2,3,3',4'-Tetrachlorobiphenyl (56) Back Catalog number: 63056 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 54533 Ammonium (NH4+) Price on request 43020 2-Fluorophenol Price on request 8646.12-50-T 1,2,3,4,7-Pentachlordibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request