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Molecular formula

C21H16ClFN2O3

17 compounds have this formula on CompoundList.

Molar mass
398.82g/mol
Monoisotopic mass
398.0833Da
Atoms
44
Elements
6
Rings plus double bonds
14

The formula C21H16ClFN2O3 describes a molecule made of 21 carbon atoms, 16 hydrogen atoms, 1 chlorine atom, 1 fluorine atom, 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 × 2163.24%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 164.04%
    1.008 × 16 = 16.128 g/mol
  • Cl Chlorine × 18.89%
    35.45 × 1 = 35.450 g/mol
  • F Fluorine × 14.76%
    18.998 × 1 = 18.998 g/mol
  • N Nitrogen × 27.02%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 312.03%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C21H16ClFN2O3

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

Showing 1 to 17 of 17 compounds

2-Chloro-N-{4-[(2-fluorobenzoyl)amino]-2-methoxyphenyl}benzamide chemical structure, C21H16ClFN2O3, CAS 672331-31-6
2-Chloro-N-{4-[(2-fluorobenzoyl)amino]-2-methoxyphenyl}benzamide
CAS 672331-31-6C21H16ClFN2O3
2-Chloro-6-fluoro-N-(2-(furan-2-carbonyl)-1,2,3,4-tetrahydroisoquinolin-7-yl)benzamide chemical structure, C21H16ClFN2O3, CAS 955685-05-9
2-Chloro-6-fluoro-N-(2-(furan-2-carbonyl)-1,2,3,4-tetrahydroisoquinolin-7-yl)benzamide
CAS 955685-05-9C21H16ClFN2O3
2-Chloro-6-fluoro-N-[1-(furan-2-carbonyl)-1,2,3,4-tetrahydroquinolin-7-yl]benzamide chemical structure, C21H16ClFN2O3, CAS 946319-62-6
2-Chloro-6-fluoro-N-[1-(furan-2-carbonyl)-1,2,3,4-tetrahydroquinolin-7-yl]benzamide
CAS 946319-62-6C21H16ClFN2O3
N-(4-Acetylphenyl)-1-(2-chloro-6-fluorobenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide chemical structure, C21H16ClFN2O3, CAS 946355-57-3
N-(4-Acetylphenyl)-1-(2-chloro-6-fluorobenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide
CAS 946355-57-3C21H16ClFN2O3
2-Chloro-4-fluoro-N-(2-(furan-2-carbonyl)-1,2,3,4-tetrahydroisoquinolin-7-yl)benzamide chemical structure, C21H16ClFN2O3, CAS 955684-67-0
2-Chloro-4-fluoro-N-(2-(furan-2-carbonyl)-1,2,3,4-tetrahydroisoquinolin-7-yl)benzamide
CAS 955684-67-0C21H16ClFN2O3
N-(3-Acetylphenyl)-1-(2-chloro-6-fluorobenzyl)-6-oxo-1,6-dihydropyridine-3-carboxamide chemical structure, C21H16ClFN2O3, CAS 899970-29-7
N-(3-Acetylphenyl)-1-(2-chloro-6-fluorobenzyl)-6-oxo-1,6-dihydropyridine-3-carboxamide
CAS 899970-29-7C21H16ClFN2O3
2-Chloro-6-fluoro-N-[1-(furan-2-carbonyl)-1,2,3,4-tetrahydroquinolin-6-yl]benzamide chemical structure, C21H16ClFN2O3, CAS 946245-55-2
2-Chloro-6-fluoro-N-[1-(furan-2-carbonyl)-1,2,3,4-tetrahydroquinolin-6-yl]benzamide
CAS 946245-55-2C21H16ClFN2O3
2-Chloro-N-{2-[2-(4-fluorophenoxy)acetamido]phenyl}benzamide chemical structure, C21H16ClFN2O3, CAS 1207037-15-7
2-Chloro-N-{2-[2-(4-fluorophenoxy)acetamido]phenyl}benzamide
CAS 1207037-15-7C21H16ClFN2O3
4-[(2-Chloro-6-fluorobenzyl)oxy]-N'-[(E)-(2-hydroxyphenyl)methylidene]benzenecarbohydrazide chemical structure, C21H16ClFN2O3, CAS 338393-54-7
4-[(2-Chloro-6-fluorobenzyl)oxy]-N'-[(E)-(2-hydroxyphenyl)methylidene]benzenecarbohydrazide
CAS 338393-54-7C21H16ClFN2O3
N-(3-Acetylphenyl)-1-(2-chloro-6-fluorobenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide chemical structure, C21H16ClFN2O3, CAS 946246-89-5
N-(3-Acetylphenyl)-1-(2-chloro-6-fluorobenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide
CAS 946246-89-5C21H16ClFN2O3
2-[2-(3-Chloro-4-fluorophenoxy)acetamido]-N-phenylbenzamide chemical structure, C21H16ClFN2O3, CAS 879333-21-8
2-[2-(3-Chloro-4-fluorophenoxy)acetamido]-N-phenylbenzamide
CAS 879333-21-8C21H16ClFN2O3
N-(4-Acetylphenyl)-1-(2-chloro-6-fluorobenzyl)-6-oxo-1,6-dihydropyridine-3-carboxamide chemical structure, C21H16ClFN2O3, CAS 899741-13-0
N-(4-Acetylphenyl)-1-(2-chloro-6-fluorobenzyl)-6-oxo-1,6-dihydropyridine-3-carboxamide
CAS 899741-13-0C21H16ClFN2O3
2-(2-Chloro-6-fluorophenyl)-N-(1-(furan-2-carbonyl)indolin-6-yl)acetamide chemical structure, C21H16ClFN2O3, CAS 1448063-57-7
2-(2-Chloro-6-fluorophenyl)-N-(1-(furan-2-carbonyl)indolin-6-yl)acetamide
CAS 1448063-57-7C21H16ClFN2O3
(Z)-3-(3-(4-Chlorophenyl)-4-(3-(4-fluorophenyl)-3-oxoprop-1-en-1-yl)-1H-pyrazol-1-yl)propanoic acid chemical structure, C21H16ClFN2O3, CAS 882230-09-3
(Z)-3-(3-(4-Chlorophenyl)-4-(3-(4-fluorophenyl)-3-oxoprop-1-en-1-yl)-1H-pyrazol-1-yl)propanoic acid
CAS 882230-09-3C21H16ClFN2O3
(Z)-3-(3-(3-Chlorophenyl)-4-(3-(4-fluorophenyl)-3-oxoprop-1-en-1-yl)-1H-pyrazol-1-yl)propanoic acid chemical structure, C21H16ClFN2O3, CAS 882230-13-9
(Z)-3-(3-(3-Chlorophenyl)-4-(3-(4-fluorophenyl)-3-oxoprop-1-en-1-yl)-1H-pyrazol-1-yl)propanoic acid
CAS 882230-13-9C21H16ClFN2O3
5-Chloro-N-(4-fluorophenyl)-2-[(4-methoxybenzoyl)amino]benzamide chemical structure, C21H16ClFN2O3, CAS 693232-97-2
5-Chloro-N-(4-fluorophenyl)-2-[(4-methoxybenzoyl)amino]benzamide
CAS 693232-97-2C21H16ClFN2O3
Benzyl N-{5-chloro-3-[2-(3-fluorophenyl)acetyl]pyridin-2-yl}carbamate chemical structure, C21H16ClFN2O3, CAS 2680685-70-3
Benzyl N-{5-chloro-3-[2-(3-fluorophenyl)acetyl]pyridin-2-yl}carbamate
CAS 2680685-70-3C21H16ClFN2O3

Frequently asked questions

What is the molar mass of C21H16ClFN2O3?

The molar mass of C21H16ClFN2O3 is 398.82 g/mol, calculated from standard atomic weights for 21 carbon atoms, 16 hydrogen atoms, 1 chlorine atom, 1 fluorine atom, 2 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 398.0833 Da.

How many compounds have the formula C21H16ClFN2O3?

CompoundList lists 17 compounds with the molecular formula C21H16ClFN2O3, including 2-Chloro-N-{4-[(2-fluorobenzoyl)amino]-2-methoxyphenyl}benzamide, 2-Chloro-6-fluoro-N-(2-(furan-2-carbonyl)-1,2,3,4-tetrahydroisoquinolin-7-yl)benzamide, 2-Chloro-6-fluoro-N-[1-(furan-2-carbonyl)-1,2,3,4-tetrahydroquinolin-7-yl]benzamide. 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 C21H16ClFN2O3?

C21H16ClFN2O3 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.