D4-Ketoprofen, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 676642 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 94841 Acids Calibration Level 4 Price on request 79006 Acrylamide, 1000µg/mL in MeOH, 1ml Price on request 35741 3-Hydroxycarbofuran Price on request