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 72412 beta-D-Lactose Price on request 676603 Ethanethiol, 1ml Price on request 95649 Alcohol Standard Price on request