CompoundList
Molecular formula

C18H25IO2Si

1 compound has this formula on CompoundList.

Molar mass
428.38g/mol
Monoisotopic mass
428.0669Da
Atoms
47
Elements
5
Rings plus double bonds
7

The formula C18H25IO2Si describes a molecule made of 18 carbon atoms, 25 hydrogen atoms, 1 iodine atom, 2 oxygen atoms and 1 silicon 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 × 1850.47%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 255.88%
    1.008 × 25 = 25.200 g/mol
  • I Iodine × 129.62%
    126.9 × 1 = 126.900 g/mol
  • O Oxygen × 27.47%
    15.999 × 2 = 31.998 g/mol
  • Si Silicon × 16.56%
    28.085 × 1 = 28.085 g/mol
Look up another formula

Compounds with the formula C18H25IO2Si

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 C18H25IO2Si?

The molar mass of C18H25IO2Si is 428.38 g/mol, calculated from standard atomic weights for 18 carbon atoms, 25 hydrogen atoms, 1 iodine atom, 2 oxygen atoms and 1 silicon atom. The monoisotopic mass is 428.0669 Da.

How many compounds have the formula C18H25IO2Si?

CompoundList lists 1 compound with the molecular formula C18H25IO2Si, including 1-((Triisopropylsilyl)ethynyl)-1,2-benziodoxol-3(1H)-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 C18H25IO2Si?

C18H25IO2Si has a degree of unsaturation of 7. 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.