2,4'-DDE, 100 µg/ml, Methanol, 1ml Back Catalog number: 679458 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 672923 Propineb, 250mg Price on request 54504 Nitrite (NO2-) as N Price on request 681916 Prallethrin, 100 µg/ml, Acetonitrile, 5ml Price on request