Proquinazid, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 675248 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 3705.9-65-05HC Descarbamoylsaxitoxin, 65µM, Solvent-3mM HCl, Unit 0.5mL, # of units-1, Cas.no. Price on request 50682 ICP-OES EPA 200.7 Calibration Standard Price on request 79252 EPA Method 8330 Analyte Price on request