Chlorpyrifos-methyl, 250mg Back Catalog number: 677939 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 678310 Phorate-oxon-sulfone, 100 µg/ml, Acetonitrile, 1 Price on request 684311 D10-N-Nitrosodiethylamine, 100µg/ml in MeOH, 5ml Price on request 682066 2,4-Dichloroaniline, 100 µg/ml, Methanol, 5ml Price on request