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 59828 Metals Mix #1 High Conc. Price on request 79255 2,4-D Price on request 72896 1-Bromo-3-chloropropane Price on request