2,2',3,3',4,5,6'-Heptachlorobiphenyl (174) Back Catalog number: 66174 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2727.6-K-MEX5 Hexachlorobenzene-13C6 Price on request 43015 2-Fluoronaphthalene Price on request SCP150-021-011 CONOSTAN Standard S-21, 500 ppm, 100g Price on request