CompoundList
Molecular formula

C18H16NOP

16 compounds have this formula on CompoundList.

Molar mass
293.31g/mol
Monoisotopic mass
293.0970Da
Atoms
37
Elements
5
Rings plus double bonds
12

The formula C18H16NOP describes a molecule made of 18 carbon atoms, 16 hydrogen atoms, 1 nitrogen atom, 1 oxygen atom and 1 phosphorus 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 × 1873.71%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 165.50%
    1.008 × 16 = 16.128 g/mol
  • N Nitrogen × 14.78%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 15.45%
    15.999 × 1 = 15.999 g/mol
  • P Phosphorus × 110.56%
    30.974 × 1 = 30.974 g/mol
Look up another formula

Compounds with the formula C18H16NOP

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

Showing 1 to 16 of 16 compounds

Frequently asked questions

What is the molar mass of C18H16NOP?

The molar mass of C18H16NOP is 293.31 g/mol, calculated from standard atomic weights for 18 carbon atoms, 16 hydrogen atoms, 1 nitrogen atom, 1 oxygen atom and 1 phosphorus atom. The monoisotopic mass is 293.0970 Da.

How many compounds have the formula C18H16NOP?

CompoundList lists 16 compounds with the molecular formula C18H16NOP, including 2-[(Diphenylphosphoryl)methyl]pyridine, Benzenamine, 2-(diphenylphosphinyl)-, 2-(Diphenylphosphanyl)-6-methoxypyridine. 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 C18H16NOP?

C18H16NOP 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.