C9H20O

The molecular formula C9H20O (molar mass: 144.25 g/mol, exact mass: 144.1514 u) may refer to:


 * 3,5,5-Trimethyl-hexan-1-ol
 * 3-Methyl-3-octanol, or 3-methyloctan-3-ol
 * 1-Nonanol
 * 2-Nonanol
 * Isononyl alcohol