3,3',4,4',5,5'-Hexachlorobiphenyl (169) Back Catalog number: 66169 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 54169 Silica (SiO2) Price on request 676663 Isophorone, 1ml Price on request 676503 3,5-Dimethylphenol, 500mg Price on request