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 32041 Bromodichloromethane Price on request 59800 Lead (Pb) Price on request 2314.9-100-AN Monuron Price on request