4,4'-DDD, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678378 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 674458 Ethoxyquin HCl, 250mg Price on request 79291 4,4’-DDE Price on request 59982 ICP Mix Price on request