2,3,3’,4,4’,5’-Hexachlorobiphenyl (157) Back Catalog number: 66157 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C13662100 Flonicamid, certified, 25mg Price on request BB-75 2,4,4',6-Tetrabromobiphenyl, 1.2ml x 50ug/ml, nonane Price on request 92253 Ethanol Price on request