yl)-1H-pyrazol-5-yl)-3-nitrobenzamide chemical structure, C21H20N6O4, CAS 1251549-76-4
N-(3-Cyclopropyl-1-(4-oxo-3,4,5,6,7,8-hexahydroquinazolin-2-yl)-1H-pyrazol-5-yl)-3-nitrobenzamide
CAS 1251549-76-4C21H20N6O4
N-(3-Cyclopropyl-1-(6-oxo-4-propyl-1,6-dihydropyrimidin-2-yl)-1H-pyrazol-5-yl)-5-(furan-2-yl)isoxazole-3-carboxamide chemical structure, C21H20N6O4, CAS 1206996-68-0
N-(3-Cyclopropyl-1-(6-oxo-4-propyl-1,6-dihydropyrimidin-2-yl)-1H-pyrazol-5-yl)-5-(furan-2-yl)isoxazole-3-carboxamide
CAS 1206996-68-0C21H20N6O4
N-(2,5-Dimethoxyphenyl)-2-(7-oxo-3-(m-tolyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-6(7H)-yl)acetamide chemical structure, C21H20N6O4, CAS 893934-54-8
N-(2,5-Dimethoxyphenyl)-2-(7-oxo-3-(m-tolyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-6(7H)-yl)acetamide
CAS 893934-54-8C21H20N6O4
N-(3-Acetamidophenyl)-2-(3,4-dioxo-8-phenyl-3,4,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazin-2(6H)-yl)acetamide chemical structure, C21H20N6O4, CAS 941887-19-0
N-(3-Acetamidophenyl)-2-(3,4-dioxo-8-phenyl-3,4,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazin-2(6H)-yl)acetamide
CAS 941887-19-0C21H20N6O4
N-(4-Acetamidophenyl)-2-(3,4-dioxo-8-phenyl-3,4,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazin-2(6H)-yl)acetamide chemical structure, C21H20N6O4, CAS 941975-82-2
N-(4-Acetamidophenyl)-2-(3,4-dioxo-8-phenyl-3,4,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazin-2(6H)-yl)acetamide
CAS 941975-82-2C21H20N6O4
4-(1,3-Dioxoisoindolin-2-yl)-N-((1-(4-methoxyphenyl)-1H-tetrazol-5-yl)methyl)butanamide chemical structure, C21H20N6O4, CAS 921096-19-7
4-(1,3-Dioxoisoindolin-2-yl)-N-((1-(4-methoxyphenyl)-1H-tetrazol-5-yl)methyl)butanamide
CAS 921096-19-7C21H20N6O4
3-(1,3-Dioxoisoindolin-2-yl)-N-((1-(4-ethoxyphenyl)-1H-tetrazol-5-yl)methyl)propanamide chemical structure, C21H20N6O4, CAS 920458-57-7
3-(1,3-Dioxoisoindolin-2-yl)-N-((1-(4-ethoxyphenyl)-1H-tetrazol-5-yl)methyl)propanamide
CAS 920458-57-7C21H20N6O4
N-(2-Ethoxyphenyl)-2-[3-(4-methoxyphenyl)-7-oxo-3H,6H,7H-[1,2,3]triazolo[4,5-d]pyrimidin-6-yl]acetamide chemical structure, C21H20N6O4, CAS 847386-95-2
N-(2-Ethoxyphenyl)-2-[3-(4-methoxyphenyl)-7-oxo-3H,6H,7H-[1,2,3]triazolo[4,5-d]pyrimidin-6-yl]acetamide
CAS 847386-95-2C21H20N6O4
2'-Deoxy-N-[(naphthalen-1-yl)carbamoyl]adenosine chemical structure, C21H20N6O4, CAS 658712-93-7
2'-Deoxy-N-[(naphthalen-1-yl)carbamoyl]adenosine
CAS 658712-93-7C21H20N6O4
3-(2-Oxo-2-(3-((3-(pyrazin-2-yl)-1,2,4-oxadiazol-5-yl)methyl)piperidin-1-yl)ethyl)benzo[d]oxazol-2(3H)-one chemical structure, C21H20N6O4, CAS 1705461-21-7
3-(2-Oxo-2-(3-((3-(pyrazin-2-yl)-1,2,4-oxadiazol-5-yl)methyl)piperidin-1-yl)ethyl)benzo[d]oxazol-2(3H)-one
CAS 1705461-21-7C21H20N6O4
(E)-1-Benzyl-8-(2-(2,4-dihydroxybenzylidene)hydrazinyl)-3,7-dimethyl-1H-purine-2,6(3H,7H)-dione chemical structure, C21H20N6O4, CAS 899724-60-8
(E)-1-Benzyl-8-(2-(2,4-dihydroxybenzylidene)hydrazinyl)-3,7-dimethyl-1H-purine-2,6(3H,7H)-dione
CAS 899724-60-8C21H20N6O4

Frequently asked questions

What is the molar mass of C21H20N6O4?

The molar mass of C21H20N6O4 is 420.43 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 6 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 420.1546 Da.

How many compounds have the formula C21H20N6O4?

CompoundList lists 33 compounds with the molecular formula C21H20N6O4, including AS 35, Methyl 4-(2-((2,4-diaminopteridin-6-yl)methyl)-1-methoxy-1-oxopent-4-yn-2-yl)benzoate, N-(2-Ethoxyphenyl)-2-[3-(3-methoxyphenyl)-7-oxotriazolo[4,5-d]pyrimidin-6-yl]acetamide. 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 C21H20N6O4?

C21H20N6O4 has a degree of unsaturation of 15. 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.