CAS 2152-44-5 appears in our catalog under these names: Betamethasone 17-Valerate, Betamethasone 17-Valerate, >95% (HPLC), Betamethasone 17a-valerate, Betamethasone Valerate (Betamethasone 17-Valerate), Betamethasone valerate/ 99.12% (existing batch purity). Offered by: Chemat Brand, TRC, Dr. Ehrenstorfer, Mikromol, LoGiCal. Available pack sizes: on request, 1g, 25mg, 50mg, 100mg, 250mg, 10mg, 10mM (in 1ml dmso).