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 676973 D5-Metamitron, 5mg Price on request ACQ-AQ50-030 Ethanol standard in water,5.0g/L,water, 3mL Price on request 93948 D-Maltotriose Price on request