CAS 747-90-0 appears in our catalog under these names: Cholesta-3,5-Diene, Cholesta-3,5-diene, >95% (HPLC), 3,5-Cholestadiene, Cholesta–3,5–diene, CHOLESTA-3,5-DIENE, >=93% (HPLC). Offered by: Chemat Brand, TRC, Dr. Ehrenstorfer, GLPBio, Biosynth. Available pack sizes: on request, 10mg, 25mg, 50mg, 100mg, 250mg, 10 mg, 5 mg.