CompoundList
Molecular formula

C21H20N2O4

266 compounds have this formula on CompoundList.

Molar mass
364.40g/mol
Monoisotopic mass
364.1423Da
Atoms
47
Elements
4
Rings plus double bonds
13

The formula C21H20N2O4 describes a molecule made of 21 carbon atoms, 20 hydrogen atoms, 2 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 × 2169.22%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 205.53%
    1.008 × 20 = 20.160 g/mol
  • N Nitrogen × 27.69%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 417.56%
    15.999 × 4 = 63.996 g/mol
Look up another formula

Compounds with the formula C21H20N2O4

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

Showing 1 to 100 of 266 compounds

Hydrazinocurcumin chemical structure, C21H20N2O4, CAS 131068-23-0
Hydrazinocurcumin
CAS 131068-23-0C21H20N2O4
N-[3-[[2-(2,6-Dimethylphenoxy)-1-oxoethyl]amino]phenyl]-2-furancarboxamide chemical structure, C21H20N2O4, CAS 823833-94-9
N-[3-[[2-(2,6-Dimethylphenoxy)-1-oxoethyl]amino]phenyl]-2-furancarboxamide
CAS 823833-94-9C21H20N2O4
N-[3-[(3-Propoxybenzoyl)amino]phenyl]furan-2-carboxamide chemical structure, C21H20N2O4, CAS 388084-90-0
N-[3-[(3-Propoxybenzoyl)amino]phenyl]furan-2-carboxamide
CAS 388084-90-0C21H20N2O4
[4-(1,3-Benzodioxol-5-ylmethyl)piperazin-1-yl](1-benzofuran-2-yl)methanone chemical structure, C21H20N2O4, CAS 851687-87-1
[4-(1,3-Benzodioxol-5-ylmethyl)piperazin-1-yl](1-benzofuran-2-yl)methanone
CAS 851687-87-1C21H20N2O4
2-(5-(4-Methoxyphenoxy)pyrimidin-4-yl)-5-((2-methylallyl)oxy)phenol chemical structure, C21H20N2O4, CAS 862197-62-4
2-(5-(4-Methoxyphenoxy)pyrimidin-4-yl)-5-((2-methylallyl)oxy)phenol
CAS 862197-62-4C21H20N2O4
N-(2-(7,8-Dimethyl-2-oxo-1,2-dihydroquinolin-3-yl)ethyl)benzo[d][1,3]dioxole-5-carboxamide chemical structure, C21H20N2O4, CAS 851408-07-6
N-(2-(7,8-Dimethyl-2-oxo-1,2-dihydroquinolin-3-yl)ethyl)benzo[d][1,3]dioxole-5-carboxamide
CAS 851408-07-6C21H20N2O4
2-[(2S)-1-(Morpholin-4-yl)-1-oxo-3-phenylpropan-2-yl]-2,3-dihydro-1H-isoindole-1,3-dione chemical structure, C21H20N2O4, CAS 232923-93-2
2-[(2S)-1-(Morpholin-4-yl)-1-oxo-3-phenylpropan-2-yl]-2,3-dihydro-1H-isoindole-1,3-dione
CAS 232923-93-2C21H20N2O4
Methyl 1-(2-(furan-2-yl)quinoline-4-carbonyl)piperidine-4-carboxylate chemical structure, C21H20N2O4, CAS 732986-93-5
Methyl 1-(2-(furan-2-yl)quinoline-4-carbonyl)piperidine-4-carboxylate
CAS 732986-93-5C21H20N2O4
Ethyl (3-hydroxy-2'-methyl-2-oxo-2,3-dihydro-1H,1'H-3,3'-biindol-1-yl)acetate chemical structure, C21H20N2O4, CAS 688038-05-3
Ethyl (3-hydroxy-2'-methyl-2-oxo-2,3-dihydro-1H,1'H-3,3'-biindol-1-yl)acetate
CAS 688038-05-3C21H20N2O4
6-Methoxy-3-(4-phenyl-piperazine-1-carbonyl)-chromen-2-one chemical structure, C21H20N2O4, CAS 491870-37-2
6-Methoxy-3-(4-phenyl-piperazine-1-carbonyl)-chromen-2-one
CAS 491870-37-2C21H20N2O4
N-[4-[(3-Propan-2-yloxybenzoyl)amino]phenyl]furan-2-carboxamide chemical structure, C21H20N2O4, CAS 797806-77-0
N-[4-[(3-Propan-2-yloxybenzoyl)amino]phenyl]furan-2-carboxamide
CAS 797806-77-0C21H20N2O4
N-(4-Acetamidophenyl)-5-[(4-methylphenoxy)methyl]furan-2-carboxamide chemical structure, C21H20N2O4, CAS 801226-68-6
N-(4-Acetamidophenyl)-5-[(4-methylphenoxy)methyl]furan-2-carboxamide
CAS 801226-68-6C21H20N2O4
1-[4-(Furan-2-carbonyl)piperazin-1-yl]-2-naphthalen-2-yloxyethanone chemical structure, C21H20N2O4, CAS 510713-77-6
1-[4-(Furan-2-carbonyl)piperazin-1-yl]-2-naphthalen-2-yloxyethanone
CAS 510713-77-6C21H20N2O4
N-{2-Methoxy-5-[(3-phenylpropanoyl)amino]phenyl}-2-furamide chemical structure, C21H20N2O4, CAS 666711-41-7
N-{2-Methoxy-5-[(3-phenylpropanoyl)amino]phenyl}-2-furamide
CAS 666711-41-7C21H20N2O4
N-[1,3-Dioxo-2-(oxolan-2-ylmethyl)isoindol-5-yl]-3-methylbenzamide chemical structure, C21H20N2O4, CAS 666711-59-7
N-[1,3-Dioxo-2-(oxolan-2-ylmethyl)isoindol-5-yl]-3-methylbenzamide
CAS 666711-59-7C21H20N2O4
N-(2-(5,8-Dimethyl-2-oxo-1,2-dihydroquinolin-3-yl)ethyl)benzo[d][1,3]dioxole-5-carboxamide chemical structure, C21H20N2O4, CAS 851407-05-1
N-(2-(5,8-Dimethyl-2-oxo-1,2-dihydroquinolin-3-yl)ethyl)benzo[d][1,3]dioxole-5-carboxamide
CAS 851407-05-1C21H20N2O4
N-Benzyl-1,3-dioxo-2-(oxolan-2-ylmethyl)isoindole-5-carboxamide chemical structure, C21H20N2O4, CAS 518008-14-5
N-Benzyl-1,3-dioxo-2-(oxolan-2-ylmethyl)isoindole-5-carboxamide
CAS 518008-14-5C21H20N2O4
1-(3,4-Dimethylphenyl)-1-oxopropan-2-yl (4-oxo-3,4-dihydrophthalazin-1-yl)acetate chemical structure, C21H20N2O4, CAS 1008229-52-4
1-(3,4-Dimethylphenyl)-1-oxopropan-2-yl (4-oxo-3,4-dihydrophthalazin-1-yl)acetate
CAS 1008229-52-4C21H20N2O4
[2-[(4-Methoxyphenyl)methylamino]-2-oxoethyl] 2-methylquinoline-4-carboxylate chemical structure, C21H20N2O4, CAS 783310-57-6
[2-[(4-Methoxyphenyl)methylamino]-2-oxoethyl] 2-methylquinoline-4-carboxylate
CAS 783310-57-6C21H20N2O4
3'-[2-(2-Methoxyphenyl)-2-oxoethyl]spiro[2,3-dihydro-1H-naphthalene-4,5'-imidazolidine]-2',4'-dione chemical structure, C21H20N2O4, CAS 763086-20-0
3'-[2-(2-Methoxyphenyl)-2-oxoethyl]spiro[2,3-dihydro-1H-naphthalene-4,5'-imidazolidine]-2',4'-dione
CAS 763086-20-0C21H20N2O4
1,3-Dimethyl-5-(2-phenyl-5,6,7,8-tetrahydro-4H-chromen-4-ylidene)pyrimidine-2,4,6(1H,3H,5H)-trione chemical structure, C21H20N2O4, CAS 865591-12-4
1,3-Dimethyl-5-(2-phenyl-5,6,7,8-tetrahydro-4H-chromen-4-ylidene)pyrimidine-2,4,6(1H,3H,5H)-trione
CAS 865591-12-4C21H20N2O4
[2-[(2-Methoxyphenyl)methylamino]-2-oxoethyl] 2-methylquinoline-4-carboxylate chemical structure, C21H20N2O4, CAS 732267-69-5
[2-[(2-Methoxyphenyl)methylamino]-2-oxoethyl] 2-methylquinoline-4-carboxylate
CAS 732267-69-5C21H20N2O4
N-(2,6-Dimethylphenyl)-3-(5-(3-nitrophenyl)-2-furyl)propanamide chemical structure, C21H20N2O4, CAS 853329-55-2
N-(2,6-Dimethylphenyl)-3-(5-(3-nitrophenyl)-2-furyl)propanamide
CAS 853329-55-2C21H20N2O4
N'-(3-Ethoxy-4-hydroxybenzylidene)-2-(2-naphthyloxy)acetohydrazide chemical structure, C21H20N2O4, CAS 349646-05-5
N'-(3-Ethoxy-4-hydroxybenzylidene)-2-(2-naphthyloxy)acetohydrazide
CAS 349646-05-5C21H20N2O4

Frequently asked questions

What is the molar mass of C21H20N2O4?

The molar mass of C21H20N2O4 is 364.40 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 364.1423 Da.

How many compounds have the formula C21H20N2O4?

CompoundList lists 266 compounds with the molecular formula C21H20N2O4, including Hydrazinocurcumin, N-[3-[[2-(2,6-Dimethylphenoxy)-1-oxoethyl]amino]phenyl]-2-furancarboxamide, N-[3-[(3-Propoxybenzoyl)amino]phenyl]furan-2-carboxamide. 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 C21H20N2O4?

C21H20N2O4 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.