Description1 Back Catalog number: PART # Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50259 Anion Mix Price on request 66119 2,3',4,4',6-Pentachlorobiphenyl (119) Price on request DF-1347-S 1,3,4,7-Tetrachlorodibenzofuran , 1.2ml x 50ug/ml, nonane Price on request