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Molecular formula

C21H19ClFN3O2

33 compounds have this formula on CompoundList.

Molar mass
399.85g/mol
Monoisotopic mass
399.1150Da
Atoms
47
Elements
6
Rings plus double bonds
13

The formula C21H19ClFN3O2 describes a molecule made of 21 carbon atoms, 19 hydrogen atoms, 1 chlorine atom, 1 fluorine atom, 3 nitrogen atoms and 2 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 × 2163.08%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 194.79%
    1.008 × 19 = 19.152 g/mol
  • Cl Chlorine × 18.87%
    35.45 × 1 = 35.450 g/mol
  • F Fluorine × 14.75%
    18.998 × 1 = 18.998 g/mol
  • N Nitrogen × 310.51%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 28.00%
    15.999 × 2 = 31.998 g/mol
Look up another formula

Compounds with the formula C21H19ClFN3O2

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

Showing 1 to 33 of 33 compounds

[3-(2-Chlorophenyl)-5-methyl-1,2-oxazol-4-yl]-[4-(4-fluorophenyl)piperazin-1-yl]methanone chemical structure, C21H19ClFN3O2, CAS 321532-07-4
[3-(2-Chlorophenyl)-5-methyl-1,2-oxazol-4-yl]-[4-(4-fluorophenyl)piperazin-1-yl]methanone
CAS 321532-07-4C21H19ClFN3O2
1-{[4-(2-Chlorophenyl)-5-methyl-3-isoxazolyl]carbonyl}-4-(2-fluorophenyl)piperazine chemical structure, C21H19ClFN3O2, CAS 385391-47-9
1-{[4-(2-Chlorophenyl)-5-methyl-3-isoxazolyl]carbonyl}-4-(2-fluorophenyl)piperazine
CAS 385391-47-9C21H19ClFN3O2
2-(2-Chlorophenyl)-1-(4-(5-(4-fluorophenyl)-1,3,4-oxadiazol-2-yl)piperidin-1-yl)ethanone chemical structure, C21H19ClFN3O2, CAS 1208548-70-2
2-(2-Chlorophenyl)-1-(4-(5-(4-fluorophenyl)-1,3,4-oxadiazol-2-yl)piperidin-1-yl)ethanone
CAS 1208548-70-2C21H19ClFN3O2
N-(4-Chlorophenyl)-2-(3-(4-fluorophenyl)-2-oxo-1,4-diazaspiro[4.4]non-3-en-1-yl)acetamide chemical structure, C21H19ClFN3O2, CAS 872207-21-1
N-(4-Chlorophenyl)-2-(3-(4-fluorophenyl)-2-oxo-1,4-diazaspiro[4.4]non-3-en-1-yl)acetamide
CAS 872207-21-1C21H19ClFN3O2
8-Chloro-N-(4-fluorobenzyl)-5-methyl-10-oxo-3,4,5,10-tetrahydrobenzo[b][1,6]naphthyridine-2(1H)-carboxamide chemical structure, C21H19ClFN3O2, CAS 1251600-61-9
8-Chloro-N-(4-fluorobenzyl)-5-methyl-10-oxo-3,4,5,10-tetrahydrobenzo[b][1,6]naphthyridine-2(1H)-carboxamide
CAS 1251600-61-9C21H19ClFN3O2
4-(3-(4-Chlorophenyl)-6-oxopyridazin-1(6H)-yl)-N-(4-fluorobenzyl)butanamide chemical structure, C21H19ClFN3O2, CAS 946266-15-5
4-(3-(4-Chlorophenyl)-6-oxopyridazin-1(6H)-yl)-N-(4-fluorobenzyl)butanamide
CAS 946266-15-5C21H19ClFN3O2
2-Chloro-6-fluoro-N-{3-[3-(4-methylphenyl)-6-oxo-1,6-dihydropyridazin-1-yl]propyl}benzamide chemical structure, C21H19ClFN3O2, CAS 1021224-78-1
2-Chloro-6-fluoro-N-{3-[3-(4-methylphenyl)-6-oxo-1,6-dihydropyridazin-1-yl]propyl}benzamide
CAS 1021224-78-1C21H19ClFN3O2
4-(3-(4-Chlorophenyl)-6-oxopyridazin-1(6H)-yl)-N-(3-fluoro-4-methylphenyl)butanamide chemical structure, C21H19ClFN3O2, CAS 946320-98-5
4-(3-(4-Chlorophenyl)-6-oxopyridazin-1(6H)-yl)-N-(3-fluoro-4-methylphenyl)butanamide
CAS 946320-98-5C21H19ClFN3O2
N-(3-(3-(4-Chlorophenyl)-6-oxopyridazin-1(6H)-yl)propyl)-2-(4-fluorophenyl)acetamide chemical structure, C21H19ClFN3O2, CAS 1040669-12-2
N-(3-(3-(4-Chlorophenyl)-6-oxopyridazin-1(6H)-yl)propyl)-2-(4-fluorophenyl)acetamide
CAS 1040669-12-2C21H19ClFN3O2
2-(2-Chlorophenyl)-N-(3-(3-(4-fluorophenyl)-6-oxopyridazin-1(6H)-yl)propyl)acetamide chemical structure, C21H19ClFN3O2, CAS 1058499-66-3
2-(2-Chlorophenyl)-N-(3-(3-(4-fluorophenyl)-6-oxopyridazin-1(6H)-yl)propyl)acetamide
CAS 1058499-66-3C21H19ClFN3O2
[4-(2-Chlorophenyl)-5-methyl-1,2-oxazol-3-yl]-[4-(4-fluorophenyl)piperazin-1-yl]methanone chemical structure, C21H19ClFN3O2, CAS 425373-10-0
[4-(2-Chlorophenyl)-5-methyl-1,2-oxazol-3-yl]-[4-(4-fluorophenyl)piperazin-1-yl]methanone
CAS 425373-10-0C21H19ClFN3O2
N-(3-Chloro-4-fluorobenzyl)-2-(3-(3,4-dimethylphenyl)-6-oxopyridazin-1(6H)-yl)acetamide chemical structure, C21H19ClFN3O2, CAS 1252906-44-7
N-(3-Chloro-4-fluorobenzyl)-2-(3-(3,4-dimethylphenyl)-6-oxopyridazin-1(6H)-yl)acetamide
CAS 1252906-44-7C21H19ClFN3O2
6-Chloro-N-[(2-fluorophenyl)methyl]-3-(morpholine-4-carbonyl)quinolin-4-amine chemical structure, C21H19ClFN3O2, CAS 1326918-73-3
6-Chloro-N-[(2-fluorophenyl)methyl]-3-(morpholine-4-carbonyl)quinolin-4-amine
CAS 1326918-73-3C21H19ClFN3O2
{6-Chloro-4-[(4-fluorobenzyl)amino]quinolin-3-yl}(morpholin-4-yl)methanone chemical structure, C21H19ClFN3O2, CAS 1326896-02-9
{6-Chloro-4-[(4-fluorobenzyl)amino]quinolin-3-yl}(morpholin-4-yl)methanone
CAS 1326896-02-9C21H19ClFN3O2
2-Chloro-N-[(3-cyclopentyl-4-oxo-3,4-dihydrophthalazin-1-yl)methyl]-6-fluorobenzamide chemical structure, C21H19ClFN3O2, CAS 1421476-92-7
2-Chloro-N-[(3-cyclopentyl-4-oxo-3,4-dihydrophthalazin-1-yl)methyl]-6-fluorobenzamide
CAS 1421476-92-7C21H19ClFN3O2
2-{3-[(3-Ethyl-1,2,4-oxadiazol-5-yl)methyl]-8-methyl-4-oxo-3,4-dihydro-5H-pyrimido[5,4-b]indol-5-yl}-N-[3-(methylthio)phenyl]acetamide chemical structure, C21H19ClFN3O2, CAS 1251566-55-8
2-{3-[(3-Ethyl-1,2,4-oxadiazol-5-yl)methyl]-8-methyl-4-oxo-3,4-dihydro-5H-pyrimido[5,4-b]indol-5-yl}-N-[3-(methylthio)phenyl]acetamide
CAS 1251566-55-8C21H19ClFN3O2
(4-((3-Chloro-4-methoxyphenyl)amino)-6-fluoroquinolin-3-yl)(pyrrolidin-1-yl)methanone chemical structure, C21H19ClFN3O2, CAS 1359401-45-8
(4-((3-Chloro-4-methoxyphenyl)amino)-6-fluoroquinolin-3-yl)(pyrrolidin-1-yl)methanone
CAS 1359401-45-8C21H19ClFN3O2
[4-[(2-Chloro-6-fluorophenyl)methyl]piperazin-1-yl]-(5-phenyl-1,2-oxazol-3-yl)methanone chemical structure, C21H19ClFN3O2, CAS 752990-28-6
[4-[(2-Chloro-6-fluorophenyl)methyl]piperazin-1-yl]-(5-phenyl-1,2-oxazol-3-yl)methanone
CAS 752990-28-6C21H19ClFN3O2
3-{[(2-Chloro-4-fluorobenzyl)oxy]imino}-2-[4-(3,3-dimethyl-2-oxo-1-azetanyl)phenyl]propanenitrile chemical structure, C21H19ClFN3O2, CAS 303986-02-9
3-{[(2-Chloro-4-fluorobenzyl)oxy]imino}-2-[4-(3,3-dimethyl-2-oxo-1-azetanyl)phenyl]propanenitrile
CAS 303986-02-9C21H19ClFN3O2
[4-(2-Chloro-4-fluorobenzyl)piperazin-1-yl](5-phenyl-1,2-oxazol-3-yl)methanone chemical structure, C21H19ClFN3O2, CAS 745042-73-3
[4-(2-Chloro-4-fluorobenzyl)piperazin-1-yl](5-phenyl-1,2-oxazol-3-yl)methanone
CAS 745042-73-3C21H19ClFN3O2
2-(7-Chloro-6-methyl-10-oxo-3,4-dihydrobenzo[b][1,6]naphthyridin-2(1H,5H,10H)-yl)-N-(4-fluorophenyl)acetamide chemical structure, C21H19ClFN3O2, CAS 1251688-59-1
2-(7-Chloro-6-methyl-10-oxo-3,4-dihydrobenzo[b][1,6]naphthyridin-2(1H,5H,10H)-yl)-N-(4-fluorophenyl)acetamide
CAS 1251688-59-1C21H19ClFN3O2
2-(7-Chloro-6-methyl-10-oxo-3,4-dihydrobenzo[b][1,6]naphthyridin-2(1H,5H,10H)-yl)-N-(2-fluorophenyl)acetamide chemical structure, C21H19ClFN3O2, CAS 1251640-48-8
2-(7-Chloro-6-methyl-10-oxo-3,4-dihydrobenzo[b][1,6]naphthyridin-2(1H,5H,10H)-yl)-N-(2-fluorophenyl)acetamide
CAS 1251640-48-8C21H19ClFN3O2
(4-((3-Chloro-4-methylphenyl)amino)-6-fluoroquinolin-3-yl)(morpholino)methanone chemical structure, C21H19ClFN3O2, CAS 1358236-17-5
(4-((3-Chloro-4-methylphenyl)amino)-6-fluoroquinolin-3-yl)(morpholino)methanone
CAS 1358236-17-5C21H19ClFN3O2
(4-((5-Chloro-2-methoxyphenyl)amino)-6-fluoroquinolin-3-yl)(pyrrolidin-1-yl)methanone chemical structure, C21H19ClFN3O2, CAS 1358761-46-2
(4-((5-Chloro-2-methoxyphenyl)amino)-6-fluoroquinolin-3-yl)(pyrrolidin-1-yl)methanone
CAS 1358761-46-2C21H19ClFN3O2

Frequently asked questions

What is the molar mass of C21H19ClFN3O2?

The molar mass of C21H19ClFN3O2 is 399.85 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 1 chlorine atom, 1 fluorine atom, 3 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 399.1150 Da.

How many compounds have the formula C21H19ClFN3O2?

CompoundList lists 33 compounds with the molecular formula C21H19ClFN3O2, including [3-(2-Chlorophenyl)-5-methyl-1,2-oxazol-4-yl]-[4-(4-fluorophenyl)piperazin-1-yl]methanone, 1-{[4-(2-Chlorophenyl)-5-methyl-3-isoxazolyl]carbonyl}-4-(2-fluorophenyl)piperazine, 2-(2-Chlorophenyl)-1-(4-(5-(4-fluorophenyl)-1,3,4-oxadiazol-2-yl)piperidin-1-yl)ethanone. 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 C21H19ClFN3O2?

C21H19ClFN3O2 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.