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Molecular formula

C21H18Cl2N4O3

14 compounds have this formula on CompoundList.

Molar mass
445.30g/mol
Monoisotopic mass
444.0756Da
Atoms
48
Elements
5
Rings plus double bonds
14

The formula C21H18Cl2N4O3 describes a molecule made of 21 carbon atoms, 18 hydrogen atoms, 2 chlorine atoms, 4 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 × 2156.64%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 184.07%
    1.008 × 18 = 18.144 g/mol
  • Cl Chlorine × 215.92%
    35.45 × 2 = 70.900 g/mol
  • N Nitrogen × 412.58%
    14.007 × 4 = 56.028 g/mol
  • O Oxygen × 310.78%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C21H18Cl2N4O3

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

Showing 1 to 14 of 14 compounds

4-(2,4-Dichlorobenzoyl)-1-methyl-N'-(2-phenoxyethanimidoyl)-1H-pyrrole-2-carbohydrazide chemical structure, C21H18Cl2N4O3, CAS 338418-58-9
4-(2,4-Dichlorobenzoyl)-1-methyl-N'-(2-phenoxyethanimidoyl)-1H-pyrrole-2-carbohydrazide
CAS 338418-58-9C21H18Cl2N4O3
N-(2,4-Dichlorophenyl)-5-(4-methoxybenzyl)-4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-3-carboxamide chemical structure, C21H18Cl2N4O3, CAS 303986-77-8
N-(2,4-Dichlorophenyl)-5-(4-methoxybenzyl)-4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-3-carboxamide
CAS 303986-77-8C21H18Cl2N4O3
N-(3,4-Dichlorophenyl)-2-(1-(4-methylbenzyl)-6-oxo-1,6-dihydropyridine-3-carbonyl)hydrazinecarboxamide chemical structure, C21H18Cl2N4O3, CAS 1105207-00-8
N-(3,4-Dichlorophenyl)-2-(1-(4-methylbenzyl)-6-oxo-1,6-dihydropyridine-3-carbonyl)hydrazinecarboxamide
CAS 1105207-00-8C21H18Cl2N4O3
Alicep chemical structure, C21H18Cl2N4O3, CAS 8065-18-7
Alicep
CAS 8065-18-7C21H18Cl2N4O3
N-(4-(4-(2,3-Dichlorophenyl)piperazine-1-carbonyl)oxazol-2-yl)benzamide chemical structure, C21H18Cl2N4O3, CAS 1286732-25-9
N-(4-(4-(2,3-Dichlorophenyl)piperazine-1-carbonyl)oxazol-2-yl)benzamide
CAS 1286732-25-9C21H18Cl2N4O3
Methyl 2-chloro-5-({[4-(4-chlorophenyl)-1,4,6,7-tetrahydro-5H-imidazo[4,5-c]pyridin-5-yl]carbonyl}amino)benzoate chemical structure, C21H18Cl2N4O3, CAS 1219582-77-0
Methyl 2-chloro-5-({[4-(4-chlorophenyl)-1,4,6,7-tetrahydro-5H-imidazo[4,5-c]pyridin-5-yl]carbonyl}amino)benzoate
CAS 1219582-77-0C21H18Cl2N4O3
1-Methoxypropan-2-yl 2-amino-1-(3,5-dichlorophenyl)pyrrolo[3,2-b]quinoxaline-3-carboxylate chemical structure, C21H18Cl2N4O3, CAS 488803-06-1
1-Methoxypropan-2-yl 2-amino-1-(3,5-dichlorophenyl)pyrrolo[3,2-b]quinoxaline-3-carboxylate
CAS 488803-06-1C21H18Cl2N4O3
N-(3-Chloro-4-methoxyphenyl)-2-(6-(4-chlorophenyl)-7-methyl-2-oxo-2,3-dihydro-1H-imidazo[1,2-b]pyrazol-3-yl)acetamide chemical structure, C21H18Cl2N4O3, CAS 1421513-24-7
N-(3-Chloro-4-methoxyphenyl)-2-(6-(4-chlorophenyl)-7-methyl-2-oxo-2,3-dihydro-1H-imidazo[1,2-b]pyrazol-3-yl)acetamide
CAS 1421513-24-7C21H18Cl2N4O3
8-[(2-Chlorophenyl)methoxy]-1-[(4-chlorophenyl)methyl]-3,7-dimethylpurine-2,6-dione chemical structure, C21H18Cl2N4O3, CAS 700852-59-1
8-[(2-Chlorophenyl)methoxy]-1-[(4-chlorophenyl)methyl]-3,7-dimethylpurine-2,6-dione
CAS 700852-59-1C21H18Cl2N4O3
Methyl 2-({[4-(2,4-dichlorophenyl)-1,4,6,7-tetrahydro-5H-imidazo[4,5-c]pyridin-5-yl]carbonyl}amino)benzoate chemical structure, C21H18Cl2N4O3, CAS 1081116-67-7
Methyl 2-({[4-(2,4-dichlorophenyl)-1,4,6,7-tetrahydro-5H-imidazo[4,5-c]pyridin-5-yl]carbonyl}amino)benzoate
CAS 1081116-67-7C21H18Cl2N4O3
Methyl 4-({[4-(2,4-dichlorophenyl)-3,4,6,7-tetrahydro-5H-imidazo[4,5-c]pyridin-5-yl]carbonyl}amino)benzoate chemical structure, C21H18Cl2N4O3, CAS 1040705-19-8
Methyl 4-({[4-(2,4-dichlorophenyl)-3,4,6,7-tetrahydro-5H-imidazo[4,5-c]pyridin-5-yl]carbonyl}amino)benzoate
CAS 1040705-19-8C21H18Cl2N4O3
Methyl 2-({[4-(2,3-dichlorophenyl)-3,4,6,7-tetrahydro-5H-imidazo[4,5-c]pyridin-5-yl]carbonyl}amino)benzoate chemical structure, C21H18Cl2N4O3, CAS 1040710-89-1
Methyl 2-({[4-(2,3-dichlorophenyl)-3,4,6,7-tetrahydro-5H-imidazo[4,5-c]pyridin-5-yl]carbonyl}amino)benzoate
CAS 1040710-89-1C21H18Cl2N4O3
Methyl 3-({[4-(2,4-dichlorophenyl)-3,4,6,7-tetrahydro-5H-imidazo[4,5-c]pyridin-5-yl]carbonyl}amino)benzoate chemical structure, C21H18Cl2N4O3, CAS 1040700-63-7
Methyl 3-({[4-(2,4-dichlorophenyl)-3,4,6,7-tetrahydro-5H-imidazo[4,5-c]pyridin-5-yl]carbonyl}amino)benzoate
CAS 1040700-63-7C21H18Cl2N4O3
Methyl 4-({[4-(2,3-dichlorophenyl)-3,4,6,7-tetrahydro-5H-imidazo[4,5-c]pyridin-5-yl]carbonyl}amino)benzoate chemical structure, C21H18Cl2N4O3, CAS 1040700-11-5
Methyl 4-({[4-(2,3-dichlorophenyl)-3,4,6,7-tetrahydro-5H-imidazo[4,5-c]pyridin-5-yl]carbonyl}amino)benzoate
CAS 1040700-11-5C21H18Cl2N4O3

Frequently asked questions

What is the molar mass of C21H18Cl2N4O3?

The molar mass of C21H18Cl2N4O3 is 445.30 g/mol, calculated from standard atomic weights for 21 carbon atoms, 18 hydrogen atoms, 2 chlorine atoms, 4 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 444.0756 Da.

How many compounds have the formula C21H18Cl2N4O3?

CompoundList lists 14 compounds with the molecular formula C21H18Cl2N4O3, including 4-(2,4-Dichlorobenzoyl)-1-methyl-N'-(2-phenoxyethanimidoyl)-1H-pyrrole-2-carbohydrazide, N-(2,4-Dichlorophenyl)-5-(4-methoxybenzyl)-4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-3-carboxamide, N-(3,4-Dichlorophenyl)-2-(1-(4-methylbenzyl)-6-oxo-1,6-dihydropyridine-3-carbonyl)hydrazinecarboxamide. 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 C21H18Cl2N4O3?

C21H18Cl2N4O3 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.