CompoundList
Molecular formula

C27H20O18

2 compounds have this formula on CompoundList.

Molar mass
632.44g/mol
Monoisotopic mass
632.0650Da
Atoms
65
Elements
3
Rings plus double bonds
18

The formula C27H20O18 describes a molecule made of 27 carbon atoms, 20 hydrogen atoms and 18 oxygen atoms. 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 × 2751.28%
    12.011 × 27 = 324.297 g/mol
  • H Hydrogen × 203.19%
    1.008 × 20 = 20.160 g/mol
  • O Oxygen × 1845.54%
    15.999 × 18 = 287.982 g/mol
Look up another formula

Compounds with the formula C27H20O18

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

Showing 1 to 2 of 2 compounds

Frequently asked questions

What is the molar mass of C27H20O18?

The molar mass of C27H20O18 is 632.44 g/mol, calculated from standard atomic weights for 27 carbon atoms, 20 hydrogen atoms and 18 oxygen atoms. The monoisotopic mass is 632.0650 Da.

How many compounds have the formula C27H20O18?

CompoundList lists 2 compounds with the molecular formula C27H20O18, including Castalin, Vescalin. 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 C27H20O18?

C27H20O18 has a degree of unsaturation of 18. 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.