CompoundList
Molecular formula

C9H5ClO

21 compounds have this formula on CompoundList.

Molar mass
164.59g/mol
Monoisotopic mass
164.0029Da
Atoms
16
Elements
4
Rings plus double bonds
7

The formula C9H5ClO describes a molecule made of 9 carbon atoms, 5 hydrogen atoms, 1 chlorine atom and 1 oxygen 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 × 965.68%
    12.011 × 9 = 108.099 g/mol
  • H Hydrogen × 53.06%
    1.008 × 5 = 5.040 g/mol
  • Cl Chlorine × 121.54%
    35.45 × 1 = 35.450 g/mol
  • O Oxygen × 19.72%
    15.999 × 1 = 15.999 g/mol
Look up another formula

Compounds with the formula C9H5ClO

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

Showing 1 to 21 of 21 compounds

Frequently asked questions

What is the molar mass of C9H5ClO?

The molar mass of C9H5ClO is 164.59 g/mol, calculated from standard atomic weights for 9 carbon atoms, 5 hydrogen atoms, 1 chlorine atom and 1 oxygen atom. The monoisotopic mass is 164.0029 Da.

How many compounds have the formula C9H5ClO?

CompoundList lists 21 compounds with the molecular formula C9H5ClO, including 3-Chloro-5-ethynylbenzaldehyde, 5-Chloro-1H-inden-1-one, 4-Chloro-2-ethynylbenzaldehyde. 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 C9H5ClO?

C9H5ClO 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.