2,2’,5,5’-Tetrachlorobiphenyl (52) Back Catalog number: 66052 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended EPA-1613CS1,2,4,5 Individual Calibration Solutions , 500ul, nonane Price on request 11721.12-100-IO 2,3,3',4,5-Pentachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request N0560000 Niclosamide (anhydrous), 50mg Price on request