Malathion, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678439 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 54558 Potassium (K) Price on request 82403 (Use Part# 82423) EPA Method 8240A Mix #3 Price on request NIST-1649B Urban dust - Organic contaminants, 2g Price on request