2,2',4-Trichlorobiphenyl (17) Back Catalog number: 66017 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended TCDT-83 2,3,7,8-Tetrachlorodibenzothiophene, 1.2ml x 50ug/ml, toluene Price on request 93809 trans-Nonachlor Price on request 90529 Aroclor 1260 Price on request