Sodium perchlorate monohydrate, 250mg Back Catalog number: 676746 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 9715.12-50-IO 2,3,3',4,4',5,5',6-Octabromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 915039-12-2 Price on request 66049 2,2',4,5'-Tetrachlorobiphenyl (49) Price on request 91424 EPA Method 507 Analyte Mix #10 Price on request