3,3',4,4',5,5'-Hexachlorobiphenyl (169) Back Catalog number: 66169 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 54543 Calcium Hardness Price on request 93941 Volatile Mix 2-B Price on request 682216 Metribuzin-desamino-diketo, 100 μg/ml, Acetonitrile, 1ml Price on request