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Molecular formula

C21H16ClFN4O2

37 compounds have this formula on CompoundList.

Molar mass
410.83g/mol
Monoisotopic mass
410.0946Da
Atoms
45
Elements
6
Rings plus double bonds
15

The formula C21H16ClFN4O2 describes a molecule made of 21 carbon atoms, 16 hydrogen atoms, 1 chlorine atom, 1 fluorine atom, 4 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 × 2161.40%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 163.93%
    1.008 × 16 = 16.128 g/mol
  • Cl Chlorine × 18.63%
    35.45 × 1 = 35.450 g/mol
  • F Fluorine × 14.62%
    18.998 × 1 = 18.998 g/mol
  • N Nitrogen × 413.64%
    14.007 × 4 = 56.028 g/mol
  • O Oxygen × 27.79%
    15.999 × 2 = 31.998 g/mol
Look up another formula

Compounds with the formula C21H16ClFN4O2

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

Showing 1 to 37 of 37 compounds

3-[5-Chloro-1-(4-fluorophenyl)-3-methyl-1H-pyrazol-4-yl]-2-cyano-N-(2-methoxyphenyl)prop-2-enamide chemical structure, C21H16ClFN4O2, CAS 956611-42-0
3-[5-Chloro-1-(4-fluorophenyl)-3-methyl-1H-pyrazol-4-yl]-2-cyano-N-(2-methoxyphenyl)prop-2-enamide
CAS 956611-42-0C21H16ClFN4O2
2-Chloro-6-fluoro-N-(5-(6-methoxyimidazo[1,2-b]pyridazin-2-yl)-2-methylphenyl)benzamide chemical structure, C21H16ClFN4O2, CAS 946268-03-7
2-Chloro-6-fluoro-N-(5-(6-methoxyimidazo[1,2-b]pyridazin-2-yl)-2-methylphenyl)benzamide
CAS 946268-03-7C21H16ClFN4O2
N-(2-Chlorobenzyl)-2-{2-[3-(4-fluorophenyl)-1,2,4-oxadiazol-5-yl]-1H-pyrrol-1-yl}acetamide chemical structure, C21H16ClFN4O2, CAS 1260991-82-9
N-(2-Chlorobenzyl)-2-{2-[3-(4-fluorophenyl)-1,2,4-oxadiazol-5-yl]-1H-pyrrol-1-yl}acetamide
CAS 1260991-82-9C21H16ClFN4O2
N-(4-Chlorobenzyl)-2-{2-[3-(4-fluorophenyl)-1,2,4-oxadiazol-5-yl]-1H-pyrrol-1-yl}acetamide chemical structure, C21H16ClFN4O2, CAS 1260922-82-4
N-(4-Chlorobenzyl)-2-{2-[3-(4-fluorophenyl)-1,2,4-oxadiazol-5-yl]-1H-pyrrol-1-yl}acetamide
CAS 1260922-82-4C21H16ClFN4O2
N-(2-Chloro-5-(6-methoxyimidazo[1,2-b]pyridazin-2-yl)phenyl)-2-(4-fluorophenyl)acetamide chemical structure, C21H16ClFN4O2, CAS 953171-80-7
N-(2-Chloro-5-(6-methoxyimidazo[1,2-b]pyridazin-2-yl)phenyl)-2-(4-fluorophenyl)acetamide
CAS 953171-80-7C21H16ClFN4O2
2-(4-Chlorophenyl)-N-(2-fluoro-5-(6-methoxyimidazo[1,2-b]pyridazin-2-yl)phenyl)acetamide chemical structure, C21H16ClFN4O2, CAS 953172-16-2
2-(4-Chlorophenyl)-N-(2-fluoro-5-(6-methoxyimidazo[1,2-b]pyridazin-2-yl)phenyl)acetamide
CAS 953172-16-2C21H16ClFN4O2
2-(4-Chlorophenyl)-5-[4-(4-fluorobenzoyl)piperazin-1-yl]-1,3-oxazole-4-carbonitrile chemical structure, C21H16ClFN4O2, CAS 903586-62-9
2-(4-Chlorophenyl)-5-[4-(4-fluorobenzoyl)piperazin-1-yl]-1,3-oxazole-4-carbonitrile
CAS 903586-62-9C21H16ClFN4O2
2-(3-Chlorophenyl)-5-(4-(4-fluorobenzoyl)piperazin-1-yl)oxazole-4-carbonitrile chemical structure, C21H16ClFN4O2, CAS 903866-75-1
2-(3-Chlorophenyl)-5-(4-(4-fluorobenzoyl)piperazin-1-yl)oxazole-4-carbonitrile
CAS 903866-75-1C21H16ClFN4O2
2-(4-Chlorophenyl)-5-(4-(2-fluorobenzoyl)piperazin-1-yl)oxazole-4-carbonitrile chemical structure, C21H16ClFN4O2, CAS 946244-67-3
2-(4-Chlorophenyl)-5-(4-(2-fluorobenzoyl)piperazin-1-yl)oxazole-4-carbonitrile
CAS 946244-67-3C21H16ClFN4O2
2-[2-(4-Chlorophenyl)-4-oxopyrazolo[1,5-a]pyrazin-5(4H)-yl]-N-(3-fluoro-4-methylphenyl)acetamide chemical structure, C21H16ClFN4O2, CAS 1243040-60-9
2-[2-(4-Chlorophenyl)-4-oxopyrazolo[1,5-a]pyrazin-5(4H)-yl]-N-(3-fluoro-4-methylphenyl)acetamide
CAS 1243040-60-9C21H16ClFN4O2
N-(1-Benzylpyrazol-4-yl)-3-(2-chloro-6-fluorophenyl)-5-methyl-1,2-oxazole-4-carboxamide chemical structure, C21H16ClFN4O2, CAS 491829-93-7
N-(1-Benzylpyrazol-4-yl)-3-(2-chloro-6-fluorophenyl)-5-methyl-1,2-oxazole-4-carboxamide
CAS 491829-93-7C21H16ClFN4O2
2-(2-Chlorophenyl)-5-(4-(4-fluorobenzoyl)piperazin-1-yl)oxazole-4-carbonitrile chemical structure, C21H16ClFN4O2, CAS 903185-55-7
2-(2-Chlorophenyl)-5-(4-(4-fluorobenzoyl)piperazin-1-yl)oxazole-4-carbonitrile
CAS 903185-55-7C21H16ClFN4O2
2-[2-(4-Chlorophenyl)-4-oxopyrazolo[1,5-a]pyrazin-5(4H)-yl]-N-(4-fluoro-2-methylphenyl)acetamide chemical structure, C21H16ClFN4O2, CAS 941876-97-7
2-[2-(4-Chlorophenyl)-4-oxopyrazolo[1,5-a]pyrazin-5(4H)-yl]-N-(4-fluoro-2-methylphenyl)acetamide
CAS 941876-97-7C21H16ClFN4O2
N-(3-Chlorobenzyl)-2-(2-(3-(4-fluorophenyl)-1,2,4-oxadiazol-5-yl)-1H-pyrrol-1-yl)acetamide chemical structure, C21H16ClFN4O2, CAS 1261009-33-9
N-(3-Chlorobenzyl)-2-(2-(3-(4-fluorophenyl)-1,2,4-oxadiazol-5-yl)-1H-pyrrol-1-yl)acetamide
CAS 1261009-33-9C21H16ClFN4O2
5-(4-(4-Chlorobenzoyl)piperazin-1-yl)-2-(4-fluorophenyl)oxazole-4-carbonitrile chemical structure, C21H16ClFN4O2, CAS 903189-63-9
5-(4-(4-Chlorobenzoyl)piperazin-1-yl)-2-(4-fluorophenyl)oxazole-4-carbonitrile
CAS 903189-63-9C21H16ClFN4O2
2-[2-(4-Chlorophenyl)-4-oxopyrazolo[1,5-a]pyrazin-5(4H)-yl]-N-(4-fluorobenzyl)acetamide chemical structure, C21H16ClFN4O2, CAS 941982-32-7
2-[2-(4-Chlorophenyl)-4-oxopyrazolo[1,5-a]pyrazin-5(4H)-yl]-N-(4-fluorobenzyl)acetamide
CAS 941982-32-7C21H16ClFN4O2
5-(4-(2-Chlorobenzoyl)piperazin-1-yl)-2-(2-fluorophenyl)oxazole-4-carbonitrile chemical structure, C21H16ClFN4O2, CAS 946308-33-4
5-(4-(2-Chlorobenzoyl)piperazin-1-yl)-2-(2-fluorophenyl)oxazole-4-carbonitrile
CAS 946308-33-4C21H16ClFN4O2
2-(2-(3-(3-Chlorophenyl)-1,2,4-oxadiazol-5-yl)-1H-pyrrol-1-yl)-N-(4-fluorobenzyl)acetamide chemical structure, C21H16ClFN4O2, CAS 1260986-80-8
2-(2-(3-(3-Chlorophenyl)-1,2,4-oxadiazol-5-yl)-1H-pyrrol-1-yl)-N-(4-fluorobenzyl)acetamide
CAS 1260986-80-8C21H16ClFN4O2
2-[2-(4-Chlorophenyl)-4-oxopyrazolo[1,5-a]pyrazin-5(4H)-yl]-N-(5-fluoro-2-methylphenyl)acetamide chemical structure, C21H16ClFN4O2, CAS 1243036-15-8
2-[2-(4-Chlorophenyl)-4-oxopyrazolo[1,5-a]pyrazin-5(4H)-yl]-N-(5-fluoro-2-methylphenyl)acetamide
CAS 1243036-15-8C21H16ClFN4O2
N-[2-(3-Chloro-4-methoxyphenyl)-6-methylbenzotriazol-5-yl]-4-fluorobenzamide chemical structure, C21H16ClFN4O2, CAS 432021-49-3
N-[2-(3-Chloro-4-methoxyphenyl)-6-methylbenzotriazol-5-yl]-4-fluorobenzamide
CAS 432021-49-3C21H16ClFN4O2
N-[2-(3-Chloro-4-methoxyphenyl)-6-methylbenzotriazol-5-yl]-3-fluorobenzamide chemical structure, C21H16ClFN4O2, CAS 833428-98-1
N-[2-(3-Chloro-4-methoxyphenyl)-6-methylbenzotriazol-5-yl]-3-fluorobenzamide
CAS 833428-98-1C21H16ClFN4O2
5-(4-(4-Chlorobenzoyl)piperazin-1-yl)-2-(2-fluorophenyl)oxazole-4-carbonitrile chemical structure, C21H16ClFN4O2, CAS 903586-35-6
5-(4-(4-Chlorobenzoyl)piperazin-1-yl)-2-(2-fluorophenyl)oxazole-4-carbonitrile
CAS 903586-35-6C21H16ClFN4O2
5-(4-(3-Chlorobenzoyl)piperazin-1-yl)-2-(2-fluorophenyl)oxazole-4-carbonitrile chemical structure, C21H16ClFN4O2, CAS 903186-24-3
5-(4-(3-Chlorobenzoyl)piperazin-1-yl)-2-(2-fluorophenyl)oxazole-4-carbonitrile
CAS 903186-24-3C21H16ClFN4O2
2-(3-Chlorophenyl)-5-(4-(2-fluorobenzoyl)piperazin-1-yl)oxazole-4-carbonitrile chemical structure, C21H16ClFN4O2, CAS 903193-98-6
2-(3-Chlorophenyl)-5-(4-(2-fluorobenzoyl)piperazin-1-yl)oxazole-4-carbonitrile
CAS 903193-98-6C21H16ClFN4O2

Frequently asked questions

What is the molar mass of C21H16ClFN4O2?

The molar mass of C21H16ClFN4O2 is 410.83 g/mol, calculated from standard atomic weights for 21 carbon atoms, 16 hydrogen atoms, 1 chlorine atom, 1 fluorine atom, 4 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 410.0946 Da.

How many compounds have the formula C21H16ClFN4O2?

CompoundList lists 37 compounds with the molecular formula C21H16ClFN4O2, including 3-[5-Chloro-1-(4-fluorophenyl)-3-methyl-1H-pyrazol-4-yl]-2-cyano-N-(2-methoxyphenyl)prop-2-enamide, 2-Chloro-6-fluoro-N-(5-(6-methoxyimidazo[1,2-b]pyridazin-2-yl)-2-methylphenyl)benzamide, N-(2-Chlorobenzyl)-2-{2-[3-(4-fluorophenyl)-1,2,4-oxadiazol-5-yl]-1H-pyrrol-1-yl}acetamide. 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 C21H16ClFN4O2?

C21H16ClFN4O2 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.