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Molecular formula

C21H16FN3S

5 compounds have this formula on CompoundList.

Molar mass
361.44g/mol
Monoisotopic mass
361.1049Da
Atoms
42
Elements
5
Rings plus double bonds
15

The formula C21H16FN3S describes a molecule made of 21 carbon atoms, 16 hydrogen atoms, 1 fluorine atom, 3 nitrogen atoms and 1 sulfur atom. 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 × 2169.79%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 164.46%
    1.008 × 16 = 16.128 g/mol
  • F Fluorine × 15.26%
    18.998 × 1 = 18.998 g/mol
  • N Nitrogen × 311.63%
    14.007 × 3 = 42.021 g/mol
  • S Sulfur × 18.87%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H16FN3S

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

Showing 1 to 5 of 5 compounds

4,5-Diphenyl-4H-1,2,4-triazol-3-yl 4-fluorobenzyl sulfide chemical structure, C21H16FN3S, CAS 452949-88-1
4,5-Diphenyl-4H-1,2,4-triazol-3-yl 4-fluorobenzyl sulfide
CAS 452949-88-1C21H16FN3S
4-[4-(4-Fluorophenyl)-2-[4-(methylthio)phenyl]-1H-imidazol-5-yl]pyridine chemical structure, C21H16FN3S, CAS 152121-44-3
4-[4-(4-Fluorophenyl)-2-[4-(methylthio)phenyl]-1H-imidazol-5-yl]pyridine
CAS 152121-44-3C21H16FN3S
2-(4-Fluorophenyl)-4-[(4-vinylbenzyl)thio]pyrazolo[1,5-a]pyrazine chemical structure, C21H16FN3S, CAS 1105240-20-7
2-(4-Fluorophenyl)-4-[(4-vinylbenzyl)thio]pyrazolo[1,5-a]pyrazine
CAS 1105240-20-7C21H16FN3S
3-(Benzylsulfanyl)-5-(4-fluorophenyl)-4-phenyl-4H-1,2,4-triazole chemical structure, C21H16FN3S, CAS 205806-35-5
3-(Benzylsulfanyl)-5-(4-fluorophenyl)-4-phenyl-4H-1,2,4-triazole
CAS 205806-35-5C21H16FN3S
4-[2-(4-Fluorophenyl)-4-(3-methylphenyl)-1,3-thiazol-5-yl]-2-pyridylamine chemical structure, C21H16FN3S, CAS 303162-45-0
4-[2-(4-Fluorophenyl)-4-(3-methylphenyl)-1,3-thiazol-5-yl]-2-pyridylamine
CAS 303162-45-0C21H16FN3S

Frequently asked questions

What is the molar mass of C21H16FN3S?

The molar mass of C21H16FN3S is 361.44 g/mol, calculated from standard atomic weights for 21 carbon atoms, 16 hydrogen atoms, 1 fluorine atom, 3 nitrogen atoms and 1 sulfur atom. The monoisotopic mass is 361.1049 Da.

How many compounds have the formula C21H16FN3S?

CompoundList lists 5 compounds with the molecular formula C21H16FN3S, including 4,5-Diphenyl-4H-1,2,4-triazol-3-yl 4-fluorobenzyl sulfide, 4-[4-(4-Fluorophenyl)-2-[4-(methylthio)phenyl]-1H-imidazol-5-yl]pyridine, 2-(4-Fluorophenyl)-4-[(4-vinylbenzyl)thio]pyrazolo[1,5-a]pyrazine. 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 C21H16FN3S?

C21H16FN3S 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.