CompoundList
Molecular formula

C21H18Cl4NOP

1 compound has this formula on CompoundList.

Molar mass
473.16g/mol
Monoisotopic mass
470.9880Da
Atoms
46
Elements
6
Rings plus double bonds
12

The formula C21H18Cl4NOP describes a molecule made of 21 carbon atoms, 18 hydrogen atoms, 4 chlorine 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 × 2153.31%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 183.83%
    1.008 × 18 = 18.144 g/mol
  • Cl Chlorine × 429.97%
    35.45 × 4 = 141.800 g/mol
  • N Nitrogen × 12.96%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 13.38%
    15.999 × 1 = 15.999 g/mol
  • P Phosphorus × 16.55%
    30.974 × 1 = 30.974 g/mol
Look up another formula

Compounds with the formula C21H18Cl4NOP

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

Showing 1 to 1 of 1 compounds

Frequently asked questions

What is the molar mass of C21H18Cl4NOP?

The molar mass of C21H18Cl4NOP is 473.16 g/mol, calculated from standard atomic weights for 21 carbon atoms, 18 hydrogen atoms, 4 chlorine atoms, 1 nitrogen atom, 1 oxygen atom and 1 phosphorus atom. The monoisotopic mass is 470.9880 Da.

How many compounds have the formula C21H18Cl4NOP?

CompoundList lists 1 compound with the molecular formula C21H18Cl4NOP, including Triphenyl-((2,2,2-trichloro-acetylamino)-methyl)-phosphonium, chloride. 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 C21H18Cl4NOP?

C21H18Cl4NOP 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.