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 681070 Ketoprofen, 100 µg/ml, Methanol, 1ml Price on request 59397 Metals Mix #3 Price on request MBP-CG Mass-Labelled Mono to Decachloro PCB Solution/Mixture, 1.2ml, nonane Price on request