4,4'-DDE, 100 µg/ml, Ethyl acetate, 5ml Back Catalog number: 673534 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 55013 WS Trace Elements #2 Price on request R414608 Ribitol-1,2,3,4,5-13C5, 5mg Price on request 678296 1-Chloro-2-nitrobenzene, 250mg Price on request