2-Hydroxycaprylic acid , its CAS NO. is 617-73-2, the synonyms are alpha-Hydroxycaprylic acid ; 2-hydroxy-octanoic acid ; 2-Hydroxy-n-caprylic Acid ; 2-Hydroxy-n-octanoic Acid ; ()-2-Hydroxycaprylic acid ; ()-2-Hydroxyoctanoic acid ; .alpha.-Hydroxycaprylic acid .