2,4'-DDE, 100 µg/ml, Ethyl acetate, 5ml Back Catalog number: 673532 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 79013 4,4’-Dibromooctafluorobiphenyl Price on request 682526 4-Hydroxybenzoic acid, 1000mg Price on request 0290.17-200-T 2-Methylfluoranthene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 33543-31-6 Price on request