1,2,3,4,6,7-Hexachloronaphthalene, 50µg/ml in nonane, 1,2ml Back Catalog number: PN-66S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 677883 Desmethoxy-metobromuron, 10mg Price on request 63129 2,2’,3,3’,4,5-Hexachlorobiphenyl (129) Price on request 675990 DMST, 100 µg/ml, Cyclohexane, 5ml Price on request