2,2’,3,3’,4,4’-Hexachlorobiphenyl (128) Back Catalog number: 63128 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79310 Propachlor Price on request 10115 CLP Semi-Volatiles Toxic Substances #2 Price on request 684222 N-Nitrosoethylmethylamine, 100 µg/ml, Methanol, Price on request