Mefenacet, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 677915 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 59640 Metals Mix #2 Price on request MICQC6 WS (drinking water) Quantitative E.Coli - QC Price on request 59265 Hydrazine (N2H4) Price on request