Promethazine hydrochloride, 250mg Back Catalog number: 679598 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 685532 S421, 100 µg/ml, Acetonitrile, 5ml Price on request 675154 D8-Naphthalene, 10.0 µg/ml, Cyclohexane, 10ml Price on request 93459 MA - EPH n-Hydrocarbon Standard Price on request