2,2’,4,4’,5,5’-Hexachlorobiphenyl (153) Back Catalog number: 66153 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-2347-S 2,3,4,7-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 676879 2,4-D-butyl ester, 250mg Price on request 9193.19-100-ME Nortriptyline-d3 hydrochloride (N-methyl-d3), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 203784-52-5 Price on request