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 93185 Internal Standard Price on request 50474 ICP Mix - 0.01 µg / mL Price on request 1139.19-K-ME n-Nonadecane Price on request