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 674555 3,5,6-Trichloro-2-pyridinole, 100mg Price on request 2562.19-100-ME Sodium p-n-tridecylbenzenesulfonate, 100µg/mL in MeOH, 1ml Price on request 3476.21-100-AN Permethrin Price on request