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 94834 CLP Semi-Volatile Calibration Mix #2 Price on request T536805 p-Tolyl Sulfate Potassium Salt, 1g Price on request 677407 Penflufen, 100 µg/ml, Acetonitrile, 1ml Price on request