C5H12O
# C5H12O

The molecular formula $C_5H_{12}O$ (molar mass: 88.15 g/mol, exact mass: 88.088815) may refer to:

* One of the amyl alcohols:
   * 1-Pentanol
   * tert-Amyl alcohol
   * Isoamyl alcohol
   * Neopentyl alcohol
   * 2-Methyl-1-butanol
   * 3-Methyl-2-butanol
   * 2-Pentanol
   * 3-Pentanol
* An ether:
   * Methyl tert-butyl ether
   * Methyl n-butyl ether $(CH_3-O-C_4H_9)$
