Silver (Ag) Back Catalog number: 56247 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2859.9-50-ME 1H,1H,2H,3H-Perfluoronon-2-en-1-ol , 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 38550-47-9 Price on request B203560 Benzo[k]fluoranthene, 100mg Price on request 3323.23-100-AN Bifenthrin Price on request