beta-HCH, 100 µg/ml, Methanol, 1ml Back Catalog number: 680443 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 1790.20-1MG 3-Aminobenzo[e]pyrene, neat, Solvent-neat, Unit 1mg, # of units-1, Cas.no. 120014-98-4 Price on request 95592 Internal Standard Price on request 675757 Disulfoton-sulfoxide, 100 µg/ml, Acetonitrile, 5 Price on request