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 680614 Dibutyl maleate, 250mg Price on request 51255 COD Calibration Standard Price on request BRPS Native Bromophenol Solution/Mixture, 1.2ml, toluene Price on request