Hexavalent Chromium (Cr +6) Back Catalog number: 54175 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66174 2,2',3,3',4,5,6'-Heptachlorobiphenyl (174) Price on request C20591500 Benzo(b)furan, certified, 25mg Price on request 0699.30-100-IO Hop-21(22)-ene (17ß(H)), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1615-92-5 Price on request