CompoundList
Molecular formula

C25H18O2

13 compounds have this formula on CompoundList.

Molar mass
350.42g/mol
Monoisotopic mass
350.1307Da
Atoms
45
Elements
3
Rings plus double bonds
17

The formula C25H18O2 describes a molecule made of 25 carbon atoms, 18 hydrogen atoms and 2 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 × 2585.69%
    12.011 × 25 = 300.275 g/mol
  • H Hydrogen × 185.18%
    1.008 × 18 = 18.144 g/mol
  • O Oxygen × 29.13%
    15.999 × 2 = 31.998 g/mol
Look up another formula

Compounds with the formula C25H18O2

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

Showing 1 to 13 of 13 compounds

Frequently asked questions

What is the molar mass of C25H18O2?

The molar mass of C25H18O2 is 350.42 g/mol, calculated from standard atomic weights for 25 carbon atoms, 18 hydrogen atoms and 2 oxygen atoms. The monoisotopic mass is 350.1307 Da.

How many compounds have the formula C25H18O2?

CompoundList lists 13 compounds with the molecular formula C25H18O2, including 9,9-Bis(4-hydroxyphenyl)fluorene, 2,4,6-Triphenylbenzoic acid, 2-Methyl-9-phenyldibenzo(3,4:6,7)cyclohepta(1,2-b)pyran-4(9H)-one. 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 C25H18O2?

C25H18O2 has a degree of unsaturation of 17. 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.