Hexavalent Chromium (Cr 6+) Back Catalog number: 54161 Availability: In the manufacturer's stock Price on request - + Recommended 72068 Dibenzothiophene-d8 Price on request 71346 4-Ethylheptane Price on request 8641.12-50-T 1,3-Dichlorodibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request