2,3,3',4,4',5'-Hexachlorobiphenyl (157) Back Catalog number: 68157 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PCB-SS-A Mass-Labelled PCB Solution, 1.2ml x 1000ng/ml, nonane Price on request 3194.24-K-IO Ethyl docosanoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 5908-87-2 Price on request 8459.9-100-AN Propanil Price on request