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 679790 Salicylic acid, 250mg Price on request 675296 Benzene, 100 µg/ml, Methanol, 5ml Price on request PBBZ Pentabromobenzene, 1.2ml x 50ug/ml , toluene Price on request