Naproxen Back Catalog number: 2538.14-K-ME Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 70593 Chlorpyrifos methyl Price on request 2233.17-2-AN Aflatoxin B1, 2µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 1162-65-8 Price on request PN-50S 1,2,3,4,6-Pentachloronaphthalene, 1.2ml x 50ug/ml, nonane Price on request