2,3,3’,4,4’,5’-Hexachlorobiphenyl (157) Back Catalog number: 66157 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676971 Dimethenamid OA, 100 µg/ml, Acetonitrile, 1ml Price on request 52033 Calibration Standard Mix 1 Price on request 684250 Carfentrazone (free acid), 10mg Price on request