4,4'-DDE, 100 µg/ml, Toluene, 5ml Back Catalog number: 675841 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 71969 Isopropyl methylphosphonic acid Price on request 72771 1-Bromopropane Price on request 678089 EPN, 100 µg/ml, Acetonitrile, 1ml Price on request