CAS 523-59-1 appears in our catalog under these names: Seselin, Seselin, >95% (HPLC), Seselin/ 100%, Seselin 99%, Seselin, 99%, 99%. Offered by: GLPBio, TRC, TargetMol, Biosynth, Ambeed. Available pack sizes: 1mg, 5mg, 10mg, 2mg, 25mg, 50mg, 100mg, 250mg.