2,3,3',4,4',5'-Hexachlorobiphenyl (157) Back Catalog number: 68157 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59980 Anions Mix Price on request 79120 Butachlor Price on request 1022.24-K-IOX5 n-Tetracosane-d50, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 16416-32-3 Price on request