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 70287 2,4,6-Tribromophenol Price on request 31121 4-Chlorotoluene Price on request 10614.2-100-ME O,O-Dimethylhydrogenphosphate-13C2 , sodium salt Price on request