C18H28O2
# C18H28O2

The chemical formula $C_{18}H_{28}O_2$ (molar mass : 276.41 g/mol exact mass : 276.20893) may refer to:

* Bolandiol (19-norandrostenediol)
* 5α-Dihydronandrolone
* 19-Norandrosterone
* 19-Noretiocholanolone
* Octadecatetraenoic acid
   * alpha-Parinaric acid
   * Stearidonic acid, an essential fatty acid
