International USP 467 Back Catalog number: 82455 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2015.12-5MG 2,3',4,4',5,5'-Hexachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 52663-72-6 Price on request 50725 ICP Mix #8 Price on request 92424 Chlorinated Standard Price on request