Naming alcohols Alcohols contain an OH group attached to a saturated carbon. The common names for alcohols are based on the name of the alkyl group. CH 3 OH     Methyl alcohol CH 3 CH 2 OH     Ethyl alcohol CH 3 CHOHCH 3     Isopropyl alcohol The systematic nomenclature for alcohols adds the ending -ol to the name of the parent alkane and uses a ...