Vanillin acetate (CAS NO.881-68-5), its Synonyms are 4-(Acetyloxy)-3-methoxybenzaldehyde ; 4-Acetoxy-3-methoxybenzaldehyde ; 4-Formyl-2-methoxyphenol acetate ; 4-Formyl-2-methoxyphenyl acetate ; 4-O-Acetylvanillin ; Acetovanillin ; Acetylvanillin ; Benzaldehyde, 4-(acetyloxy)-3-methoxy- ; O-Acetylvanillin .