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 51039 MA - EPH Fractionation Surrogate Spike Price on request 676595 D4-Folpet, 100 µg/ml, Acetone, 1ml Price on request PCB-SS-A100 Mass-Labelled PCB Solution , 1.2ml x 100ng/ml, nonane Price on request