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 57381 Thallium (Tl) Price on request 9267.22-25-AN U{13C22}-Roquefortine C, 25µg/mL, Solvent-acetonitrile, Unit 1.2mL, # of units-1, Cas.no. Price on request C15588500 Nitromide, 250mg Price on request