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Molecular formula

C21H20Cl2N2O3

26 compounds have this formula on CompoundList.

Molar mass
419.30g/mol
Monoisotopic mass
418.0851Da
Atoms
48
Elements
5
Rings plus double bonds
12

The formula C21H20Cl2N2O3 describes a molecule made of 21 carbon atoms, 20 hydrogen atoms, 2 chlorine atoms, 2 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 × 2160.15%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 204.81%
    1.008 × 20 = 20.160 g/mol
  • Cl Chlorine × 216.91%
    35.45 × 2 = 70.900 g/mol
  • N Nitrogen × 26.68%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 311.45%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C21H20Cl2N2O3

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

Showing 1 to 26 of 26 compounds

N-(2,4-Dichlorophenyl)-4-HO-2-oxo-1-pentyl-1,2-dihydro-3-quinolinecarboxamide chemical structure, C21H20Cl2N2O3, CAS 303093-26-7
N-(2,4-Dichlorophenyl)-4-HO-2-oxo-1-pentyl-1,2-dihydro-3-quinolinecarboxamide
CAS 303093-26-7C21H20Cl2N2O3
4-(2-(Cyclohexylcarbonyl)carbohydrazonoyl)phenyl 2,4-dichlorobenzoate chemical structure, C21H20Cl2N2O3, CAS 477734-95-5
4-(2-(Cyclohexylcarbonyl)carbohydrazonoyl)phenyl 2,4-dichlorobenzoate
CAS 477734-95-5C21H20Cl2N2O3
N-(5-Allyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-7-yl)-2,5-dichlorobenzamide chemical structure, C21H20Cl2N2O3, CAS 921790-68-3
N-(5-Allyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-7-yl)-2,5-dichlorobenzamide
CAS 921790-68-3C21H20Cl2N2O3
2-Phenylethyl 4-(3,4-dichlorophenyl)-1,6-dimethyl-2-oxo-1,2,3,4-tetrahydro-5-pyrimidinecarboxylate chemical structure, C21H20Cl2N2O3, CAS 5705-93-1
2-Phenylethyl 4-(3,4-dichlorophenyl)-1,6-dimethyl-2-oxo-1,2,3,4-tetrahydro-5-pyrimidinecarboxylate
CAS 5705-93-1C21H20Cl2N2O3
3-(2,4-Dichlorophenyl)-7-hydroxy-8-[(4-methylpiperazin-1-yl)methyl]-4H-chromen-4-one chemical structure, C21H20Cl2N2O3, CAS 302575-47-9
3-(2,4-Dichlorophenyl)-7-hydroxy-8-[(4-methylpiperazin-1-yl)methyl]-4H-chromen-4-one
CAS 302575-47-9C21H20Cl2N2O3
4-Benzoyl-5-(2,4-dichlorophenyl)-1-(2-(dimethylamino)ethyl)-3-hydroxy-1H-pyrrol-2(5H)-one chemical structure, C21H20Cl2N2O3, CAS 309923-63-5
4-Benzoyl-5-(2,4-dichlorophenyl)-1-(2-(dimethylamino)ethyl)-3-hydroxy-1H-pyrrol-2(5H)-one
CAS 309923-63-5C21H20Cl2N2O3
(Z)-2-(2,6-Dichlorobenzylidene)-6-hydroxy-7-((4-methylpiperazin-1-yl)methyl)benzofuran-3(2H)-one chemical structure, C21H20Cl2N2O3, CAS 899401-05-9
(Z)-2-(2,6-Dichlorobenzylidene)-6-hydroxy-7-((4-methylpiperazin-1-yl)methyl)benzofuran-3(2H)-one
CAS 899401-05-9C21H20Cl2N2O3
(E)-3-(4-Butoxy-3-methoxyphenyl)-2-cyano-N-(2,3-dichlorophenyl)prop-2-enamide chemical structure, C21H20Cl2N2O3, CAS 380434-46-8
(E)-3-(4-Butoxy-3-methoxyphenyl)-2-cyano-N-(2,3-dichlorophenyl)prop-2-enamide
CAS 380434-46-8C21H20Cl2N2O3
(E)-3-(4-Butoxy-3-methoxyphenyl)-2-cyano-N-(2,4-dichlorophenyl)prop-2-enamide chemical structure, C21H20Cl2N2O3, CAS 380424-47-5
(E)-3-(4-Butoxy-3-methoxyphenyl)-2-cyano-N-(2,4-dichlorophenyl)prop-2-enamide
CAS 380424-47-5C21H20Cl2N2O3
(E)-3-(4-Butoxy-3-methoxyphenyl)-2-cyano-N-(2,5-dichlorophenyl)prop-2-enamide chemical structure, C21H20Cl2N2O3, CAS 380424-62-4
(E)-3-(4-Butoxy-3-methoxyphenyl)-2-cyano-N-(2,5-dichlorophenyl)prop-2-enamide
CAS 380424-62-4C21H20Cl2N2O3
2-(5,6-Dichloro-1,3-dioxoisoindol-2-yl)-N-(2-methylphenyl)hexanamide chemical structure, C21H20Cl2N2O3, CAS 355422-55-8
2-(5,6-Dichloro-1,3-dioxoisoindol-2-yl)-N-(2-methylphenyl)hexanamide
CAS 355422-55-8C21H20Cl2N2O3
4-Benzoyl-5-(3,4-dichlorophenyl)-1-(2-(dimethylamino)ethyl)-3-hydroxy-1H-pyrrol-2(5H)-one chemical structure, C21H20Cl2N2O3, CAS 383370-47-6
4-Benzoyl-5-(3,4-dichlorophenyl)-1-(2-(dimethylamino)ethyl)-3-hydroxy-1H-pyrrol-2(5H)-one
CAS 383370-47-6C21H20Cl2N2O3
2,4-Dichloro-N-[(E)-3-oxo-3-(oxolan-2-ylmethylamino)-1-phenylprop-1-en-2-yl]benzamide chemical structure, C21H20Cl2N2O3, CAS 297146-11-3
2,4-Dichloro-N-[(E)-3-oxo-3-(oxolan-2-ylmethylamino)-1-phenylprop-1-en-2-yl]benzamide
CAS 297146-11-3C21H20Cl2N2O3
(5Z)-5-[4-(Butan-2-yloxy)-3-chlorobenzylidene]-3-(4-chlorobenzyl)imidazolidine-2,4-dione chemical structure, C21H20Cl2N2O3, CAS 432017-36-2
(5Z)-5-[4-(Butan-2-yloxy)-3-chlorobenzylidene]-3-(4-chlorobenzyl)imidazolidine-2,4-dione
CAS 432017-36-2C21H20Cl2N2O3
Propanamide, N-(3,4-dichlorophenyl)-, mixt. with 1-naphthalenyl methylcarbamate chemical structure, C21H20Cl2N2O3, CAS 37222-25-6
Propanamide, N-(3,4-dichlorophenyl)-, mixt. with 1-naphthalenyl methylcarbamate
CAS 37222-25-6C21H20Cl2N2O3
2-(2,4-Dichlorophenoxy)-N-[2-(6,7-dimethyl-2-oxo-1H-quinolin-3-yl)ethyl]acetamide chemical structure, C21H20Cl2N2O3, CAS 851403-05-9
2-(2,4-Dichlorophenoxy)-N-[2-(6,7-dimethyl-2-oxo-1H-quinolin-3-yl)ethyl]acetamide
CAS 851403-05-9C21H20Cl2N2O3
2-(2,4-Dichlorophenoxy)-N-(2-(5,8-dimethyl-2-oxo-1,2-dihydroquinolin-3-yl)ethyl)acetamide chemical structure, C21H20Cl2N2O3, CAS 851407-06-2
2-(2,4-Dichlorophenoxy)-N-(2-(5,8-dimethyl-2-oxo-1,2-dihydroquinolin-3-yl)ethyl)acetamide
CAS 851407-06-2C21H20Cl2N2O3
2-(2,4-Dichlorophenoxy)-N-[2-(7,8-dimethyl-2-oxo-1H-quinolin-3-yl)ethyl]acetamide chemical structure, C21H20Cl2N2O3, CAS 851408-08-7
2-(2,4-Dichlorophenoxy)-N-[2-(7,8-dimethyl-2-oxo-1H-quinolin-3-yl)ethyl]acetamide
CAS 851408-08-7C21H20Cl2N2O3
4-(4-Chlorobenzoyl)-5-(4-chlorophenyl)-1-[2-(dimethylamino)ethyl]-3-hydroxy-2,5-dihydro-1H-pyrrol-2-one chemical structure, C21H20Cl2N2O3, CAS 402514-13-0
4-(4-Chlorobenzoyl)-5-(4-chlorophenyl)-1-[2-(dimethylamino)ethyl]-3-hydroxy-2,5-dihydro-1H-pyrrol-2-one
CAS 402514-13-0C21H20Cl2N2O3
2-(3,4-Dichlorophenyl)-4-(3-methoxy-4-propoxybenzylidene)-5-methyl-2,4-dihydro-3H-pyrazol-3-one chemical structure, C21H20Cl2N2O3, CAS 354541-73-4
2-(3,4-Dichlorophenyl)-4-(3-methoxy-4-propoxybenzylidene)-5-methyl-2,4-dihydro-3H-pyrazol-3-one
CAS 354541-73-4C21H20Cl2N2O3
N-(1-(Cyclopropanecarbonyl)-1,2,3,4-tetrahydroquinolin-6-yl)-2-(2,4-dichlorophenoxy)acetamide chemical structure, C21H20Cl2N2O3, CAS 941944-66-7
N-(1-(Cyclopropanecarbonyl)-1,2,3,4-tetrahydroquinolin-6-yl)-2-(2,4-dichlorophenoxy)acetamide
CAS 941944-66-7C21H20Cl2N2O3
N-(2-(Cyclopropanecarbonyl)-1,2,3,4-tetrahydroisoquinolin-7-yl)-2-(2,4-dichlorophenoxy)acetamide chemical structure, C21H20Cl2N2O3, CAS 955645-03-1
N-(2-(Cyclopropanecarbonyl)-1,2,3,4-tetrahydroisoquinolin-7-yl)-2-(2,4-dichlorophenoxy)acetamide
CAS 955645-03-1C21H20Cl2N2O3
N-(5-Allyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-7-yl)-2,4-dichlorobenzamide chemical structure, C21H20Cl2N2O3, CAS 921545-98-4
N-(5-Allyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-7-yl)-2,4-dichlorobenzamide
CAS 921545-98-4C21H20Cl2N2O3
5-[4-(2,6-Dichloro benzyl)-piperazine-1-yl]-4-methyl-benzofuran-2-carboxylic acid chemical structure, C21H20Cl2N2O3, CAS 1192171-79-1
5-[4-(2,6-Dichloro benzyl)-piperazine-1-yl]-4-methyl-benzofuran-2-carboxylic acid
CAS 1192171-79-1C21H20Cl2N2O3

Frequently asked questions

What is the molar mass of C21H20Cl2N2O3?

The molar mass of C21H20Cl2N2O3 is 419.30 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 2 chlorine atoms, 2 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 418.0851 Da.

How many compounds have the formula C21H20Cl2N2O3?

CompoundList lists 26 compounds with the molecular formula C21H20Cl2N2O3, including N-(2,4-Dichlorophenyl)-4-HO-2-oxo-1-pentyl-1,2-dihydro-3-quinolinecarboxamide, 4-(2-(Cyclohexylcarbonyl)carbohydrazonoyl)phenyl 2,4-dichlorobenzoate, N-(5-Allyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-7-yl)-2,5-dichlorobenzamide. 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 C21H20Cl2N2O3?

C21H20Cl2N2O3 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.