Hexavalent Chromium (Cr 6+) Back Catalog number: 54161 Availability: In the manufacturer's stock Price on request - + Recommended 79861 Clopyralid (Lontrel), 1000µg/ml in Acetonitrile, 1ml Price on request H0931 4-Hydroxy-1-(2-hydroxyethyl)-2,2,6,6-tetramethylpiperidine Price on request 70399 3-Chlorophenol Price on request