N4-Phthalylsulfathiazole, certified, 0.25g Back Catalog number: C16190550 Availability: In the manufacturer's stock Price on request - + Recommended C0100000 Caffeine, EP Reference standard, 70mg Price on request 684735 Sotalol HCl, 100µg/ml in Acetonitrile, 1ml Price on request 687749 Venlafaxine hydrochloride, 25mg Price on request