4,4'-DDD, 100 µg/ml, Methanol, 1ml Back Catalog number: 679457 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 70226 3-Nitroaniline Price on request 72327 1,5-Diaminonaphthalene Price on request CA15987120 Perfluorooctane sulfonic acid, 25mg Price on request