Metoprolol tartrate, 250mg Back Catalog number: 676328 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 30108 EPA Method 552.2 - Surrogate Standard Price on request 677916 Mefenacet, 10 µg/ml, Acetonitrile, 10ml Price on request 71232 1,2-Dichlorotetrafluoroethane Price on request