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Molecular formula

C18H18ClN3O

102 compounds have this formula on CompoundList.

Molar mass
327.81g/mol
Monoisotopic mass
335.1641Da
Atoms
41
Elements
5
Rings plus double bonds
11

The formula C18H18ClN3O describes a molecule made of 18 carbon atoms, 18 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms 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 × 1865.95%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 185.53%
    1.008 × 18 = 18.144 g/mol
  • Cl Chlorine × 110.81%
    35.45 × 1 = 35.450 g/mol
  • N Nitrogen × 312.82%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 14.88%
    15.999 × 1 = 15.999 g/mol
Look up another formula

Compounds with the formula C18H18ClN3O

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

Showing 101 to 102 of 102 compounds

7-Chloro-1-[2-(dimethylamino)ethyl]-3-phenyl-1,6-naphthyridin-2-one chemical structure, C18H18ClN3O, CAS 1588424-76-3
7-Chloro-1-[2-(dimethylamino)ethyl]-3-phenyl-1,6-naphthyridin-2-one
CAS 1588424-76-3C18H18ClN3O
2-[6-(3-Chlorophenyl)-4-methyl-3-pyridinyl]-2-morpholin-4-ylacetonitrile chemical structure, C18H18ClN3O, CAS 1332336-57-8
2-[6-(3-Chlorophenyl)-4-methyl-3-pyridinyl]-2-morpholin-4-ylacetonitrile
CAS 1332336-57-8C18H18ClN3O

Frequently asked questions

What is the molar mass of C18H18ClN3O?

The molar mass of C18H18ClN3O is 327.81 g/mol, calculated from standard atomic weights for 18 carbon atoms, 18 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 335.1641 Da.

How many compounds have the formula C18H18ClN3O?

CompoundList lists 102 compounds with the molecular formula C18H18ClN3O, including 7-Chloro-1-[2-(dimethylamino)ethyl]-3-phenyl-1,6-naphthyridin-2-one, 2-[6-(3-Chlorophenyl)-4-methyl-3-pyridinyl]-2-morpholin-4-ylacetonitrile. 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 C18H18ClN3O?

C18H18ClN3O has a degree of unsaturation of 11. 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.