2,2',3,3',4',5,6-Heptachlorobiphenyl (177) Back Catalog number: 66177 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70993 3-Methylpentane Price on request 676923 1,2,5,6,9,10-Hexabromocyclododecane, 250mg Price on request 96574 5?-Cholestane Price on request