2,3,4,4'-Tetrachlorobiphenyl (60) Back Catalog number: 66060 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 73497 2,4,6,8-Tetramethyl-2,4,6,8-tetraazabicyclo[3.3.0]-3,7-oxandione Price on request 35741 3-Hydroxycarbofuran Price on request 79014 Trifluralin Price on request