1-Naphthyl acetic acid-ethyl ester, 250mg Back Catalog number: 681349 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 680390 D14-Methoxychlor, 10mg Price on request 675708 4-Nonylphenol-di-ethoxylate, 10.0 µg/ml, Acetone, Price on request 674813 Bifenox, 100 µg/ml, Acetonitrile, 5ml Price on request