Hexavalent Chromium (Cr +6) Back Catalog number: 50093 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3427.15-100 Isofenphos, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 25311-71-1 Price on request 10930.19-K-IO n-Butyltri-n-pentyltin,1000 µg/mL,isooctane,1mL, Price on request 73383 4-Nitrodiphenylamine Price on request