2,2',3,3',4,4',6-Heptachlorobiphenyl (171) Back Catalog number: 66171 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679459 4,4'-DDE, 100 µg/ml, Methanol, 1ml Price on request 678413 Fenson, 100 µg/ml, Acetonitrile, 5ml Price on request 60039 Canadian Drinking Water Chlorinated Pesticides Price on request