Hexavalent Chromium (Cr 6+) Back Catalog number: 54161 Availability: In the manufacturer's stock Price on request - + Recommended 97487 Phthalate Standard Price on request 2355.72-100-ME Tetraoctadecylammonium bromide, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 63462-99-7 Price on request 682867 Clethodim-sulfone, 5mg Price on request