Disulfoton, 10.0 µg/ml, Acetonitrile, 10ml Back Catalog number: 673264 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 675397 Chlorpyrifos, 100 µg/ml, Acetonitrile, 5ml Price on request DF-12478-S 1,2,4,7,8-Pentachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 73647 n-Butane Price on request