2,3,3',4'-Tetrachlorobiphenyl (56) Back Catalog number: 63056 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-1247-S 1,2,4,7-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 3317.12-100-CY Benthiocarb Price on request 674969 Disulfiram, 250mg Price on request