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 55163 WP Inorganic Waste Water Kit Price on request 52328 Trace Elements #4 Price on request 680568 D6-Benzene, 2000 µg/ml, Methanol, 1ml Price on request