Perchlorate (ClO4-), 100µg/mL in Water, 100ml Back Catalog number: 59344 Availability: In the manufacturer's stock Price on request - + Recommended 1809.16-K-IO 1,8-Bis(hydroxymethyl)anthracene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 34824-20-9 Price on request XA11940000AL 2,4-D, 100µg/mL in Acetonitrile, 1ml Price on request 66002 PCB No. 2, 100µg/ml in Isooctane, 1ml Price on request