Chlorpyrifos, 100 µg/ml, Ethyl acetate, 5ml Back Catalog number: 673526 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 678464 Paraoxon-methyl, 10 µg/ml, Acetonitrile, 10ml Price on request DF-24-S 2,4-Dichlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 96770 PAH Standard Price on request