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Molecular formula

C21H16ClNO3

44 compounds have this formula on CompoundList.

Molar mass
365.81g/mol
Monoisotopic mass
365.0819Da
Atoms
42
Elements
5
Rings plus double bonds
14

The formula C21H16ClNO3 describes a molecule made of 21 carbon atoms, 16 hydrogen atoms, 1 chlorine atom, 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 × 2168.95%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 164.41%
    1.008 × 16 = 16.128 g/mol
  • Cl Chlorine × 19.69%
    35.45 × 1 = 35.450 g/mol
  • N Nitrogen × 13.83%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 313.12%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C21H16ClNO3

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

Showing 1 to 44 of 44 compounds

4-(4-Chlorobenzoyl)phenyl methyl(phenyl)carbamate chemical structure, C21H16ClNO3, CAS 501104-72-9
4-(4-Chlorobenzoyl)phenyl methyl(phenyl)carbamate
CAS 501104-72-9C21H16ClNO3
N-(2-Benzoyl-4-chlorophenyl)-2-phenoxyacetamide chemical structure, C21H16ClNO3, CAS 289059-88-7
N-(2-Benzoyl-4-chlorophenyl)-2-phenoxyacetamide
CAS 289059-88-7C21H16ClNO3
N-(2-Benzoylphenyl)-2-(4-chlorophenoxy)acetamide chemical structure, C21H16ClNO3, CAS 618070-12-5
N-(2-Benzoylphenyl)-2-(4-chlorophenoxy)acetamide
CAS 618070-12-5C21H16ClNO3
6-Chloro-3,3-bis(4-hydroxyphenyl)-7-methyl-1H-indol-2-one chemical structure, C21H16ClNO3, CAS 352691-99-7
6-Chloro-3,3-bis(4-hydroxyphenyl)-7-methyl-1H-indol-2-one
CAS 352691-99-7C21H16ClNO3
2-Chloro-N-(2-methoxydibenzofuran-3-yl)-4-methylbenzamide chemical structure, C21H16ClNO3, CAS 430454-42-5
2-Chloro-N-(2-methoxydibenzofuran-3-yl)-4-methylbenzamide
CAS 430454-42-5C21H16ClNO3
N-(2-Benzoyl-4-chlorophenyl)-3-methoxybenzamide chemical structure, C21H16ClNO3, CAS 349110-61-8
N-(2-Benzoyl-4-chlorophenyl)-3-methoxybenzamide
CAS 349110-61-8C21H16ClNO3
N-(5-Chloro-2-methoxyphenyl)-9H-xanthene-9-carboxamide chemical structure, C21H16ClNO3, CAS 221148-71-6
N-(5-Chloro-2-methoxyphenyl)-9H-xanthene-9-carboxamide
CAS 221148-71-6C21H16ClNO3
2-(4-Chlorophenyl)-N-(2-methoxydibenzofuran-3-yl)acetamide chemical structure, C21H16ClNO3, CAS 351337-05-8
2-(4-Chlorophenyl)-N-(2-methoxydibenzofuran-3-yl)acetamide
CAS 351337-05-8C21H16ClNO3
Methyl 4-(2-chlorophenyl)-2-methyl-5-oxo-4,5-dihydro-1H-indeno[1,2-b]pyridine-3-carboxylate chemical structure, C21H16ClNO3, CAS 128691-50-9
Methyl 4-(2-chlorophenyl)-2-methyl-5-oxo-4,5-dihydro-1H-indeno[1,2-b]pyridine-3-carboxylate
CAS 128691-50-9C21H16ClNO3
5-Chloro-2-[(diphenylacetyl)amino]benzoic acid chemical structure, C21H16ClNO3, CAS 355403-12-2
5-Chloro-2-[(diphenylacetyl)amino]benzoic acid
CAS 355403-12-2C21H16ClNO3
2-(3-Chloro-4-phenoxyphenyl)-3a,4,7,7a-tetrahydro-1H-4,7-methanoisoindole-1,3(2H)-dione chemical structure, C21H16ClNO3, CAS 438470-14-5
2-(3-Chloro-4-phenoxyphenyl)-3a,4,7,7a-tetrahydro-1H-4,7-methanoisoindole-1,3(2H)-dione
CAS 438470-14-5C21H16ClNO3
N-(5-Chloro-2-methoxyphenyl)-2-naphtho[2,1-b]furan-1-ylacetamide chemical structure, C21H16ClNO3, CAS 622351-36-4
N-(5-Chloro-2-methoxyphenyl)-2-naphtho[2,1-b]furan-1-ylacetamide
CAS 622351-36-4C21H16ClNO3
N-{4-[(2E)-3-[5-(3-Chlorophenyl)furan-2-yl]prop-2-enoyl]phenyl}acetamide chemical structure, C21H16ClNO3, CAS 627071-22-1
N-{4-[(2E)-3-[5-(3-Chlorophenyl)furan-2-yl]prop-2-enoyl]phenyl}acetamide
CAS 627071-22-1C21H16ClNO3
4-Chloro-N-(3-phenacyloxyphenyl)benzamide chemical structure, C21H16ClNO3, CAS 695174-31-3
4-Chloro-N-(3-phenacyloxyphenyl)benzamide
CAS 695174-31-3C21H16ClNO3
3a,11c-Dihydro-3H-benzo[5,6]chromeno[4,3-c]isoxazol-1(4H)-yl(4-chlorophenyl)methanone chemical structure, C21H16ClNO3, CAS 477853-75-1
3a,11c-Dihydro-3H-benzo[5,6]chromeno[4,3-c]isoxazol-1(4H)-yl(4-chlorophenyl)methanone
CAS 477853-75-1C21H16ClNO3
4-[(E)-2-(Pyridin-2-yl)ethenyl]phenyl 2-(4-chlorophenoxy)acetate chemical structure, C21H16ClNO3, CAS 1007678-95-6
4-[(E)-2-(Pyridin-2-yl)ethenyl]phenyl 2-(4-chlorophenoxy)acetate
CAS 1007678-95-6C21H16ClNO3
4-Chlorobenzyl 2-(benzoylamino)benzoate chemical structure, C21H16ClNO3, CAS 524044-32-4
4-Chlorobenzyl 2-(benzoylamino)benzoate
CAS 524044-32-4C21H16ClNO3
(E)-{[4-(Benzyloxy)phenyl]methylidene}amino 4-chlorobenzoate chemical structure, C21H16ClNO3, CAS 478046-74-1
(E)-{[4-(Benzyloxy)phenyl]methylidene}amino 4-chlorobenzoate
CAS 478046-74-1C21H16ClNO3
4-[([1,1'-Biphenyl]-2-carbonyl)amino]-3-methoxybenzoyl chloride chemical structure, C21H16ClNO3, CAS 180340-03-8
4-[([1,1'-Biphenyl]-2-carbonyl)amino]-3-methoxybenzoyl chloride
CAS 180340-03-8C21H16ClNO3
N-(2-Benzoyl-4-chlorophenyl)-2-methoxybenzamide chemical structure, C21H16ClNO3, CAS 433695-90-0
N-(2-Benzoyl-4-chlorophenyl)-2-methoxybenzamide
CAS 433695-90-0C21H16ClNO3
Picolinic acid, 5-(o-chlorophenoxy)-, 5-indanyl ester chemical structure, C21H16ClNO3, CAS 72133-52-9
Picolinic acid, 5-(o-chlorophenoxy)-, 5-indanyl ester
CAS 72133-52-9C21H16ClNO3
Picolinic acid, 5-(p-chlorophenoxy)-, 5-indanyl ester chemical structure, C21H16ClNO3, CAS 72133-67-6
Picolinic acid, 5-(p-chlorophenoxy)-, 5-indanyl ester
CAS 72133-67-6C21H16ClNO3
N-(2-Benzoyl-4-chlorophenyl)-4-methoxybenzamide chemical structure, C21H16ClNO3, CAS 169263-14-3
N-(2-Benzoyl-4-chlorophenyl)-4-methoxybenzamide
CAS 169263-14-3C21H16ClNO3
(Z)-1-Benzyl-4-((6-hydroxy-3-oxobenzofuran-2(3H)-ylidene)methyl)pyridin-1-ium chloride chemical structure, C21H16ClNO3, CAS 1103940-49-3
(Z)-1-Benzyl-4-((6-hydroxy-3-oxobenzofuran-2(3H)-ylidene)methyl)pyridin-1-ium chloride
CAS 1103940-49-3C21H16ClNO3

Frequently asked questions

What is the molar mass of C21H16ClNO3?

The molar mass of C21H16ClNO3 is 365.81 g/mol, calculated from standard atomic weights for 21 carbon atoms, 16 hydrogen atoms, 1 chlorine atom, 1 nitrogen atom and 3 oxygen atoms. The monoisotopic mass is 365.0819 Da.

How many compounds have the formula C21H16ClNO3?

CompoundList lists 44 compounds with the molecular formula C21H16ClNO3, including 4-(4-Chlorobenzoyl)phenyl methyl(phenyl)carbamate, N-(2-Benzoyl-4-chlorophenyl)-2-phenoxyacetamide, N-(2-Benzoylphenyl)-2-(4-chlorophenoxy)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 C21H16ClNO3?

C21H16ClNO3 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.