2,3,3',4'-Tetrachlorobiphenyl (56) Back Catalog number: 63056 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10483.15-100-EA Metalaxyl-M Price on request 676457 Salicylaldehyde, 1ml Price on request 79379 Benzo(a)pyrene Price on request