Proquinazid, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 675248 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 8226.6-100-CY Desmetryne Price on request 93256 EPA Method 8260 C-19 Standard Price on request 8499.12 Aminophenylsulfone, , Solvent-, Unit , # of units-, Cas.no. Price on request