Chlorpyrifos, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 675397 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 54116 Acetic Acid (C2H4O2), 1000µg/mL in Water, 100ml Price on request 673234 Clofentezine, 10.0 µg/ml, Acetonitrile, 10ml Price on request 30141R Aldicarb Price on request