D3-(±)-Naproxen, 100 µg/ml, Methanol, 1ml Back Catalog number: 677719 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended C17850100 Trifluralin D14 (di-n-propyl D14), certified, 10mg Price on request 3440.5-100-AN DL-Methionine Price on request 679772 Dimethametryn, 100 µg/ml, Acetonitrile, 1ml Price on request