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 677645 Sulfachloropyridazine, 100 µg/ml, Acetonitrile, Price on request 673714 Triadimefon, 100 µg/ml, Ethyl acetate, 5ml Price on request 676859 Anilofos, 100mg Price on request