2,3,3’,4,4’,5’-Hexachlorobiphenyl (157) Back Catalog number: 66157 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended EPA-513CSSA Cleanup Standard Spiking Solution, 1.2ml, nonane Price on request 50454 Nitrate & Nitrite as N Price on request 3175.6-K-IO Ethyl butanoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 105-54-4 Price on request