2,2’,5,5’-Tetrachlorobiphenyl (52) Back Catalog number: 66052 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71200 g-Butyrolactone Price on request 81508 Dinoseb methyl ether Price on request 2782.10-100-CY Parathion,100 µg/mL,cyclohexane,1mL, Price on request