Metals Mix #1 Back Catalog number: 59618 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682025 Difenzoquat methyl sulfate, 250mg Price on request 0424.32-10MG Cerin acetate, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 17947-01-2 Price on request 677680 Benzo[a]pyrene, 100 µg/ml, Acetonitrile, 1ml Price on request