2,2',3,3',4,4',6-Heptachlorobiphenyl (171) Back Catalog number: 63171 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1733.18-K-IO 1,2-Benz[a]anthraquinone, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2498-66-0 Price on request 50110 TOC Calibration Set Price on request 71319 1-Nitropyrene Price on request