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 71098 Bromoethane Price on request 678017 Methanol, 5ml Price on request X9202 1,2,4-Trichlorobenzene Price on request