2,3,3',4,4',5,5'-Heptachlorobiphenyl (189) Back Catalog number: 66189 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 73547 Chlormephos Price on request 9651.32-5UG (22RS)-30-Bishomohop-21(22)-ene, neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no. Price on request 10574.4-100MG Triethyltin chloride Price on request