Perchlorate (ClO4-), 100µg/mL in Water, 100ml Back Catalog number: 59344 Availability: In the manufacturer's stock Price on request - + Recommended 79633 Pentachloronitrobenzene, 1000µg/ml in Acetonitrile, 1ml Price on request 2129.12-K-IOX5 Arochlor 1260 , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 11096-82-5 Price on request 78015 2,4,5-T Price on request