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 673952 Parathion-methyl, 100 µg/ml, Acetonitrile, 5ml Price on request 95115 Methyl tert-butyl ether Price on request 675338 1-(4-Chlorophenyl)urea, 100mg Price on request