Napropamide, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678444 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 681386 Paraoxon-ethyl, 100mg Price on request 674823 Isoproturon, 100mg Price on request M10030B 12.880 µS/cm conductivity solution (box of 25x20mL sachet) Price on request