Molecular formula

C₂₁H₁₆ClNO₄

25 compounds have this formula on CompoundList.

Molar mass: 381.81g/mol
Monoisotopic mass: 381.0768Da
Atoms: 43
Elements: 5
Rings plus double bonds: 14

The formula C21H16ClNO4 describes a molecule made of 21 carbon atoms, 16 hydrogen atoms, 1 chlorine atom, 1 nitrogen atom 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 × 2166.06%
12.011 × 21 = 252.231 g/mol
H Hydrogen × 164.22%
1.008 × 16 = 16.128 g/mol
Cl Chlorine × 19.28%
35.45 × 1 = 35.450 g/mol
N Nitrogen × 13.67%
14.007 × 1 = 14.007 g/mol
O Oxygen × 416.76%
15.999 × 4 = 63.996 g/mol

Look up another formula

Compounds with the formula C21H16ClNO4

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

Showing 1 to 25 of 25 compounds

1-(2-Chlorobenzyl)-3-[2-(2-furyl)-2-oxoethyl]-3-hydroxy-1,3-dihydro-2H-indol-2-one

CAS 355428-90-9C₂₁H₁₆ClNO₄

2-(4-Chlorophenoxy)-N-(2-methoxydibenzofuran-3-yl)acetamide

CAS 330459-51-3C₂₁H₁₆ClNO₄

1-(4-Chlorobenzyl)-3-[2-(furan-2-yl)-2-oxoethyl]-3-hydroxy-1,3-dihydro-2H-indol-2-one

CAS 1147208-40-9C₂₁H₁₆ClNO₄

N-[2-(6-Chloro-2-oxo-2H-chromen-4-yl)-1-benzofuran-3-yl]-2-methylpropanamide

CAS 903197-18-2C₂₁H₁₆ClNO₄

N-[2-(6-Chloro-7-methyl-2-oxo-2H-chromen-4-yl)-1-benzofuran-3-yl]propanamide

CAS 929450-72-6C₂₁H₁₆ClNO₄

N-[4-(4-Chlorophenoxy)phenyl]-2,3-dihydro-1,4-benzodioxine-6-carboxamide

CAS 347339-15-5C₂₁H₁₆ClNO₄

4,4,6-Trimethyl-1,2-dioxo-1,2-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-8-yl 2-chlorobenzoate

CAS 524056-06-2C₂₁H₁₆ClNO₄

Benzamide, 2-(acetyloxy)-5-chloro-N-(2-phenoxyphenyl)-

CAS 76681-27-1C₂₁H₁₆ClNO₄

3-(4-Cbz-Aminopheny)-5-chlorobenzoic acid

CAS 1261934-20-6C₂₁H₁₆ClNO₄

Benzamide, N-((4-chlorobenzoyl)oxy)-N-(phenylmethoxy)-

CAS 220168-45-6C₂₁H₁₆ClNO₄

4,4,6-Trimethyl-1,2-dioxo-1,2-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-8-yl 3-chlorobenzoate

CAS 524056-05-1C₂₁H₁₆ClNO₄

5-(4-Cbz-Aminopheny)-2-chlorobenzoic acid

CAS 1261894-77-2C₂₁H₁₆ClNO₄

2-(4-Cbz-Aminopheny)-4-chlorobenzoic acid

CAS 1261942-18-0C₂₁H₁₆ClNO₄

2-Chloro-6-[4-(phenylmethoxycarbonylamino)phenyl]benzoic acid

CAS 1261982-23-3C₂₁H₁₆ClNO₄

4-Chloro-3-[4-(phenylmethoxycarbonylamino)phenyl]benzoic acid

CAS 1261982-28-8C₂₁H₁₆ClNO₄

5-Chloro-2-methoxy-N-(2-methoxydibenzofuran-3-yl)benzamide

CAS 694508-64-0C₂₁H₁₆ClNO₄

Dibenzyl 3-chloropyridine-2,5-dicarboxylate

CAS 170622-28-3C₂₁H₁₆ClNO₄

N-[4-(2-Chlorophenoxy)phenyl]-2-(4-formylphenoxy)acetamide

CAS 1031197-51-9C₂₁H₁₆ClNO₄

N-[4-(2-Chlorophenoxy)phenyl]-2-(2-formylphenoxy)acetamide

CAS 1030177-28-6C₂₁H₁₆ClNO₄

4-(4-Cbz-Aminopheny)-2-chlorobenzoic acid

CAS 1261941-95-0C₂₁H₁₆ClNO₄

2-[(2-Chlorophenyl)amino]-2-oxoethyl 4-phenoxybenzoate

CAS 387860-50-6C₂₁H₁₆ClNO₄

3-(4-Anilino-2-chlorobenzoyl)-4-methoxybenzoic acid

CAS 835625-67-7C₂₁H₁₆ClNO₄

4-({3-[5-(3-Chloro-4-methylphenyl)furan-2-yl]prop-2-enoyl}amino)benzoic acid

CAS 1030497-06-3C₂₁H₁₆ClNO₄

rac-1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl (1R,4R,5R)-1-(4-chlorophenyl)bicyclo[2.1.1]hexane-5-carboxylate

CAS 2248309-15-9C₂₁H₁₆ClNO₄

4-{[(Benzyloxy)carbonyl]amino}-4'-chloro-[1,1'-biphenyl]-3-carboxylic acid
2639457-35-3C₂₁H₁₆ClNO₄

Frequently asked questions

Still have a question?

The help centre explains buying, quotes and supplier badges step by step, or you can write to our team.

Help centre Contact us

What is the molar mass of C21H16ClNO4?

The molar mass of C21H16ClNO4 is 381.81 g/mol, calculated from standard atomic weights for 21 carbon atoms, 16 hydrogen atoms, 1 chlorine atom, 1 nitrogen atom and 4 oxygen atoms. The monoisotopic mass is 381.0768 Da.

How many compounds have the formula C21H16ClNO4?

CompoundList lists 25 compounds with the molecular formula C21H16ClNO4, including 1-(2-Chlorobenzyl)-3-[2-(2-furyl)-2-oxoethyl]-3-hydroxy-1,3-dihydro-2H-indol-2-one, 2-(4-Chlorophenoxy)-N-(2-methoxydibenzofuran-3-yl)acetamide, 1-(4-Chlorobenzyl)-3-[2-(furan-2-yl)-2-oxoethyl]-3-hydroxy-1,3-dihydro-2H-indol-2-one. 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 C21H16ClNO4?

C21H16ClNO4 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.