2,2’,3,3’,4,4’-Hexachlorobiphenyl (128) Back Catalog number: 66128 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8577.X-K-W Triton X-114 Price on request 10849.16-10MG D-Propranolol hydrochloride Price on request DF-IS-I Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request