2,2’,3,3’,4,4’-Hexachlorobiphenyl (128) Back Catalog number: 66128 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 98774 Phenols Standard #1 Price on request 66044 2,2’,3,5’-Tetrachlorobiphenyl (44) Price on request 83609 Hexanaldehyde-DNPH, 100µg/ml in Acetonitrile, 1ml Price on request