2,3,3',4,4',5'-Hexachlorobiphenyl (157) Back Catalog number: 68157 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 67007 Antibiotics (Fluoroquinolones) Price on request NG-S528-1G POE (15) tallow amine, 1g Price on request 9432.21-100-AN trans-Permethrin (isomer mix) Price on request