2,3,3’,4,4’,5’-Hexachlorobiphenyl (157) Back Catalog number: 66157 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50460 Copper AA Standard (Cu) Price on request 58080 Mercury (Hg) Price on request 674800 D4-Sulfamethoxazole, 10mg Price on request