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Molecular formula

C21H19Cl2NO3

15 compounds have this formula on CompoundList.

Molar mass
404.29g/mol
Monoisotopic mass
403.0742Da
Atoms
46
Elements
5
Rings plus double bonds
12

The formula C21H19Cl2NO3 describes a molecule made of 21 carbon atoms, 19 hydrogen atoms, 2 chlorine atoms, 1 nitrogen atom 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 × 2162.39%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 194.74%
    1.008 × 19 = 19.152 g/mol
  • Cl Chlorine × 217.54%
    35.45 × 2 = 70.900 g/mol
  • N Nitrogen × 13.46%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 311.87%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C21H19Cl2NO3

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

Showing 1 to 15 of 15 compounds

4-Methylbenzyl 4-(2,6-dichlorophenyl)-2-methyl-6-oxo-1,4,5,6-tetrahydropyridine-3-carboxylate chemical structure, C21H19Cl2NO3, CAS 886637-11-2
4-Methylbenzyl 4-(2,6-dichlorophenyl)-2-methyl-6-oxo-1,4,5,6-tetrahydropyridine-3-carboxylate
CAS 886637-11-2C21H19Cl2NO3
2-Phenylethyl 4-(2,3-dichlorophenyl)-2-methyl-6-oxo-1,4,5,6-tetrahydropyridine-3-carboxylate chemical structure, C21H19Cl2NO3, CAS 312696-85-8
2-Phenylethyl 4-(2,3-dichlorophenyl)-2-methyl-6-oxo-1,4,5,6-tetrahydropyridine-3-carboxylate
CAS 312696-85-8C21H19Cl2NO3
2-Phenylethyl 4-(2,4-dichlorophenyl)-2-methyl-6-oxo-1,4,5,6-tetrahydropyridine-3-carboxylate chemical structure, C21H19Cl2NO3, CAS 312696-68-7
2-Phenylethyl 4-(2,4-dichlorophenyl)-2-methyl-6-oxo-1,4,5,6-tetrahydropyridine-3-carboxylate
CAS 312696-68-7C21H19Cl2NO3
2-Cyclopentyl-3-(2,4-dichlorophenyl)-1-oxo-1,2,3,4-tetrahydro-4-isoquinolinecarboxylic acid chemical structure, C21H19Cl2NO3, CAS 400073-92-9
2-Cyclopentyl-3-(2,4-dichlorophenyl)-1-oxo-1,2,3,4-tetrahydro-4-isoquinolinecarboxylic acid
CAS 400073-92-9C21H19Cl2NO3
4-({3-Chloro-4-[(2-chlorobenzyl)oxy]-5-methoxybenzyl}amino)phenol chemical structure, C21H19Cl2NO3, CAS 665014-95-9
4-({3-Chloro-4-[(2-chlorobenzyl)oxy]-5-methoxybenzyl}amino)phenol
CAS 665014-95-9C21H19Cl2NO3
2-{[(3,4-Dichlorobenzyl)amino]methylene}-5-(4-methoxyphenyl)cyclohexane-1,3-dione chemical structure, C21H19Cl2NO3, CAS 351013-73-5
2-{[(3,4-Dichlorobenzyl)amino]methylene}-5-(4-methoxyphenyl)cyclohexane-1,3-dione
CAS 351013-73-5C21H19Cl2NO3
3-[(2,6-Dichlorophenyl)methyl]-1-(3,5-dimethoxyphenyl)-2-methylpyridin-4-one chemical structure, C21H19Cl2NO3, CAS 339017-20-8
3-[(2,6-Dichlorophenyl)methyl]-1-(3,5-dimethoxyphenyl)-2-methylpyridin-4-one
CAS 339017-20-8C21H19Cl2NO3
3-Pyridinecarboxylic acid, 2-(4-((4-chlorophenyl)methyl)phenoxy)ethyl ester, hydrochloride chemical structure, C21H19Cl2NO3, CAS 71548-81-7
3-Pyridinecarboxylic acid, 2-(4-((4-chlorophenyl)methyl)phenoxy)ethyl ester, hydrochloride
CAS 71548-81-7C21H19Cl2NO3
6-Chloro-9-(3-chloro-4-methylphenyl)-4-propyl-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one chemical structure, C21H19Cl2NO3, CAS 848278-94-4
6-Chloro-9-(3-chloro-4-methylphenyl)-4-propyl-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one
CAS 848278-94-4C21H19Cl2NO3
6-Chloro-9-(2-chlorobenzyl)-4-propyl-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one chemical structure, C21H19Cl2NO3, CAS 845990-39-8
6-Chloro-9-(2-chlorobenzyl)-4-propyl-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one
CAS 845990-39-8C21H19Cl2NO3
6-Chloro-9-[2-(4-chlorophenyl)ethyl]-4-ethyl-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one chemical structure, C21H19Cl2NO3, CAS 861628-31-1
6-Chloro-9-[2-(4-chlorophenyl)ethyl]-4-ethyl-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one
CAS 861628-31-1C21H19Cl2NO3
3-((2,6-Dichlorobenzyl)oxy)-1-(4-methoxybenzyl)-2-methyl-4(1H)-pyridinone chemical structure, C21H19Cl2NO3, CAS 338965-53-0
3-((2,6-Dichlorobenzyl)oxy)-1-(4-methoxybenzyl)-2-methyl-4(1H)-pyridinone
CAS 338965-53-0C21H19Cl2NO3
(2Z)-2-(2,4-Dichlorobenzylidene)-6-hydroxy-7-(piperidin-1-ylmethyl)-1-benzofuran-3(2H)-one chemical structure, C21H19Cl2NO3, CAS 929456-59-7
(2Z)-2-(2,4-Dichlorobenzylidene)-6-hydroxy-7-(piperidin-1-ylmethyl)-1-benzofuran-3(2H)-one
CAS 929456-59-7C21H19Cl2NO3
Ethyl 5-(2,4-dichlorophenyl)-1-(4-methoxyphenyl)-2-methyl-1H-pyrrole-3-carboxylate chemical structure, C21H19Cl2NO3, CAS 723303-27-3
Ethyl 5-(2,4-dichlorophenyl)-1-(4-methoxyphenyl)-2-methyl-1H-pyrrole-3-carboxylate
CAS 723303-27-3C21H19Cl2NO3
[6-Chloro-4-(4-chlorophenyl)-2-methyl-3-quinolinyl](isopropoxy)acetic acid chemical structure, C21H19Cl2NO3, CAS 957892-23-8
[6-Chloro-4-(4-chlorophenyl)-2-methyl-3-quinolinyl](isopropoxy)acetic acid
CAS 957892-23-8C21H19Cl2NO3

Frequently asked questions

What is the molar mass of C21H19Cl2NO3?

The molar mass of C21H19Cl2NO3 is 404.29 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 2 chlorine atoms, 1 nitrogen atom and 3 oxygen atoms. The monoisotopic mass is 403.0742 Da.

How many compounds have the formula C21H19Cl2NO3?

CompoundList lists 15 compounds with the molecular formula C21H19Cl2NO3, including 4-Methylbenzyl 4-(2,6-dichlorophenyl)-2-methyl-6-oxo-1,4,5,6-tetrahydropyridine-3-carboxylate, 2-Phenylethyl 4-(2,3-dichlorophenyl)-2-methyl-6-oxo-1,4,5,6-tetrahydropyridine-3-carboxylate, 2-Phenylethyl 4-(2,4-dichlorophenyl)-2-methyl-6-oxo-1,4,5,6-tetrahydropyridine-3-carboxylate. 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 C21H19Cl2NO3?

C21H19Cl2NO3 has a degree of unsaturation of 12. 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.