C18H30O2
# C18H30O2

The molecular formula $C_{18}H_{30}O_2$ may refer to:

* Octadecatrienoic acid
   * Calendic acid
   * Catalpic acid
   * α-Eleostearic acid
   * β-Eleostearic acid
   * Jacaric acid
   * α-Linolenic acid
   * γ-Linolenic acid
   * Pinolenic acid
   * Punicic acid
* Ximenynic acid
