2,3,4,4'-Tetrachlorobiphenyl (60) Back Catalog number: 66060 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72085 Methoprene Price on request 673650 Paraoxon-methyl, 100 µg/ml, Ethyl acetate, 5ml Price on request 71634 Fenbutatin-oxide Price on request