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 2252.18-10-2AN Zearalanone (Certified Reference Material),10.02 µg/mL,acetonitrile,2mL, Price on request DEC-601 Dechlorane 601, 1.2ml x 50ug/ml, toluene Price on request 676499 3-Methyl-4-(methylsulfonyl)phenol, 25mg Price on request