4,4'-DDE, 10.0 µg/ml, Ethyl acetate, 10ml Back Catalog number: 673533 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 91833 WS Benzo(a)pyrene - Cal Check Price on request 71884 Fenchone Price on request 682387 Ipronidazole, 100 µg/ml, Methanol, 5ml Price on request