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Molecular formula

C20H16ClFN2O3

16 compounds have this formula on CompoundList.

Molar mass
386.81g/mol
Monoisotopic mass
386.0833Da
Atoms
43
Elements
6
Rings plus double bonds
13

The formula C20H16ClFN2O3 describes a molecule made of 20 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 × 2062.10%
    12.011 × 20 = 240.220 g/mol
  • H Hydrogen × 164.17%
    1.008 × 16 = 16.128 g/mol
  • Cl Chlorine × 19.16%
    35.45 × 1 = 35.450 g/mol
  • F Fluorine × 14.91%
    18.998 × 1 = 18.998 g/mol
  • N Nitrogen × 27.24%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 312.41%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C20H16ClFN2O3

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

Showing 1 to 16 of 16 compounds

5-(4-Chlorophenyl)-N-[2-(3-fluoroanilino)-2-oxoethyl]-N-methylfuran-2-carboxamide chemical structure, C20H16ClFN2O3, CAS 949223-49-8
5-(4-Chlorophenyl)-N-[2-(3-fluoroanilino)-2-oxoethyl]-N-methylfuran-2-carboxamide
CAS 949223-49-8C20H16ClFN2O3
Methyl 3-(2-chloro-6-fluorophenyl)-5-[(E)-2-(4-methylanilino)ethenyl]-1,2-oxazole-4-carboxylate chemical structure, C20H16ClFN2O3, CAS 338417-65-5
Methyl 3-(2-chloro-6-fluorophenyl)-5-[(E)-2-(4-methylanilino)ethenyl]-1,2-oxazole-4-carboxylate
CAS 338417-65-5C20H16ClFN2O3
N-(3-Chloro-4-methylphenyl)-5-((4-fluorobenzyl)oxy)-4-oxo-1,4-dihydropyridine-2-carboxamide chemical structure, C20H16ClFN2O3, CAS 1021261-77-7
N-(3-Chloro-4-methylphenyl)-5-((4-fluorobenzyl)oxy)-4-oxo-1,4-dihydropyridine-2-carboxamide
CAS 1021261-77-7C20H16ClFN2O3
N-(5-Chloro-2-methoxyphenyl)-1-(3-fluorobenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide chemical structure, C20H16ClFN2O3, CAS 1005300-00-4
N-(5-Chloro-2-methoxyphenyl)-1-(3-fluorobenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide
CAS 1005300-00-4C20H16ClFN2O3
N-(3-Chloro-4-fluorophenyl)-2-[5-(2-methyl-2,3-dihydro-1-benzofuran-5-yl)-1,2-oxazol-3-yl]acetamide chemical structure, C20H16ClFN2O3, CAS 1208616-84-5
N-(3-Chloro-4-fluorophenyl)-2-[5-(2-methyl-2,3-dihydro-1-benzofuran-5-yl)-1,2-oxazol-3-yl]acetamide
CAS 1208616-84-5C20H16ClFN2O3
N1-(3-chloro-4-fluorophenyl)-N2-(2-hydroxy-2-(naphthalen-1-yl)ethyl)oxalamide chemical structure, C20H16ClFN2O3, CAS 1351611-61-4
N1-(3-chloro-4-fluorophenyl)-N2-(2-hydroxy-2-(naphthalen-1-yl)ethyl)oxalamide
CAS 1351611-61-4C20H16ClFN2O3
6-[5-(2-Chloro-6-fluorophenyl)-4,5-dihydro-1H-pyrazol-3-yl]-5-hydroxy-4,7-dimethyl-2H-chromen-2-one chemical structure, C20H16ClFN2O3, CAS 1010910-88-9
6-[5-(2-Chloro-6-fluorophenyl)-4,5-dihydro-1H-pyrazol-3-yl]-5-hydroxy-4,7-dimethyl-2H-chromen-2-one
CAS 1010910-88-9C20H16ClFN2O3
2-[1-(4-Fluorophenyl)-2,5-dimethyl-1H-pyrrol-3-yl]-2-oxoethyl 2-chloropyridine-3-carboxylate chemical structure, C20H16ClFN2O3, CAS 808159-80-0
2-[1-(4-Fluorophenyl)-2,5-dimethyl-1H-pyrrol-3-yl]-2-oxoethyl 2-chloropyridine-3-carboxylate
CAS 808159-80-0C20H16ClFN2O3
N-(3-Chloro-4-methylphenyl)-1-[(4-fluorophenyl)methoxy]-2-oxopyridine-3-carboxamide chemical structure, C20H16ClFN2O3, CAS 868678-42-6
N-(3-Chloro-4-methylphenyl)-1-[(4-fluorophenyl)methoxy]-2-oxopyridine-3-carboxamide
CAS 868678-42-6C20H16ClFN2O3
N-(5-Chloro-2-methoxyphenyl)-1-(4-fluorobenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide chemical structure, C20H16ClFN2O3, CAS 1005300-30-0
N-(5-Chloro-2-methoxyphenyl)-1-(4-fluorobenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide
CAS 1005300-30-0C20H16ClFN2O3
1-(2-Chloro-6-fluorobenzyl)-N-(2-methoxyphenyl)-2-oxo-1,2-dihydropyridine-3-carboxamide chemical structure, C20H16ClFN2O3, CAS 946247-59-2
1-(2-Chloro-6-fluorobenzyl)-N-(2-methoxyphenyl)-2-oxo-1,2-dihydropyridine-3-carboxamide
CAS 946247-59-2C20H16ClFN2O3
1-(2-Chloro-6-fluorobenzyl)-N-(3-methoxyphenyl)-2-oxo-1,2-dihydropyridine-3-carboxamide chemical structure, C20H16ClFN2O3, CAS 946302-93-8
1-(2-Chloro-6-fluorobenzyl)-N-(3-methoxyphenyl)-2-oxo-1,2-dihydropyridine-3-carboxamide
CAS 946302-93-8C20H16ClFN2O3
N-(5-Chloro-2-methoxyphenyl)-1-(2-fluorobenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide chemical structure, C20H16ClFN2O3, CAS 946222-09-9
N-(5-Chloro-2-methoxyphenyl)-1-(2-fluorobenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide
CAS 946222-09-9C20H16ClFN2O3
N-(5-Chloro-2-methoxyphenyl)-1-[(3-fluorophenyl)methyl]-6-oxopyridine-3-carboxamide chemical structure, C20H16ClFN2O3, CAS 941953-79-3
N-(5-Chloro-2-methoxyphenyl)-1-[(3-fluorophenyl)methyl]-6-oxopyridine-3-carboxamide
CAS 941953-79-3C20H16ClFN2O3
1-[(2-Chloro-6-fluorophenyl)methyl]-N-(2-methoxyphenyl)-6-oxo-1,6-dihydropyridine-3-carboxamide chemical structure, C20H16ClFN2O3, CAS 946229-03-4
1-[(2-Chloro-6-fluorophenyl)methyl]-N-(2-methoxyphenyl)-6-oxo-1,6-dihydropyridine-3-carboxamide
CAS 946229-03-4C20H16ClFN2O3
2-[1-(4-Fluorophenyl)-2,5-dimethyl-1H-pyrrol-3-yl]-2-oxoethyl 6-chloropyridine-3-carboxylate chemical structure, C20H16ClFN2O3, CAS 807336-40-9
2-[1-(4-Fluorophenyl)-2,5-dimethyl-1H-pyrrol-3-yl]-2-oxoethyl 6-chloropyridine-3-carboxylate
CAS 807336-40-9C20H16ClFN2O3

Frequently asked questions

What is the molar mass of C20H16ClFN2O3?

The molar mass of C20H16ClFN2O3 is 386.81 g/mol, calculated from standard atomic weights for 20 carbon atoms, 16 hydrogen atoms, 1 chlorine atom, 1 fluorine atom, 2 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 386.0833 Da.

How many compounds have the formula C20H16ClFN2O3?

CompoundList lists 16 compounds with the molecular formula C20H16ClFN2O3, including 5-(4-Chlorophenyl)-N-[2-(3-fluoroanilino)-2-oxoethyl]-N-methylfuran-2-carboxamide, Methyl 3-(2-chloro-6-fluorophenyl)-5-[(E)-2-(4-methylanilino)ethenyl]-1,2-oxazole-4-carboxylate, N-(3-Chloro-4-methylphenyl)-5-((4-fluorobenzyl)oxy)-4-oxo-1,4-dihydropyridine-2-carboxamide. 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 C20H16ClFN2O3?

C20H16ClFN2O3 has a degree of unsaturation of 13. 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.