2,2’,5,5’-Tetrachlorobiphenyl (52) Back Catalog number: 66052 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679711 Dichloroisoeverninic acid, 10mg Price on request 71304 Di-n-hexyl phthalate Price on request 1349.20-100-T Benzo[k]fluoranthene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 93952-01-3 Price on request