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 8653.14-100-NN 4,4'-DDE-13C12 Price on request 673474 Aldrin, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 70281 Toluene, 1000µg/ml in MeOH, 1ml Price on request