Vitamin B12 (Cyanocobalamin), 100mg Back Catalog number: 680414 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 51065 ASTM D-4815 Calibration Mix #2 Price on request 684991 2,2'-Dihydroxy-4,4'-dimethoxybenzophenone-5,5'-dis Price on request 1317.18-10-T 3-Fluorochrysene, 10µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 36288-22-9 Price on request