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Molecular formula

C21H16Cl2N2O3

25 compounds have this formula on CompoundList.

Molar mass
415.27g/mol
Monoisotopic mass
414.0538Da
Atoms
44
Elements
5
Rings plus double bonds
14

The formula C21H16Cl2N2O3 describes a molecule made of 21 carbon atoms, 16 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 × 2160.74%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 163.88%
    1.008 × 16 = 16.128 g/mol
  • Cl Chlorine × 217.07%
    35.45 × 2 = 70.900 g/mol
  • N Nitrogen × 26.75%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 311.56%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C21H16Cl2N2O3

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

Showing 1 to 25 of 25 compounds

2-(2,3-Dichlorophenoxy)-N'-(3-phenoxybenzylidene)acetohydrazide chemical structure, C21H16Cl2N2O3, CAS 477731-43-4
2-(2,3-Dichlorophenoxy)-N'-(3-phenoxybenzylidene)acetohydrazide
CAS 477731-43-4C21H16Cl2N2O3
[(Diphenylmethyl)carbamoyl]methyl 2,6-dichloropyridine-4-carboxylate chemical structure, C21H16Cl2N2O3, CAS 521278-40-0
[(Diphenylmethyl)carbamoyl]methyl 2,6-dichloropyridine-4-carboxylate
CAS 521278-40-0C21H16Cl2N2O3
TCMDC-138029 chemical structure, C21H16Cl2N2O3, CAS 6279-69-2
TCMDC-138029
CAS 6279-69-2C21H16Cl2N2O3
Antifungal agent 73 chemical structure, C21H16Cl2N2O3, CAS 2923519-78-0
Antifungal agent 73
CAS 2923519-78-0C21H16Cl2N2O3
2-{[(2,4-Dichlorophenoxy)acetyl]amino}-N-phenylbenzamide chemical structure, C21H16Cl2N2O3, CAS 316153-97-6
2-{[(2,4-Dichlorophenoxy)acetyl]amino}-N-phenylbenzamide
CAS 316153-97-6C21H16Cl2N2O3
4-Chloro-2-(4-chlorobenzoyl)-1-(4-methoxyphenyl)hydrazide Benzoic Acid chemical structure, C21H16Cl2N2O3, CAS 402849-27-8
4-Chloro-2-(4-chlorobenzoyl)-1-(4-methoxyphenyl)hydrazide Benzoic Acid
CAS 402849-27-8C21H16Cl2N2O3
Ethyl 6-amino-5-cyano-4-(2,4-dichlorophenyl)-2-phenyl-4H-pyran-3-carboxylate chemical structure, C21H16Cl2N2O3, CAS 332052-26-3
Ethyl 6-amino-5-cyano-4-(2,4-dichlorophenyl)-2-phenyl-4H-pyran-3-carboxylate
CAS 332052-26-3C21H16Cl2N2O3
2-(2,4-Dichlorophenoxy)-N-(1-ethyl-2-oxo-1,2-dihydrobenzo[cd]indol-6-yl)acetamide chemical structure, C21H16Cl2N2O3, CAS 393837-37-1
2-(2,4-Dichlorophenoxy)-N-(1-ethyl-2-oxo-1,2-dihydrobenzo[cd]indol-6-yl)acetamide
CAS 393837-37-1C21H16Cl2N2O3
N-(3-Acetylphenyl)-1-(2,4-dichlorobenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide chemical structure, C21H16Cl2N2O3, CAS 941910-68-5
N-(3-Acetylphenyl)-1-(2,4-dichlorobenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide
CAS 941910-68-5C21H16Cl2N2O3
3-Chloro-N-[4-[[2-(2-chlorophenoxy)acetyl]amino]phenyl]benzamide chemical structure, C21H16Cl2N2O3, CAS 352689-80-6
3-Chloro-N-[4-[[2-(2-chlorophenoxy)acetyl]amino]phenyl]benzamide
CAS 352689-80-6C21H16Cl2N2O3
2-({4-[(2,4-Dichlorophenoxy)methyl]benzoyl}amino)benzamide chemical structure, C21H16Cl2N2O3, CAS 495375-46-7
2-({4-[(2,4-Dichlorophenoxy)methyl]benzoyl}amino)benzamide
CAS 495375-46-7C21H16Cl2N2O3
2,4-Dichloro-N-[2-[(4-methoxyphenyl)carbamoyl]phenyl]benzamide chemical structure, C21H16Cl2N2O3, CAS 824417-59-6
2,4-Dichloro-N-[2-[(4-methoxyphenyl)carbamoyl]phenyl]benzamide
CAS 824417-59-6C21H16Cl2N2O3
N-(3-Benzamidophenyl)-3,5-dichloro-4-methoxybenzamide chemical structure, C21H16Cl2N2O3, CAS 428445-05-0
N-(3-Benzamidophenyl)-3,5-dichloro-4-methoxybenzamide
CAS 428445-05-0C21H16Cl2N2O3
4-(1-(2,6-Dichlorobenzoyl)-4,5,6,7-tetrahydro-1H-indazol-3-yl)benzoic acid chemical structure, C21H16Cl2N2O3, CAS 1809411-12-8
4-(1-(2,6-Dichlorobenzoyl)-4,5,6,7-tetrahydro-1H-indazol-3-yl)benzoic acid
CAS 1809411-12-8C21H16Cl2N2O3
2-Chloro-3-[4-(3-chlorobenzoyl)piperazin-1-yl]naphthalene-1,4-dione chemical structure, C21H16Cl2N2O3, CAS 524033-90-7
2-Chloro-3-[4-(3-chlorobenzoyl)piperazin-1-yl]naphthalene-1,4-dione
CAS 524033-90-7C21H16Cl2N2O3
1H-Cyclopenta[b]quinoline-9-carboxylic acid, 2,3-dihydro-, 2-[(2,3-dichlorophenyl)amino]-2-oxoethyl ester chemical structure, C21H16Cl2N2O3, CAS 502435-22-5
1H-Cyclopenta[b]quinoline-9-carboxylic acid, 2,3-dihydro-, 2-[(2,3-dichlorophenyl)amino]-2-oxoethyl ester
CAS 502435-22-5C21H16Cl2N2O3
[(3-Chloro-4-methylphenyl)carbamoyl](phenyl)methyl 2-chloropyridine-3-carboxylate chemical structure, C21H16Cl2N2O3, CAS 848227-85-0
[(3-Chloro-4-methylphenyl)carbamoyl](phenyl)methyl 2-chloropyridine-3-carboxylate
CAS 848227-85-0C21H16Cl2N2O3
2,5-Dichloro-N-[1-(furan-2-carbonyl)-1,2,3,4-tetrahydroquinolin-6-yl]benzamide chemical structure, C21H16Cl2N2O3, CAS 941986-40-9
2,5-Dichloro-N-[1-(furan-2-carbonyl)-1,2,3,4-tetrahydroquinolin-6-yl]benzamide
CAS 941986-40-9C21H16Cl2N2O3
N-(4-Acetylphenyl)-1-(2,4-dichlorobenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide chemical structure, C21H16Cl2N2O3, CAS 941953-46-4
N-(4-Acetylphenyl)-1-(2,4-dichlorobenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide
CAS 941953-46-4C21H16Cl2N2O3
Methyl 4-(7-chloro-2-oxo-2,3-dihydro-1H-indol-3-yl)-5-(2-chlorophenyl)-2-methyl-1H-pyrrole-3-carboxylate chemical structure, C21H16Cl2N2O3, CAS 1144440-94-7
Methyl 4-(7-chloro-2-oxo-2,3-dihydro-1H-indol-3-yl)-5-(2-chlorophenyl)-2-methyl-1H-pyrrole-3-carboxylate
CAS 1144440-94-7C21H16Cl2N2O3
Methyl 5-(2,4-dichlorophenyl)-2-methyl-4-(2-oxo-2,3-dihydro-1H-indol-3-yl)-1H-pyrrole-3-carboxylate chemical structure, C21H16Cl2N2O3, CAS 1190293-31-2
Methyl 5-(2,4-dichlorophenyl)-2-methyl-4-(2-oxo-2,3-dihydro-1H-indol-3-yl)-1H-pyrrole-3-carboxylate
CAS 1190293-31-2C21H16Cl2N2O3
2,4-Dichloro-N'-[2-(4-phenylphenoxy)acetyl]benzohydrazide chemical structure, C21H16Cl2N2O3, CAS 651019-50-0
2,4-Dichloro-N'-[2-(4-phenylphenoxy)acetyl]benzohydrazide
CAS 651019-50-0C21H16Cl2N2O3
[(Diphenylmethyl)carbamoyl]methyl 3,6-dichloropyridine-2-carboxylate chemical structure, C21H16Cl2N2O3, CAS 849036-48-2
[(Diphenylmethyl)carbamoyl]methyl 3,6-dichloropyridine-2-carboxylate
CAS 849036-48-2C21H16Cl2N2O3
2,4-Dichloro-N-{3-[(4-methoxyanilino)carbonyl]phenyl}benzamide chemical structure, C21H16Cl2N2O3, CAS 791800-28-7
2,4-Dichloro-N-{3-[(4-methoxyanilino)carbonyl]phenyl}benzamide
CAS 791800-28-7C21H16Cl2N2O3

Frequently asked questions

What is the molar mass of C21H16Cl2N2O3?

The molar mass of C21H16Cl2N2O3 is 415.27 g/mol, calculated from standard atomic weights for 21 carbon atoms, 16 hydrogen atoms, 2 chlorine atoms, 2 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 414.0538 Da.

How many compounds have the formula C21H16Cl2N2O3?

CompoundList lists 25 compounds with the molecular formula C21H16Cl2N2O3, including 2-(2,3-Dichlorophenoxy)-N'-(3-phenoxybenzylidene)acetohydrazide, [(Diphenylmethyl)carbamoyl]methyl 2,6-dichloropyridine-4-carboxylate, TCMDC-138029. 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 C21H16Cl2N2O3?

C21H16Cl2N2O3 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.