CAS 22888-70-6 appears in our catalog under these names: Silybin A, Silybin A, >95% (HPLC), Silibinin, Silibinin/ 99.76% (existing batch purity), Silybin. Offered by: Chemat Brand, TRC, GLPBio, TargetMol, Biosynth. Available pack sizes: on request, 10mg, 1mg, 20mg, 10mM (in 1ml dmso), 50mg, 100mg, 10g.