4,4'-DDE, 10.0 µg/ml, Ethyl acetate, 10ml Back Catalog number: 673533 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 97536 Caffeine, 100µg/ml in MeOH, 1ml Price on request D480317 3,5-Dinitrosalicylhydrazide-15N2, 1mg Price on request 12021.5-K-ME Methyl methacrylate,1000 µg/mL,MeOH,1mL, Price on request