4,4'-DDE, 100mg Back Catalog number: 674983 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 38135 CWA Organophosphorous Pesticides Price on request 673204 Atrazine-desethyl, 10.0 µg/ml, Acetonitrile, 10m Price on request 0887.13-500-IO 4-Methyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 7372-88-5 Price on request