2,2',3,3',4,4',6-Heptachlorobiphenyl (171) Back Catalog number: 63171 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1011.4-1G 1,3-Dithiane, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 505-23-7 Price on request 95113 n-Hydrocarbon Standard - EPH Price on request 93927 Semi-Volatile Surrogate Standard Price on request