2,3',4,4',5',6-Hexachlorobiphenyl (168) Back Catalog number: 66168 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C12170000 Desmetryn, 250mg Price on request 59974 ICP-MS Calibration Standard #3 Price on request 682730 4,4'-MDI, 1000mg Price on request