2,3,3',4,4',5'-Hexachlorobiphenyl (157) Back Catalog number: 68157 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50248 Tuning Solution High Concentration Price on request 10614.2-100-ME O,O-Dimethylhydrogenphosphate-13C2 , sodium salt Price on request 680035 Zearalenone-14-O-beta-glucoside, 10mg Price on request