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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 101 to 123 of 123 compounds

3-(2-(2-Morpholino-6,7-dihydropyrido[2,3-d]pyrimidin-8(5H)-yl)-2-oxoethyl)benzo[d]oxazol-2(3H)-one chemical structure, C20H21N5O4, CAS 2194909-85-6
3-(2-(2-Morpholino-6,7-dihydropyrido[2,3-d]pyrimidin-8(5H)-yl)-2-oxoethyl)benzo[d]oxazol-2(3H)-one
CAS 2194909-85-6C20H21N5O4
2,4-Dimethoxy-N-(3-methyl-1-(4-oxo-4,5,6,7-tetrahydro-3H-cyclopenta[d]pyrimidin-2-yl)-1H-pyrazol-5-yl)benzamide chemical structure, C20H21N5O4, CAS 1003799-54-9
2,4-Dimethoxy-N-(3-methyl-1-(4-oxo-4,5,6,7-tetrahydro-3H-cyclopenta[d]pyrimidin-2-yl)-1H-pyrazol-5-yl)benzamide
CAS 1003799-54-9C20H21N5O4
3,4-Dimethoxy-N-(3-methyl-1-(4-oxo-4,5,6,7-tetrahydro-3H-cyclopenta[d]pyrimidin-2-yl)-1H-pyrazol-5-yl)benzamide chemical structure, C20H21N5O4, CAS 1003799-55-0
3,4-Dimethoxy-N-(3-methyl-1-(4-oxo-4,5,6,7-tetrahydro-3H-cyclopenta[d]pyrimidin-2-yl)-1H-pyrazol-5-yl)benzamide
CAS 1003799-55-0C20H21N5O4
3,5-Dimethoxy-N-(3-methyl-1-(4-oxo-4,5,6,7-tetrahydro-3H-cyclopenta[d]pyrimidin-2-yl)-1H-pyrazol-5-yl)benzamide chemical structure, C20H21N5O4, CAS 1003799-57-2
3,5-Dimethoxy-N-(3-methyl-1-(4-oxo-4,5,6,7-tetrahydro-3H-cyclopenta[d]pyrimidin-2-yl)-1H-pyrazol-5-yl)benzamide
CAS 1003799-57-2C20H21N5O4
2-(3-Methoxyphenoxy)-N-(3-methyl-1-(4-oxo-4,5,6,7-tetrahydro-3H-cyclopenta[d]pyrimidin-2-yl)-1H-pyrazol-5-yl)acetamide chemical structure, C20H21N5O4, CAS 1002482-24-7
2-(3-Methoxyphenoxy)-N-(3-methyl-1-(4-oxo-4,5,6,7-tetrahydro-3H-cyclopenta[d]pyrimidin-2-yl)-1H-pyrazol-5-yl)acetamide
CAS 1002482-24-7C20H21N5O4
N-(3-Methyl-1-(6-oxo-4-propyl-1,6-dihydropyrimidin-2-yl)-1H-pyrazol-5-yl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide chemical structure, C20H21N5O4, CAS 1209607-14-6
N-(3-Methyl-1-(6-oxo-4-propyl-1,6-dihydropyrimidin-2-yl)-1H-pyrazol-5-yl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide
CAS 1209607-14-6C20H21N5O4
Cinnamic acid, p-acetamido-alpha-(p-acetamidobenzamido)-, hydrazide chemical structure, C20H21N5O4, CAS 28272-07-3
Cinnamic acid, p-acetamido-alpha-(p-acetamidobenzamido)-, hydrazide
CAS 28272-07-3C20H21N5O4
8-Amino-7-(2-hydroxy-3-(naphthalen-2-yloxy)propyl)-1,3-dimethyl-1H-purine-2,6(3H,7H)-dione chemical structure, C20H21N5O4, CAS 1105197-20-3
8-Amino-7-(2-hydroxy-3-(naphthalen-2-yloxy)propyl)-1,3-dimethyl-1H-purine-2,6(3H,7H)-dione
CAS 1105197-20-3C20H21N5O4
Ethyl 2-(5-((benzyloxycarbonylamino)methyl)-3-(pyridin-2-yl)-1H-1,2,4-triazol-1-yl)acetate chemical structure, C20H21N5O4, CAS 1246891-75-7
Ethyl 2-(5-((benzyloxycarbonylamino)methyl)-3-(pyridin-2-yl)-1H-1,2,4-triazol-1-yl)acetate
CAS 1246891-75-7C20H21N5O4
Ethyl 5-amino-1-{5-[(4-ethoxyphenyl)carbamoyl]pyridin-2-yl}-1H-pyrazole-4-carboxylate chemical structure, C20H21N5O4, CAS 1185164-01-5
Ethyl 5-amino-1-{5-[(4-ethoxyphenyl)carbamoyl]pyridin-2-yl}-1H-pyrazole-4-carboxylate
CAS 1185164-01-5C20H21N5O4
(E)-But-2-enedioic acid, 3-(4-prop-2-enylpiperazin-1-yl)quinoxaline-2-carbonitrile chemical structure, C20H21N5O4
(E)-But-2-enedioic acid, 3-(4-prop-2-enylpiperazin-1-yl)quinoxaline-2-carbonitrile
C20H21N5O4
3-Cyclopropyl-1-{1-[5-(pyridin-3-yl)-1,2-oxazole-3-carbonyl]piperidin-4-yl}imidazolidine-2,4-dione chemical structure, C20H21N5O4, CAS 2097913-96-5
3-Cyclopropyl-1-{1-[5-(pyridin-3-yl)-1,2-oxazole-3-carbonyl]piperidin-4-yl}imidazolidine-2,4-dione
CAS 2097913-96-5C20H21N5O4
2-(4-Methoxyphenoxy)-N-(3-methyl-1-(4-oxo-4,5,6,7-tetrahydro-3H-cyclopenta[d]pyrimidin-2-yl)-1H-pyrazol-5-yl)acetamide chemical structure, C20H21N5O4, CAS 1002482-25-8
2-(4-Methoxyphenoxy)-N-(3-methyl-1-(4-oxo-4,5,6,7-tetrahydro-3H-cyclopenta[d]pyrimidin-2-yl)-1H-pyrazol-5-yl)acetamide
CAS 1002482-25-8C20H21N5O4
(E)-3-(3,4-Dimethoxyphenyl)-N-(3-methyl-1-(4-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)-1H-pyrazol-5-yl)acrylamide chemical structure, C20H21N5O4, CAS 1019106-23-0
(E)-3-(3,4-Dimethoxyphenyl)-N-(3-methyl-1-(4-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)-1H-pyrazol-5-yl)acrylamide
CAS 1019106-23-0C20H21N5O4
3-(2-{4-[(5-Methoxypyrimidin-2-yl)oxy]piperidin-1-yl}-2-oxoethyl)-3,4-dihydroquinazolin-4-one chemical structure, C20H21N5O4, CAS 2548983-91-9
3-(2-{4-[(5-Methoxypyrimidin-2-yl)oxy]piperidin-1-yl}-2-oxoethyl)-3,4-dihydroquinazolin-4-one
CAS 2548983-91-9C20H21N5O4
1-(Furan-3-carbonyl)-N-[5-(2-methoxyphenyl)-1H-1,2,4-triazol-3-yl]piperidine-3-carboxamide chemical structure, C20H21N5O4, CAS 1209588-11-3
1-(Furan-3-carbonyl)-N-[5-(2-methoxyphenyl)-1H-1,2,4-triazol-3-yl]piperidine-3-carboxamide
CAS 1209588-11-3C20H21N5O4
Benzyl 4-(5-nitro-1H-1,3-benzodiazol-2-yl)-1,4-diazepane-1-carboxylate chemical structure, C20H21N5O4, CAS 2680830-78-6
Benzyl 4-(5-nitro-1H-1,3-benzodiazol-2-yl)-1,4-diazepane-1-carboxylate
CAS 2680830-78-6C20H21N5O4
1-(4-(2-(2-Azidoethoxy)ethoxy)benzyl)-N-hydroxy-1H-indole-6-carboxamide chemical structure, C20H21N5O4, CAS 2770263-67-5
1-(4-(2-(2-Azidoethoxy)ethoxy)benzyl)-N-hydroxy-1H-indole-6-carboxamide
CAS 2770263-67-5C20H21N5O4
Pyrazolo[1,5-a]pyrimidine-6-carboxylic acid,7-[4-(acetylethylamino)phenyl]-3-(aminocarbonyl)-,ethyl ester chemical structure, C20H21N5O4, CAS 400759-46-8
Pyrazolo[1,5-a]pyrimidine-6-carboxylic acid,7-[4-(acetylethylamino)phenyl]-3-(aminocarbonyl)-,ethyl ester
CAS 400759-46-8C20H21N5O4
2'-Deoxy-4'-C-ethynyl-3'-O-[(4-methoxyphenyl)methyl]adenosine chemical structure, C20H21N5O4, CAS 1804986-31-9
2'-Deoxy-4'-C-ethynyl-3'-O-[(4-methoxyphenyl)methyl]adenosine
CAS 1804986-31-9C20H21N5O4
3-[5-[3-(4-Azidobutoxy)prop-1-ynyl]-1-oxo-isoindolin-2-yl]piperidine-2,6-dione chemical structure, C20H21N5O4, CAS 2767219-00-9
3-[5-[3-(4-Azidobutoxy)prop-1-ynyl]-1-oxo-isoindolin-2-yl]piperidine-2,6-dione
CAS 2767219-00-9C20H21N5O4
3-[4-[3-(4-Azidobutoxy)prop-1-ynyl]-1-oxo-isoindolin-2-yl]piperidine-2,6-dione chemical structure, C20H21N5O4, CAS 2472091-77-1
3-[4-[3-(4-Azidobutoxy)prop-1-ynyl]-1-oxo-isoindolin-2-yl]piperidine-2,6-dione
CAS 2472091-77-1C20H21N5O4
13,16,19,22-Tetraoxa-2,3,5,6-tetrazatricyclo[21.4.0.07,12]heptacosa-1(27),2,4,7,9,11,23,25-octaene-4-carbonitrile chemical structure, C20H21N5O4, CAS 80473-47-8
13,16,19,22-Tetraoxa-2,3,5,6-tetrazatricyclo[21.4.0.07,12]heptacosa-1(27),2,4,7,9,11,23,25-octaene-4-carbonitrile
CAS 80473-47-8C20H21N5O4

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 3-(2-(2-Morpholino-6,7-dihydropyrido[2,3-d]pyrimidin-8(5H)-yl)-2-oxoethyl)benzo[d]oxazol-2(3H)-one, 2,4-Dimethoxy-N-(3-methyl-1-(4-oxo-4,5,6,7-tetrahydro-3H-cyclopenta[d]pyrimidin-2-yl)-1H-pyrazol-5-yl)benzamide, 3,4-Dimethoxy-N-(3-methyl-1-(4-oxo-4,5,6,7-tetrahydro-3H-cyclopenta[d]pyrimidin-2-yl)-1H-pyrazol-5-yl)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 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.