Hexavalent Chromium (Cr 6+) Back Catalog number: 54161 Availability: In the manufacturer's stock Price on request - + Recommended BDE-154S 2,2',4,4',5,6'-Hexabromodiphenyl ether,50µg/ml,1ml Price on request 2499.13-50-IO 3-Methyldibenzothiophene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16587-52-3 Price on request 11882.9-100G Di-n-butyl-carbonate,neat,neat,100g, Price on request