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Molecular formula

C21H19F2NO

1 compound has this formula on CompoundList.

Molar mass
339.38g/mol
Monoisotopic mass
339.1435Da
Atoms
44
Elements
5
Rings plus double bonds
12

The formula C21H19F2NO describes a molecule made of 21 carbon atoms, 19 hydrogen atoms, 2 fluorine atoms, 1 nitrogen atom and 1 oxygen 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 × 2174.32%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 195.64%
    1.008 × 19 = 19.152 g/mol
  • F Fluorine × 211.20%
    18.998 × 2 = 37.996 g/mol
  • N Nitrogen × 14.13%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 14.71%
    15.999 × 1 = 15.999 g/mol
Look up another formula

Compounds with the formula C21H19F2NO

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

Showing 1 to 1 of 1 compounds

2-[(4-Fluorobenzyl)amino]-1-(4-fluorophenyl)-1-phenyl-1-ethanol chemical structure, C21H19F2NO, CAS 400079-43-8
2-[(4-Fluorobenzyl)amino]-1-(4-fluorophenyl)-1-phenyl-1-ethanol
CAS 400079-43-8C21H19F2NO

Frequently asked questions

What is the molar mass of C21H19F2NO?

The molar mass of C21H19F2NO is 339.38 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 2 fluorine atoms, 1 nitrogen atom and 1 oxygen atom. The monoisotopic mass is 339.1435 Da.

How many compounds have the formula C21H19F2NO?

CompoundList lists 1 compound with the molecular formula C21H19F2NO, including 2-[(4-Fluorobenzyl)amino]-1-(4-fluorophenyl)-1-phenyl-1-ethanol. 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 C21H19F2NO?

C21H19F2NO has a degree of unsaturation of 12. 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.