2,2',4,5'-Tetrachlorobiphenyl (49) Back Catalog number: 66049 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended ACQ-SE15-030 Ethanol standard in serum,1.5g/L,serum, 3mL Price on request 674826 Fenamiphos-sulfone, 50mg Price on request 8944.7-100-AN 2,6-Dichlorobenzonitrile Price on request