Chlorthiophos, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678278 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended N-12509-1G n-Amyl alcohol (1-Pentanol), 1g Price on request 60040 Canadian Organophosphorus Pesticides Price on request 97958 Method 525.2 Solution B Price on request