CAS 28957-04-2 appears in our catalog under these names: Oridonin, Oridonin/ 99.04% (existing batch purity), Oridonine, >98.0%(HPLC), Rubescensin, Oridonin 99%. Offered by: Chemat Brand, TRC, GLPBio, TargetMol, TCI. Available pack sizes: on request, 100mg, 10mg, 200mg, 10mM (in 1ml dmso), 50mg, 500mg, 25mg.