2,3,3',4,4',6-Hexachlorobiphenyl (158) Back Catalog number: 66158 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 20041 GPC Calibration Mix #1 Price on request 680343 Pyrazoxyfen, 100 µg/ml, Acetonitrile, 1ml Price on request 676228 Parathion-methyl, 100 µg/ml, Toluene, 1ml Price on request