2,2’,5,5’-Tetrachlorobiphenyl (52) Back Catalog number: 66052 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680427 2H,2H-Perfluorooctanoic acid, 10mg Price on request 680129 Fenthion-oxon-sulfoxide, 50mg Price on request 673405 Penconazole, 100 µg/ml, Acetonitrile, 5ml Price on request