Perchlorate (ClO4-) Back Catalog number: 59345 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3274.19-K-IO Methyl 9-trans-octadecenoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1937-62-8 Price on request 673097 5,5-Diphenylhydantoin, 250mg Price on request 15900-1901D-100AC Diuron-d6, 100µg/ml in Acetone, 1ml Price on request