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Molecular formula

C20H16N4O5

34 compounds have this formula on CompoundList.

Molar mass
392.37g/mol
Monoisotopic mass
392.1121Da
Atoms
45
Elements
4
Rings plus double bonds
15

The formula C20H16N4O5 describes a molecule made of 20 carbon atoms, 16 hydrogen atoms, 4 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 × 2061.22%
    12.011 × 20 = 240.220 g/mol
  • H Hydrogen × 164.11%
    1.008 × 16 = 16.128 g/mol
  • N Nitrogen × 414.28%
    14.007 × 4 = 56.028 g/mol
  • O Oxygen × 520.39%
    15.999 × 5 = 79.995 g/mol
Look up another formula

Compounds with the formula C20H16N4O5

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

Showing 1 to 34 of 34 compounds

3-(2,5-Dioxopyrrolidin-1-yl)-N-[5-(2-methoxyphenyl)-1,3,4-oxadiazol-2-yl]benzamide chemical structure, C20H16N4O5, CAS 865286-00-6
3-(2,5-Dioxopyrrolidin-1-yl)-N-[5-(2-methoxyphenyl)-1,3,4-oxadiazol-2-yl]benzamide
CAS 865286-00-6C20H16N4O5
N-Acetyl-N-(2-(2-{3-nitrophenyl}vinyl)-4-oxo-3(4H)-quinazolinyl)acetamide chemical structure, C20H16N4O5, CAS 303132-95-8
N-Acetyl-N-(2-(2-{3-nitrophenyl}vinyl)-4-oxo-3(4H)-quinazolinyl)acetamide
CAS 303132-95-8C20H16N4O5
3-(2,5-Dioxopyrrolidin-1-yl)-N-[5-(phenoxymethyl)-1,3,4-oxadiazol-2-yl]benzamide chemical structure, C20H16N4O5, CAS 1257552-60-5
3-(2,5-Dioxopyrrolidin-1-yl)-N-[5-(phenoxymethyl)-1,3,4-oxadiazol-2-yl]benzamide
CAS 1257552-60-5C20H16N4O5
3-(2-(2-(1-Allyl-2-oxoindolin-3-ylidene)hydrazineyl)-2-oxoacetamido)benzoic acid chemical structure, C20H16N4O5, CAS 883791-50-2
3-(2-(2-(1-Allyl-2-oxoindolin-3-ylidene)hydrazineyl)-2-oxoacetamido)benzoic acid
CAS 883791-50-2C20H16N4O5
N-(2-Carbamoylphenyl)-1-[(3-nitrophenyl)methyl]-6-oxopyridine-3-carboxamide chemical structure, C20H16N4O5, CAS 942010-10-8
N-(2-Carbamoylphenyl)-1-[(3-nitrophenyl)methyl]-6-oxopyridine-3-carboxamide
CAS 942010-10-8C20H16N4O5
(2E)-2-[(2,4-Dinitrophenyl)hydrazinylidene]-1,2-diphenylethanol chemical structure, C20H16N4O5, CAS 13804-47-2
(2E)-2-[(2,4-Dinitrophenyl)hydrazinylidene]-1,2-diphenylethanol
CAS 13804-47-2C20H16N4O5
RefChem:382094 chemical structure, C20H16N4O5, CAS 6368-76-9
RefChem:382094
CAS 6368-76-9C20H16N4O5
Methyl [2,4-dioxo-3-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]-3,4-dihydroquinazolin-1(2H)-yl]acetate chemical structure, C20H16N4O5, CAS 894928-93-9
Methyl [2,4-dioxo-3-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]-3,4-dihydroquinazolin-1(2H)-yl]acetate
CAS 894928-93-9C20H16N4O5
N-(2,4-Dinitrophenyl)-2-oxa-16-azatetracyclo[11.2.1.0~3,12~.0~6,11~]hexadeca-3(12),4,6(11),7,9-pentaen-16-amine chemical structure, C20H16N4O5, CAS 22794-77-0
N-(2,4-Dinitrophenyl)-2-oxa-16-azatetracyclo[11.2.1.0~3,12~.0~6,11~]hexadeca-3(12),4,6(11),7,9-pentaen-16-amine
CAS 22794-77-0C20H16N4O5
2-[2-(1,3-Benzodioxol-5-yl)-4-oxopyrazolo[1,5-a]pyrazin-5(4H)-yl]-N-(2-furylmethyl)acetamide chemical structure, C20H16N4O5, CAS 1223759-00-9
2-[2-(1,3-Benzodioxol-5-yl)-4-oxopyrazolo[1,5-a]pyrazin-5(4H)-yl]-N-(2-furylmethyl)acetamide
CAS 1223759-00-9C20H16N4O5
3-(tert-Butyl)-2-(4-nitrophenyl)-6-nitroindeno[3,2-C]pyrazol-4-one chemical structure, C20H16N4O5, CAS 254888-04-5
3-(tert-Butyl)-2-(4-nitrophenyl)-6-nitroindeno[3,2-C]pyrazol-4-one
CAS 254888-04-5C20H16N4O5
2-(1,3-Dioxoisoindol-2-yl)-N-[[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl]acetamide chemical structure, C20H16N4O5, CAS 931683-30-6
2-(1,3-Dioxoisoindol-2-yl)-N-[[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl]acetamide
CAS 931683-30-6C20H16N4O5
7-{2-[3-(4-Methylphenyl)-1,2,4-oxadiazol-5-yl]ethyl}-2H,5H,6H,7H,8H-[1,3]dioxolo[4,5-g]quinazoline-6,8-dione chemical structure, C20H16N4O5, CAS 1031634-13-5
7-{2-[3-(4-Methylphenyl)-1,2,4-oxadiazol-5-yl]ethyl}-2H,5H,6H,7H,8H-[1,3]dioxolo[4,5-g]quinazoline-6,8-dione
CAS 1031634-13-5C20H16N4O5
1-{[(2H-1,3-Benzodioxol-5-yl)carbamoyl]methyl}-6-oxo-N-phenyl-1,6-dihydropyridazine-3-carboxamide chemical structure, C20H16N4O5, CAS 946207-80-3
1-{[(2H-1,3-Benzodioxol-5-yl)carbamoyl]methyl}-6-oxo-N-phenyl-1,6-dihydropyridazine-3-carboxamide
CAS 946207-80-3C20H16N4O5
2-{2-[3-(1,3-Benzodioxol-5-yl)-1,2,4-oxadiazol-5-yl]-1H-pyrrol-1-yl}-N-(2-furylmethyl)acetamide chemical structure, C20H16N4O5, CAS 1260999-14-1
2-{2-[3-(1,3-Benzodioxol-5-yl)-1,2,4-oxadiazol-5-yl]-1H-pyrrol-1-yl}-N-(2-furylmethyl)acetamide
CAS 1260999-14-1C20H16N4O5
N-{1-[(2,3-Dihydro-1,4-benzodioxin-2-yl)methyl]-1H-pyrazol-4-yl}-5-(furan-2-yl)-1,2-oxazole-3-carboxamide chemical structure, C20H16N4O5, CAS 1797552-90-9
N-{1-[(2,3-Dihydro-1,4-benzodioxin-2-yl)methyl]-1H-pyrazol-4-yl}-5-(furan-2-yl)-1,2-oxazole-3-carboxamide
CAS 1797552-90-9C20H16N4O5
N-(4-Acetylphenyl)-2-[3-(4-nitrophenyl)-6-oxopyridazin-1-yl]acetamide chemical structure, C20H16N4O5, CAS 899990-62-6
N-(4-Acetylphenyl)-2-[3-(4-nitrophenyl)-6-oxopyridazin-1-yl]acetamide
CAS 899990-62-6C20H16N4O5
N-(4-Acetylphenyl)-2-[3-(3-nitrophenyl)-6-oxopyridazin-1-yl]acetamide chemical structure, C20H16N4O5, CAS 899990-83-1
N-(4-Acetylphenyl)-2-[3-(3-nitrophenyl)-6-oxopyridazin-1-yl]acetamide
CAS 899990-83-1C20H16N4O5
Methyl 5-((2,4-dioxo-3-(pyridin-2-ylmethyl)-3,4-dihydropyrido[3,2-d]pyrimidin-1(2H)-yl)methyl)furan-2-carboxylate chemical structure, C20H16N4O5, CAS 946371-01-3
Methyl 5-((2,4-dioxo-3-(pyridin-2-ylmethyl)-3,4-dihydropyrido[3,2-d]pyrimidin-1(2H)-yl)methyl)furan-2-carboxylate
CAS 946371-01-3C20H16N4O5
N-(5-(5-Oxo-1-phenylpyrrolidin-3-yl)-1,3,4-oxadiazol-2-yl)benzo[d][1,3]dioxole-5-carboxamide chemical structure, C20H16N4O5, CAS 1286712-60-4
N-(5-(5-Oxo-1-phenylpyrrolidin-3-yl)-1,3,4-oxadiazol-2-yl)benzo[d][1,3]dioxole-5-carboxamide
CAS 1286712-60-4C20H16N4O5
N-((3-(6-Ethoxypyridin-3-yl)-1,2,4-oxadiazol-5-yl)methyl)-4-oxo-4H-chromene-2-carboxamide chemical structure, C20H16N4O5, CAS 2034369-65-6
N-((3-(6-Ethoxypyridin-3-yl)-1,2,4-oxadiazol-5-yl)methyl)-4-oxo-4H-chromene-2-carboxamide
CAS 2034369-65-6C20H16N4O5
2-{3-Cyano-5-[(5-hydroxy-3-methyl-1-phenylpyrazol-4-yl)methylene]-4-methyl-2,6-dioxohydropyridyl}acetic acid chemical structure, C20H16N4O5, CAS 392670-88-1
2-{3-Cyano-5-[(5-hydroxy-3-methyl-1-phenylpyrazol-4-yl)methylene]-4-methyl-2,6-dioxohydropyridyl}acetic acid
CAS 392670-88-1C20H16N4O5
2-(2-Naphthylamino)-N'-[(6-nitro-1,3-benzodioxol-5-yl)methylene]acetohydrazide chemical structure, C20H16N4O5, CAS 328541-73-7
2-(2-Naphthylamino)-N'-[(6-nitro-1,3-benzodioxol-5-yl)methylene]acetohydrazide
CAS 328541-73-7C20H16N4O5
N-(2-Carbamoylphenyl)-1-(3-nitrobenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide chemical structure, C20H16N4O5, CAS 942008-73-3
N-(2-Carbamoylphenyl)-1-(3-nitrobenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide
CAS 942008-73-3C20H16N4O5

Frequently asked questions

What is the molar mass of C20H16N4O5?

The molar mass of C20H16N4O5 is 392.37 g/mol, calculated from standard atomic weights for 20 carbon atoms, 16 hydrogen atoms, 4 nitrogen atoms and 5 oxygen atoms. The monoisotopic mass is 392.1121 Da.

How many compounds have the formula C20H16N4O5?

CompoundList lists 34 compounds with the molecular formula C20H16N4O5, including 3-(2,5-Dioxopyrrolidin-1-yl)-N-[5-(2-methoxyphenyl)-1,3,4-oxadiazol-2-yl]benzamide, N-Acetyl-N-(2-(2-{3-nitrophenyl}vinyl)-4-oxo-3(4H)-quinazolinyl)acetamide, 3-(2,5-Dioxopyrrolidin-1-yl)-N-[5-(phenoxymethyl)-1,3,4-oxadiazol-2-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 C20H16N4O5?

C20H16N4O5 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.