Tetradifon, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678510 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 684513 Fenbutatin oxide, 10.0 µg/ml, Methanol, 10ml Price on request 679088 2,4'-Methoxychlor, 10mg Price on request 50282 QC-21 - ICP Optical Price on request