2,2',3,3',4,5,5',6-Octachlorobiphenyl (198) Back Catalog number: 66198 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-A40 Mass-Labelled PCDD Internal Standard Solution, 1.2ml x 40ng/ml, nonane Price on request 34351 1,2,3-Trichlorobenzene Price on request 678668 N-Ethyl-o-toluidine, 250mg Price on request