4,4'-DDE, 100 µg/ml, Toluene, 5ml Back Catalog number: 675841 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 3746.18-100-ME 9-Chloro- /10-Chlorooctadecanoic acid, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request 50330 Cation Mix #1 Price on request 71280 Piperonyl butoxide, 1000µg/ml in MeOH, 1ml Price on request