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 50652 200.8Low Intermediate Standard - Parent Price on request 79100 Aroclor 1254 Price on request 1008.3-1ML Trimethylenesulfide, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 287-27-4 Price on request