Naproxen Back Catalog number: 2538.14-K-ME Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 98537 Hydrocarbon Standard Price on request 9228.13-50-ME 1H,1,H,2H,2H-Perfluorodecyl acrylate, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 27905-45-9 Price on request 2329.10-K-HX 2-Isopropyl-1-methylbenzene (o-Isopropyltoluene), 1000µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 527-84-4 Price on request