PSA-GCB-Mix 3 Back Catalog number: 675412 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 94509 EPA Method 8151 Standard Price on request 680983 Metoprolol tartrate, 100 µg/ml, Methanol, 1ml Price on request 12170.2-2K-ME Acetic acid-13C2,2000 µg/mL,MeOH,1mL, Price on request