2,2',4,5'-Tetrachlorobiphenyl (49) Back Catalog number: 66049 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C15970000 Pentachlorophenol, certified, 0.1g Price on request C10726400 Bromodichloroacetic acid, 10mg Price on request 10294.5-100-ME N-Nitroso-L-proline Price on request