Naproxen, 250mg Back Catalog number: 673089 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 3250.18-K-IO 9-cis,11-trans-Octadecadienoic acid , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2540-56-9 Price on request 678334 Butylate, 100 µg/ml, Ethyl acetate, 1ml Price on request 675387 2-Methylnaphthalene, 10.0 µg/ml, Acetonitrile, 1 Price on request