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 2042.8-10MG n-Perfluorooctanoic acid Price on request 34581 Pentachlorobenzene Price on request 676322 Ibuprofen, 250mg Price on request