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 3323.23-100-CY Bifenthrin Price on request 10329.17-100-ME Norcocaine-13C6 hydrochloride Price on request 52187 Internal Reference Standard Price on request