Hexavalent Chromium (Cr 6+) Back Catalog number: 54161 Availability: In the manufacturer's stock Price on request - + Recommended 1021.20-K-IOX10 n-Eicosane-d42, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 62369-67-9 Price on request 54022 Sodium Perchlorate (18O4) Price on request DF-1248-S 1,2,4,8-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request