2,3,3',4'-Tetrachlorobiphenyl (56) Back Catalog number: 63056 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677868 Tembotrione, 10 µg/ml, Acetonitrile, 10ml Price on request 678311 Dichlofenthion, 10 µg/ml, Acetonitrile, 10ml Price on request 98536 PAH Standard Price on request