2,3,3',4,4',5'-Hexachlorobiphenyl (157) Back Catalog number: 68157 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93511 WS Chlorinated Pesticide Amp 1 - Cal Check Price on request 1790.20-1MG 3-Aminobenzo[e]pyrene, neat, Solvent-neat, Unit 1mg, # of units-1, Cas.no. 120014-98-4 Price on request 10619.15-100-ME Metolachlor ethyl sulphonic acid sodium salt, 100µg/ml in MeOH, 1ml Price on request