18O4-Sodium perchlorate, 5mg Back Catalog number: 674916 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 678145 1,2,3,5-Tetrachlorobenzene, 250mg Price on request 1356.6-10-CY Hexachlorobenzene,10 µg/mL,cyclohexane,1mL, Price on request 2225.12-100-IO 3'-Fluoro-2,4,6-trichlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 876009-91-5 Price on request