3,4,6,7-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Back Catalog number: DF-3467-S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 66056 2,3,3',4'-Tetrachlorobiphenyl (56) Price on request 11021.32-5UG 2?-Ethyl-18?(H)-Oleanane,neat,neat,Ca. 5 µg, Price on request BB-80 3,3',5,5'-Tetrabromobiphenyl, 1.2ml x 50ug/ml, nonane Price on request