4,4'-DDD, 100 µg/ml, Ethyl acetate, 5ml Back Catalog number: 673530 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 682464 2,5-Hexanedione, 1000mg Price on request 677937 D12-Benzo[a]pyrene, 10.0 µg/ml, Cyclohexane, 10m Price on request 675017 Acetate Mix suitable for 2007.01 per AOAC Price on request