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 RS347-204 RS347-204 TOLUENE Price on request 10294.5-100-MEX5 N-Nitroso-L-proline Price on request 1020.16-K-IO n-Hexadecane-d34, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 15716-08-2 Price on request