CAS 339-16-2 appears in our catalog under these names: all-trans-Retinoic Acid Methyl Ester, >95% (HPLC), Methyl retinoate/ 96.44% (existing batch purity), METHYL RETINOATE, 96%, 96%, Methyl retinoate. Offered by: TRC, TargetMol, Chemat, MedChemExpress. Available pack sizes: 5mg, 1mg, 10mg, 25mg, 50mg, 100mg, 500mg, 25 mg.