Ibuprofen, 100 µg/ml, Methanol, 1ml Back Catalog number: 681069 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended C10206350 1-Aminonaphthalene, certified, 50mg Price on request 52043 Calibration Standard Mix 1 Price on request 676998 Dimethylpyrazolon (DP), 25mg Price on request