Ethyl 3-hexenoate (CAS No.2396-83-0), its synonyms are 3-hexenoic acid, ethyl ester ; 3-Hexenoic acid, ethyl ester, (3E)- ; 3-Hexenoic acid, ethyl ester, (E)- ; Ethyl (3E)-hex-3-enoate ; Ethyl (E)-3-hexenoate ; Ethyl hex-3-enoate .