2,2’,4,4’-Tetrachlorobiphenyl Back Catalog number: 63047 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11100.12-10MG 2,5-Dimethyl-1-phenylpyrrole,neat,neat,10mg, Price on request DF-IS-B40 Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request 71781 N,N’-bis(1,4-Dimethylpentyl)-1,4-phenylenediamine Price on request