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Molecular formula

C21H18Cl2N2O4

18 compounds have this formula on CompoundList.

Molar mass
433.28g/mol
Monoisotopic mass
432.0644Da
Atoms
47
Elements
5
Rings plus double bonds
13

The formula C21H18Cl2N2O4 describes a molecule made of 21 carbon atoms, 18 hydrogen atoms, 2 chlorine 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 × 2158.21%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 184.19%
    1.008 × 18 = 18.144 g/mol
  • Cl Chlorine × 216.36%
    35.45 × 2 = 70.900 g/mol
  • N Nitrogen × 26.47%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 414.77%
    15.999 × 4 = 63.996 g/mol
Look up another formula

Compounds with the formula C21H18Cl2N2O4

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

Showing 1 to 18 of 18 compounds

1-(3,4-Dichlorophenyl)-3-(4-methoxyphenyl)-4-morpholino-1H-pyrrole-2,5-dione chemical structure, C21H18Cl2N2O4, CAS 1417162-36-7
1-(3,4-Dichlorophenyl)-3-(4-methoxyphenyl)-4-morpholino-1H-pyrrole-2,5-dione
CAS 1417162-36-7C21H18Cl2N2O4
cis-2-(2,4-Dichlorophenyl)-2-(1H-imidazol-1-ylmethyl)-1,3-dioxolane-4-ylmethyl benzoate chemical structure, C21H18Cl2N2O4, CAS 70894-66-5
cis-2-(2,4-Dichlorophenyl)-2-(1H-imidazol-1-ylmethyl)-1,3-dioxolane-4-ylmethyl benzoate
CAS 70894-66-5C21H18Cl2N2O4
N-[6-Chloro-3-(4-chlorophenyl)-4-oxo-4H-chromen-2-yl]-2-(morpholin-4-yl)acetamide chemical structure, C21H18Cl2N2O4, CAS 879567-74-5
N-[6-Chloro-3-(4-chlorophenyl)-4-oxo-4H-chromen-2-yl]-2-(morpholin-4-yl)acetamide
CAS 879567-74-5C21H18Cl2N2O4
Propyl 4-[[3-(2,6-dichlorophenyl)-5-methyl-1,2-oxazole-4-carbonyl]amino]benzoate chemical structure, C21H18Cl2N2O4, CAS 349131-26-6
Propyl 4-[[3-(2,6-dichlorophenyl)-5-methyl-1,2-oxazole-4-carbonyl]amino]benzoate
CAS 349131-26-6C21H18Cl2N2O4
N-[3-[2-(2,4-Dichlorophenoxy)propanoylamino]-4-methylphenyl]furan-2-carboxamide chemical structure, C21H18Cl2N2O4, CAS 878708-90-8
N-[3-[2-(2,4-Dichlorophenoxy)propanoylamino]-4-methylphenyl]furan-2-carboxamide
CAS 878708-90-8C21H18Cl2N2O4
N-[4-[[2-(2,4-Dichloro-6-methylphenoxy)acetyl]amino]-2-methylphenyl]furan-2-carboxamide chemical structure, C21H18Cl2N2O4, CAS 863027-11-6
N-[4-[[2-(2,4-Dichloro-6-methylphenoxy)acetyl]amino]-2-methylphenyl]furan-2-carboxamide
CAS 863027-11-6C21H18Cl2N2O4
1-[(2,4-Dichlorophenyl)methyl]-N-(3,4-dimethoxyphenyl)-2-oxopyridine-3-carboxamide chemical structure, C21H18Cl2N2O4, CAS 320419-63-4
1-[(2,4-Dichlorophenyl)methyl]-N-(3,4-dimethoxyphenyl)-2-oxopyridine-3-carboxamide
CAS 320419-63-4C21H18Cl2N2O4
1-[(2,4-Dichlorophenyl)methyl]-N-(2,4-dimethoxyphenyl)-2-oxopyridine-3-carboxamide chemical structure, C21H18Cl2N2O4, CAS 320419-64-5
1-[(2,4-Dichlorophenyl)methyl]-N-(2,4-dimethoxyphenyl)-2-oxopyridine-3-carboxamide
CAS 320419-64-5C21H18Cl2N2O4
1-[(2,4-Dichlorophenyl)methyl]-N-(2,5-dimethoxyphenyl)-2-oxopyridine-3-carboxamide chemical structure, C21H18Cl2N2O4, CAS 320419-84-9
1-[(2,4-Dichlorophenyl)methyl]-N-(2,5-dimethoxyphenyl)-2-oxopyridine-3-carboxamide
CAS 320419-84-9C21H18Cl2N2O4
1-(2,4-Dichlorobenzyl)-N-(3,5-dimethoxyphenyl)-2-oxo-1,2-dihydro-3-pyridinecarboxamide chemical structure, C21H18Cl2N2O4, CAS 320419-83-8
1-(2,4-Dichlorobenzyl)-N-(3,5-dimethoxyphenyl)-2-oxo-1,2-dihydro-3-pyridinecarboxamide
CAS 320419-83-8C21H18Cl2N2O4
[2-(2,4-Dichlorophenyl)-2-(imidazol-1-ylmethyl)-1,3-dioxolan-4-yl]methyl benzoate chemical structure, C21H18Cl2N2O4, CAS 138866-89-4
[2-(2,4-Dichlorophenyl)-2-(imidazol-1-ylmethyl)-1,3-dioxolan-4-yl]methyl benzoate
CAS 138866-89-4C21H18Cl2N2O4
6,8-Dichloro-2-[4-(2-methoxyphenyl)piperazine-1-carbonyl]-4H-chromen-4-one chemical structure, C21H18Cl2N2O4, CAS 905767-22-8
6,8-Dichloro-2-[4-(2-methoxyphenyl)piperazine-1-carbonyl]-4H-chromen-4-one
CAS 905767-22-8C21H18Cl2N2O4
1H-Pyrazole-3,4-dicarboxylic acid, 1-(3,5-dichlorophenyl)-5-phenyl-, diethyl ester chemical structure, C21H18Cl2N2O4, CAS 96722-94-0
1H-Pyrazole-3,4-dicarboxylic acid, 1-(3,5-dichlorophenyl)-5-phenyl-, diethyl ester
CAS 96722-94-0C21H18Cl2N2O4
1H-Pyrazole-3,4-dicarboxylic acid, 5-(4-chlorophenyl)-1-(3-chlorophenyl)-, diethyl ester chemical structure, C21H18Cl2N2O4, CAS 96723-03-4
1H-Pyrazole-3,4-dicarboxylic acid, 5-(4-chlorophenyl)-1-(3-chlorophenyl)-, diethyl ester
CAS 96723-03-4C21H18Cl2N2O4
2,4-Dichloro-N-[2-(3,4-dimethylphenyl)-2-oxoethyl]-N-(2,5-dioxopyrrolidin-1-yl)benzamide chemical structure, C21H18Cl2N2O4, CAS 827000-27-1
2,4-Dichloro-N-[2-(3,4-dimethylphenyl)-2-oxoethyl]-N-(2,5-dioxopyrrolidin-1-yl)benzamide
CAS 827000-27-1C21H18Cl2N2O4
1,2-Bis(4-chlorobenzoyl)-4,4-diethylpyrazolidine-3,5-dione chemical structure, C21H18Cl2N2O4, CAS 62188-94-7
1,2-Bis(4-chlorobenzoyl)-4,4-diethylpyrazolidine-3,5-dione
CAS 62188-94-7C21H18Cl2N2O4
Methyl 6-chloro-8-((2-(2-chlorophenyl)acetamido)methyl)-2-methoxyquinoline-3-carboxylate chemical structure, C21H18Cl2N2O4, CAS 1415595-06-0
Methyl 6-chloro-8-((2-(2-chlorophenyl)acetamido)methyl)-2-methoxyquinoline-3-carboxylate
CAS 1415595-06-0C21H18Cl2N2O4
1-Cyclohexyl-5-[[5-(2,4-dichlorophenyl)-2-furanyl]methylene]-2,4,6(1H,3H,5H)-pyrimidinetrione chemical structure, C21H18Cl2N2O4, CAS 640264-46-6
1-Cyclohexyl-5-[[5-(2,4-dichlorophenyl)-2-furanyl]methylene]-2,4,6(1H,3H,5H)-pyrimidinetrione
CAS 640264-46-6C21H18Cl2N2O4

Frequently asked questions

What is the molar mass of C21H18Cl2N2O4?

The molar mass of C21H18Cl2N2O4 is 433.28 g/mol, calculated from standard atomic weights for 21 carbon atoms, 18 hydrogen atoms, 2 chlorine atoms, 2 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 432.0644 Da.

How many compounds have the formula C21H18Cl2N2O4?

CompoundList lists 18 compounds with the molecular formula C21H18Cl2N2O4, including 1-(3,4-Dichlorophenyl)-3-(4-methoxyphenyl)-4-morpholino-1H-pyrrole-2,5-dione, cis-2-(2,4-Dichlorophenyl)-2-(1H-imidazol-1-ylmethyl)-1,3-dioxolane-4-ylmethyl benzoate, N-[6-Chloro-3-(4-chlorophenyl)-4-oxo-4H-chromen-2-yl]-2-(morpholin-4-yl)acetamide. 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 C21H18Cl2N2O4?

C21H18Cl2N2O4 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.