Chlorpyrifos, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 675397 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended EPA-8290MSS Matrix Spiking Solution, 1.2ml, nonane Price on request 79448 Acetochlor Price on request 672965 Neomycin sulfate, 100mg Price on request