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 92371 2,4-Dinitrophenol Price on request RTC-ICS006 Chlorite IC Standard, 100ml Price on request 73424 2,3-Dihydrobenzofuran Price on request