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 66149 2,2',3,4',5',6-Hexachlorobiphenyl (149) Price on request 79894 Tetrachloro-m-xylene Price on request 676406 Metazachlor ESA sodium salt, 10.0 µg/ml, Acetonit Price on request