2,2',3,3',4,5,6'-Heptachlorobiphenyl (174) Back Catalog number: 63174 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673778 2,4-DB-methyl ester, 10.0 µg/ml, Ethyl acetate, Price on request 3434.12-100-CY MCPB-methyl ester Price on request 2030.12-50-NN 1-Chlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL, Price on request