Hexavalent Chromium (Cr 6+) Back Catalog number: 56161 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2358.4-100-ME Tetramethylammonium bromide, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 64-20-0 Price on request 34531 trans-2-Pentene Price on request 55140 CWA Color Price on request