C9H16O

The molecular formula C9H16O (molar mass: 140.22 g/mol) may refer to:


 * Cyclohexylacetone
 * Nonenals
 * 2-Nonenal
 * 3-Nonenal
 * 4-Nonenal
 * 5-Nonenal
 * 6-Nonenal
 * 7-Nonenal
 * 8-Nonenal