4,4'-DDD, 10.0 µg/ml, Ethyl acetate, 10ml Back Catalog number: 673529 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 71576 2-Chlorophenol-PFB derivative Price on request 70833 Siduron Price on request 50182 Mix #1 Price on request