2,2',4,4',5-Pentachlorobiphenyl (99) Back Catalog number: 66099 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 52070 Spiking Standard #2 Price on request 8358.12-50-IO 5,5'-Difluoro-3,3',4,4'-tetrachlorobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 59811 Hexavalent Chromium (Cr +6) Price on request