Perchlorate (ClO4-), 100µg/mL in Water, 100ml Back Catalog number: 59344 Availability: In the manufacturer's stock Price on request - + Recommended 3746.18-100-ME 9-Chloro- /10-Chlorooctadecanoic acid, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request 95166 Aroclor 1254 Price on request 55025 WP Trace Elements Price on request