D3-Ibuprofen, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 676976 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 1127.17-100-T 3-Nitrobenzanthrone, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 17117-34-9 Price on request 673705 Tetradifon, 10.0 µg/ml, Ethyl acetate, 10ml Price on request DF-1247-S 1,2,4,7-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request