2,2',3,4,4',5-Hexachlorobiphenyl (137) Back Catalog number: 66137 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682507 Orphenadrine hydrochloride, 100mg Price on request 72099 L-(+)-Arabinose Price on request 32411 Tetrachloroethene Price on request