Halfenprox, 10.0 µg/ml, Acetonitrile, 10ml Back Catalog number: 674467 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 79242 2,2’-Dinitrodiphenylamine Price on request 70279 Tetrachloroethene Price on request 679665 13C6-Mefenamic acid, 10mg Price on request