Molecular formula

C₂₁H₁₄ClNO₃

20 compounds have this formula on CompoundList.

Molar mass: 363.80g/mol
Monoisotopic mass: 363.0662Da
Atoms: 40
Elements: 5
Rings plus double bonds: 15

The formula C21H14ClNO3 describes a molecule made of 21 carbon atoms, 14 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 × 2169.33%
12.011 × 21 = 252.231 g/mol
H Hydrogen × 143.88%
1.008 × 14 = 14.112 g/mol
Cl Chlorine × 19.74%
35.45 × 1 = 35.450 g/mol
N Nitrogen × 13.85%
14.007 × 1 = 14.007 g/mol
O Oxygen × 313.19%
15.999 × 3 = 47.997 g/mol

Look up another formula

Compounds with the formula C21H14ClNO3

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

Showing 1 to 20 of 20 compounds

7-Chloro-4-hydroxy-3-(3-phenoxyphenyl)-2(1H)-quinolinone

CAS 142326-59-8C₂₁H₁₄ClNO₃

7-Chloro-4-hydroxy-3-(4-phenoxyphenyl)-2(1H)-quinolinone

CAS 142326-60-1C₂₁H₁₄ClNO₃

(E)-2-(3-(4-Chlorophenyl)-3-oxoprop-1-en-1-yl)phenyl nicotinate

CAS 326882-97-7C₂₁H₁₄ClNO₃

(Z)-6-((2-Chlorobenzyl)oxy)-2-(pyridin-3-ylmethylene)benzofuran-3(2H)-one

CAS 620549-37-3C₂₁H₁₄ClNO₃

(Z)-6-((2-Chlorobenzyl)oxy)-2-(pyridin-4-ylmethylene)benzofuran-3(2H)-one

CAS 620549-47-5C₂₁H₁₄ClNO₃

(Z)-6-((3-Chlorobenzyl)oxy)-2-(pyridin-3-ylmethylene)benzofuran-3(2H)-one

CAS 620549-61-3C₂₁H₁₄ClNO₃

(Z)-6-((4-Chlorobenzyl)oxy)-2-(pyridin-4-ylmethylene)benzofuran-3(2H)-one

CAS 620549-95-3C₂₁H₁₄ClNO₃

6-(5-Chloro-2-methoxyphenyl)benzo[d][2]benzazepine-5,7-dione

CAS 533868-23-4C₂₁H₁₄ClNO₃

3-(4-Chlorobenzyl)-1,2-benzoxazol-6-yl benzoate

CAS 1007684-25-4C₂₁H₁₄ClNO₃

(E)-4-(3-(4-Chlorophenyl)-3-oxoprop-1-en-1-yl)phenyl picolinate

CAS 326882-96-6C₂₁H₁₄ClNO₃

3-Benzyl-1,2-benzoxazol-6-yl 2-chlorobenzoate

CAS 1049503-13-0C₂₁H₁₄ClNO₃

2-Methyl-8-quinolinyl 5-(3-chlorophenyl)-2-furoate

CAS 353489-73-3C₂₁H₁₄ClNO₃

2-[3-Chloro-4-(4-methylphenoxy)phenyl]isoindole-1,3-dione

CAS 356090-58-9C₂₁H₁₄ClNO₃

2-[5-(2-Chlorophenyl)furan-2-yl]-6-methylquinoline-4-carboxylic acid

CAS 634177-81-4C₂₁H₁₄ClNO₃

2-[5-(3-Chlorophenyl)furan-2-yl]-6-methylquinoline-4-carboxylic acid

CAS 634177-82-5C₂₁H₁₄ClNO₃

(2Z)-6-[(4-Chlorobenzyl)oxy]-2-(pyridin-3-ylmethylidene)-1-benzofuran-3(2H)-one

CAS 620549-85-1C₂₁H₁₄ClNO₃

2-(9H-Fluoren-3-yl)-2-oxoethyl 2-chloropyridine-3-carboxylate

CAS 926465-17-0C₂₁H₁₄ClNO₃

6-[(2-Chlorophenyl)methoxy]-2-(pyridin-3-ylmethylidene)-1-benzofuran-3-one

CAS 5280-95-5C₂₁H₁₄ClNO₃

7-Chloro-4-hydroxy-3-(2-phenoxyphenyl)-2(1H)-quinolone

CAS 142326-54-3C₂₁H₁₄ClNO₃

8-(Quinoline-2-carbonyl)naphthalene-1-carboxylic acid--hydrogen chloride (1/1)

CAS 93272-81-2C₂₁H₁₄ClNO₃

Frequently asked questions

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What is the molar mass of C21H14ClNO3?

The molar mass of C21H14ClNO3 is 363.80 g/mol, calculated from standard atomic weights for 21 carbon atoms, 14 hydrogen atoms, 1 chlorine atom, 1 nitrogen atom and 3 oxygen atoms. The monoisotopic mass is 363.0662 Da.

How many compounds have the formula C21H14ClNO3?

CompoundList lists 20 compounds with the molecular formula C21H14ClNO3, including 7-Chloro-4-hydroxy-3-(3-phenoxyphenyl)-2(1H)-quinolinone, 7-Chloro-4-hydroxy-3-(4-phenoxyphenyl)-2(1H)-quinolinone, (E)-2-(3-(4-Chlorophenyl)-3-oxoprop-1-en-1-yl)phenyl nicotinate. 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 C21H14ClNO3?

C21H14ClNO3 has a degree of unsaturation of 15. 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.