CAS 34157-83-0 appears in our catalog under these names: Celastrol, >95% (HPLC), Celastrol (>85%), >95% (HPLC), Celastrol, Celastrol, 98.00%, Celastrol, >98.0%(HPLC). Offered by: TRC, GLPBio, Chemat, Biosynth, TCI. Available pack sizes: 10mg, 5mg, 100mg, 50mg, 10mM (in 1ml dmso), 25mg, 500MG, 250mg.