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 678015 Trichlorfon, 100 µg/ml, Toluene, 1ml Price on request 71823 1-Chloro-3,4-dinitrobenzene Price on request 94132 BTEX Standard Price on request