3,3',4,4',5,5'-Hexachlorobiphenyl (169) Back Catalog number: 66169 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675191 D6-Dimethoate, 10mg Price on request 676687 Feruloylputrescine, 10mg Price on request 58034 Selenium (Se) Price on request