Naproxen, 100 µg/ml, Methanol, 1ml Back Catalog number: 680986 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 59056 ICP Spike Mix Price on request 8542-K-ME Tallow trimethyl ammonium chloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request 12144.17-100-ME Flutolanil,100 µg/mL,MeOH,1mL, Price on request