2,3,3',4'-Tetrachlorobiphenyl (56) Back Catalog number: 63056 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676673 D7-Atenolol, 5mg Price on request 676890 Sulfaclozine sodium, 100mg Price on request 1578.23-25MG Pholcodine-N-oxide 1, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 433308-89-5 Price on request