2,3,3',4,4',5,5'-Heptachlorobiphenyl (189) Back Catalog number: 66189 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673186 Aclonifen, 10.0 µg/ml, Acetonitrile, 10ml Price on request 70287 2,4,6-Tribromophenol Price on request ACQ-AQ05-030 Ethanol standard in water,0.5g/L,water, 3mL Price on request