Toxaphene Congeners (Parlar 26, 50 and 62), 2µg/ml in Nonane, 1,2ml Back Catalog number: ES-5353 Availability: In the manufacturer's stock Price on request - + Recommended 52135 Multi-Element Solution 3 Price on request 680595 3-Hydroxybutyric acid, 100 µg/ml, Acetonitrile, Price on request 10540.17-1G Michler's base Price on request