2,2',3,4,4',5-Hexachlorobiphenyl (137) Back Catalog number: 66137 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681819 2-Methyl-1,2-benzisothiazolin-3-one, 25mg Price on request 31441 Dioxacarb Price on request 674511 D3-Mepiquat iodide, 100 µg/ml, Deuterium oxide, Price on request