4,4'-DDD, 250mg Back Catalog number: 677528 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended XA13363010AC Etofenprox D5 (ethyl D5), 100 ng/µl, 1.1ml Price on request 10129.10-50-IO 2,6-Dimethylbenzothiophene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 66142-67-4 Price on request 675294 Parathion-ethyl, 100 µg/ml, Acetonitrile, 5ml Price on request