CAS 19536-25-5 appears in our catalog under these names: 2–O–Acetyl–20–hydroxyecdysone, 2-O-Acetyl-20-hydroxyecdysone/ 99.88% (existing batch purity), 20-hydroxyecdysone, 2-acetate, 2-O-Acetyl-20-hydroxyecdysone, 99.61%. Offered by: GLPBio, TargetMol, Chemat, MedChemExpress. Available pack sizes: 5mg, 1mg, 10mg, 25mg, 50mg, 100mg, 10 mg, 1 mg.