CAS 1214886-31-3 appears in our catalog under these names: 4-oxo-27-TBDMS Withaferin A, 4–oxo–27–TBDMS Withaferin A, 27-TBDMS-4-Dehydrowithaferin A. Offered by: TargetMol, GLPBio, Biosynth, MedChemExpress. Available pack sizes: 1mg, 5mg, 10mg, 25mg, 50mg, 1 mg.