2,2',4,5'-Tetrachlorobiphenyl (49) Back Catalog number: 66049 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9755.17-250MG iso-Butyl n-pentyl phthalate, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. Price on request 676532 Fenvalerate, 250mg Price on request 673132 2,6-Dichlorprop, 50mg Price on request