Naproxen, 100 µg/ml, Methanol, 1ml Back Catalog number: 680986 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 50197 ICP-MS Calibration Standard Price on request 1607.13-10MG 4-Fluorodiphenylmethane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 587-79-1 Price on request 8774.9-10MG Tris(2-chloropropyl)phosphate, neat, Solvent-neat, Unit 10MG, # of units-1, Cas.no. 6145-73-9 Price on request