title: C18H28O2
text: # 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
  