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 91816 Surrogate Standard Price on request 3847.6-K-IP Resorcinol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 108-46-3 Price on request 32641 1,2-Dichlorotrifluoroethane Price on request