CAS 128517-07-7 appears in our catalog under these names: Romidepsin, >95% (HPLC), Romidepsin/ 99.53% (existing batch purity), Romidepsin (FK228, depsipeptide), Romidepsin - Bio-X â„¢, Romidepsin. Offered by: TRC, TargetMol, GLPBio, Biosynth, Ambeed. Available pack sizes: 10mg, 1mg, 5mg, 2mg, 25mg, 50mg, 100mg, 250mg.