{{DISPLAYTITLE:C5H10O}} The molecular formula C5H10O may refer to: Isoprenol Isovaleraldehyde (3-methylbutanal) 2-Methylbutanal Methyl isopropyl ketone 2-Methyltetrahydrofuran 3-Methyltetrahydrofuran Pentanal 2-Pentanone 3-Pentanone Pivaldehyde (2,2-dimethylpropanal) Prenol Tetrahydropyran