2,2',3,3',4,4',6-Heptachlorobiphenyl (171) Back Catalog number: 66171 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95420 ASTM D6584 Standard Set Price on request 10480.8-10MG 2-Methiopropamine Price on request 677873 D6-Phenol, 1000mg Price on request