CompoundList
Molecular formula

C20H17OP

8 compounds have this formula on CompoundList.

Molar mass
304.33g/mol
Monoisotopic mass
304.1017Da
Atoms
39
Elements
4
Rings plus double bonds
13

The formula C20H17OP describes a molecule made of 20 carbon atoms, 17 hydrogen atoms, 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 × 2078.93%
    12.011 × 20 = 240.220 g/mol
  • H Hydrogen × 175.63%
    1.008 × 17 = 17.136 g/mol
  • O Oxygen × 15.26%
    15.999 × 1 = 15.999 g/mol
  • P Phosphorus × 110.18%
    30.974 × 1 = 30.974 g/mol
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Compounds with the formula C20H17OP

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

Showing 1 to 8 of 8 compounds

Frequently asked questions

What is the molar mass of C20H17OP?

The molar mass of C20H17OP is 304.33 g/mol, calculated from standard atomic weights for 20 carbon atoms, 17 hydrogen atoms, 1 oxygen atom and 1 phosphorus atom. The monoisotopic mass is 304.1017 Da.

How many compounds have the formula C20H17OP?

CompoundList lists 8 compounds with the molecular formula C20H17OP, including (Triphenylphosphoranylidene)acetaldehyde, Ethanone, 2-(diphenylphosphino)-1-phenyl-, 1-(2-(Diphenylphosphino)phenyl)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 C20H17OP?

C20H17OP 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.