CompoundList
Molecular formula

C21H19N3O3

215 compounds have this formula on CompoundList.

Molar mass
361.40g/mol
Monoisotopic mass
361.1426Da
Atoms
46
Elements
4
Rings plus double bonds
14

The formula C21H19N3O3 describes a molecule made of 21 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms and 3 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 × 2169.79%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 195.30%
    1.008 × 19 = 19.152 g/mol
  • N Nitrogen × 311.63%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 313.28%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C21H19N3O3

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

Showing 1 to 100 of 215 compounds

N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-3-methyl-1-benzofuran-2-carboxamide chemical structure, C21H19N3O3, CAS 378775-33-8
N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-3-methyl-1-benzofuran-2-carboxamide
CAS 378775-33-8C21H19N3O3
N-((1H-Indol-3-yl)acetyl)-L-tryptophan chemical structure, C21H19N3O3, CAS 57105-53-0
N-((1H-Indol-3-yl)acetyl)-L-tryptophan
CAS 57105-53-0C21H19N3O3
Methyl 4-[3-methyl-5-(4-methylphenyl)-6-oxo-2,4-dihydropyrrolo[3,4-c]pyrazol-4-yl]benzoate chemical structure, C21H19N3O3, CAS 573705-93-8
Methyl 4-[3-methyl-5-(4-methylphenyl)-6-oxo-2,4-dihydropyrrolo[3,4-c]pyrazol-4-yl]benzoate
CAS 573705-93-8C21H19N3O3
2-[(3-Butyl-4-oxoquinazolin-2-yl)methyl]isoindole-1,3-dione chemical structure, C21H19N3O3, CAS 332848-97-2
2-[(3-Butyl-4-oxoquinazolin-2-yl)methyl]isoindole-1,3-dione
CAS 332848-97-2C21H19N3O3
1-(4-Benzoylpiperazin-1-yl)-2-(1H-indol-3-yl)ethane-1,2-dione chemical structure, C21H19N3O3, CAS 313334-48-4
1-(4-Benzoylpiperazin-1-yl)-2-(1H-indol-3-yl)ethane-1,2-dione
CAS 313334-48-4C21H19N3O3
1,1-Dibenzyl-3-(3-nitrophenyl)urea chemical structure, C21H19N3O3, CAS 86764-64-9
1,1-Dibenzyl-3-(3-nitrophenyl)urea
CAS 86764-64-9C21H19N3O3
N-(4-Methoxyphenyl)-2-(3-oxo-1,2,3,4-tetrahydronaphtho[1,8-ef][1,4]diazepin-2-yl)acetamide chemical structure, C21H19N3O3, CAS 1008640-08-1
N-(4-Methoxyphenyl)-2-(3-oxo-1,2,3,4-tetrahydronaphtho[1,8-ef][1,4]diazepin-2-yl)acetamide
CAS 1008640-08-1C21H19N3O3
4(3H)-Quinazolinone, 2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl]- chemical structure, C21H19N3O3, CAS 28754-28-1
4(3H)-Quinazolinone, 2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl]-
CAS 28754-28-1C21H19N3O3
7-(Diethylamino)-3-(5-phenyl-1,3,4-oxadiazol-2-yl)-2H-chromen-2-one chemical structure, C21H19N3O3, CAS 50603-24-2
7-(Diethylamino)-3-(5-phenyl-1,3,4-oxadiazol-2-yl)-2H-chromen-2-one
CAS 50603-24-2C21H19N3O3
N-Mesityl-2-(4-oxo[1]benzofuro[3,2-d]pyrimidin-3(4H)-yl)acetamide chemical structure, C21H19N3O3, CAS 849687-71-4
N-Mesityl-2-(4-oxo[1]benzofuro[3,2-d]pyrimidin-3(4H)-yl)acetamide
CAS 849687-71-4C21H19N3O3
2-[[3-(2-Methylpropyl)-4-oxoquinazolin-2-yl]methyl]isoindole-1,3-dione chemical structure, C21H19N3O3, CAS 333437-61-9
2-[[3-(2-Methylpropyl)-4-oxoquinazolin-2-yl]methyl]isoindole-1,3-dione
CAS 333437-61-9C21H19N3O3
N-{2-[(4-Ethoxyphenyl)carbamoyl]phenyl}pyridine-3-carboxamide chemical structure, C21H19N3O3, CAS 326920-26-7
N-{2-[(4-Ethoxyphenyl)carbamoyl]phenyl}pyridine-3-carboxamide
CAS 326920-26-7C21H19N3O3
N'-(Benzo[cd]indol-2-yl)-2-(3,4-dimethoxyphenyl)acetohydrazide chemical structure, C21H19N3O3, CAS 370843-92-8
N'-(Benzo[cd]indol-2-yl)-2-(3,4-dimethoxyphenyl)acetohydrazide
CAS 370843-92-8C21H19N3O3
3-(4-Methoxybenzyl)-2,10-dimethylpyrimido[4,5-b]quinoline-4,5(3H,10H)-dione chemical structure, C21H19N3O3, CAS 883959-07-7
3-(4-Methoxybenzyl)-2,10-dimethylpyrimido[4,5-b]quinoline-4,5(3H,10H)-dione
CAS 883959-07-7C21H19N3O3
Ethyl 4-(3-methyl-6-oxo-4-phenyl-4,6-dihydropyrrolo[3,4-c]pyrazol-5(1H)-yl)benzoate chemical structure, C21H19N3O3, CAS 573945-16-1
Ethyl 4-(3-methyl-6-oxo-4-phenyl-4,6-dihydropyrrolo[3,4-c]pyrazol-5(1H)-yl)benzoate
CAS 573945-16-1C21H19N3O3
N'-(4-(Benzyloxy)-3-methoxybenzylidene)isonicotinohydrazide chemical structure, C21H19N3O3, CAS 52540-97-3
N'-(4-(Benzyloxy)-3-methoxybenzylidene)isonicotinohydrazide
CAS 52540-97-3C21H19N3O3
2-[(4-Methoxybenzoyl)amino]-N-(pyridin-3-ylmethyl)benzamide chemical structure, C21H19N3O3, CAS 667890-20-2
2-[(4-Methoxybenzoyl)amino]-N-(pyridin-3-ylmethyl)benzamide
CAS 667890-20-2C21H19N3O3
2-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)-N-[2-(5-methyl-1H-indol-3-yl)ethyl]acetamide chemical structure, C21H19N3O3, CAS 775290-18-1
2-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)-N-[2-(5-methyl-1H-indol-3-yl)ethyl]acetamide
CAS 775290-18-1C21H19N3O3
7-(Diethylamino)-3-(3-phenyl-1,2,4-oxadiazol-5-yl)-2H-chromen-2-one chemical structure, C21H19N3O3, CAS 892754-02-8
7-(Diethylamino)-3-(3-phenyl-1,2,4-oxadiazol-5-yl)-2H-chromen-2-one
CAS 892754-02-8C21H19N3O3
N-(2-(2-Furyl)-1-(((3-pyridinylmethyl)amino)carbonyl)vinyl)-4-methylbenzamide chemical structure, C21H19N3O3, CAS 324562-04-1
N-(2-(2-Furyl)-1-(((3-pyridinylmethyl)amino)carbonyl)vinyl)-4-methylbenzamide
CAS 324562-04-1C21H19N3O3
2-(2-(2-Ethoxybenzylidene)hydrazino)-N-(1-naphthyl)-2-oxoacetamide chemical structure, C21H19N3O3, CAS 359810-33-6
2-(2-(2-Ethoxybenzylidene)hydrazino)-N-(1-naphthyl)-2-oxoacetamide
CAS 359810-33-6C21H19N3O3
N-(2-(2-((2-HO-1-Naphthyl)methylene)hydrazino)-2-oxoethyl)-4-methylbenzamide chemical structure, C21H19N3O3, CAS 443991-86-4
N-(2-(2-((2-HO-1-Naphthyl)methylene)hydrazino)-2-oxoethyl)-4-methylbenzamide
CAS 443991-86-4C21H19N3O3
N-(2-(2-((2-HO-1-Naphthyl)methylene)hydrazino)-2-oxoethyl)-2-methylbenzamide chemical structure, C21H19N3O3, CAS 455325-04-9
N-(2-(2-((2-HO-1-Naphthyl)methylene)hydrazino)-2-oxoethyl)-2-methylbenzamide
CAS 455325-04-9C21H19N3O3
3,5-Bis(4-methoxyphenyl)-2-methylpyrazolo[1,5-a]pyrimidin-7(4H)-one chemical structure, C21H19N3O3, CAS 879614-68-3
3,5-Bis(4-methoxyphenyl)-2-methylpyrazolo[1,5-a]pyrimidin-7(4H)-one
CAS 879614-68-3C21H19N3O3

Frequently asked questions

What is the molar mass of C21H19N3O3?

The molar mass of C21H19N3O3 is 361.40 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 361.1426 Da.

How many compounds have the formula C21H19N3O3?

CompoundList lists 215 compounds with the molecular formula C21H19N3O3, including N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-3-methyl-1-benzofuran-2-carboxamide, N-((1H-Indol-3-yl)acetyl)-L-tryptophan, Methyl 4-[3-methyl-5-(4-methylphenyl)-6-oxo-2,4-dihydropyrrolo[3,4-c]pyrazol-4-yl]benzoate. 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 C21H19N3O3?

C21H19N3O3 has a degree of unsaturation of 14. 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.