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 79320 Endosulfan II Price on request 673538 4,4'-DDT, 100 µg/ml, Ethyl acetate, 5ml Price on request 92749 Hexafluorobenzene Price on request