Metoprolol acid, 25mg Back Catalog number: 679283 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 10857.20-K-ME Quinine hemisulfate,1000 µg base/mL,MeOH,1mL Price on request MICQC2 Total, Fecal & E. Coli WP IN Price on request 53069 Spiking Standard 1 Price on request