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 95535 Toluene Price on request 684122 Benzofenap, 100 µg/ml, Cyclohexane, 1ml Price on request 79045 gamma-BHC Price on request