Napropamide, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678444 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 94842 Acids Calibration Level 5 Price on request 98516 BTEX (5.0 µg/mL) Price on request 96029 Chlorinated Pesticide Standard Price on request