2,2',3,3',4,4',6-Heptachlorobiphenyl (171) Back Catalog number: 66171 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681266 3,4-Dichlorophenol, 250mg Price on request 2369.6-K-IO Catechol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 120-80-9 Price on request 676879 2,4-D-butyl ester, 250mg Price on request