2,3,3',4'-Tetrachlorobiphenyl (56) Back Catalog number: 63056 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C10090000 Aldrin, 250mg Price on request 71280 Piperonyl butoxide, 1000µg/ml in MeOH, 1ml Price on request 678122 D8-9,10-Anthraquinone, 100 µg/ml, Acetonitrile, Price on request