2,2',3,4,4',5,5',6-Octachlorobiphenyl (203) Back Catalog number: 66203 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92198 Pesticides + Surrogates Price on request 71566 2,6-Dichlorophenol-PFB derivative Price on request 678966 Pyrene, 50mg Price on request