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 HPCHLOR-NEP Heptachlor-endo-epoxide (isomer A), 1.2mL x 100ug/mL, nonane Price on request 1534.20-K-TX5 Perylene-d12, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1520-96-3 Price on request 10442.25-10MG Winstray L Price on request