2,3,4,4',5,6-Hexachlorobiphenyl (166) Back Catalog number: 66166 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66204 PCB No. 204, 100µg/ml in Isooctane, 1ml Price on request 675139 Carfentrazone-ethyl, 10.0 µg/ml, Acetonitrile, 1 Price on request 673859 Acifluorfen, 10.0 µg/ml, Acetonitrile, 10ml Price on request