2,2’,3,3’,4,4’-Hexachlorobiphenyl (128) Back Catalog number: 63128 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 52052 Mixed Calibration Kit Price on request 79158 N-Nitrosodi-n-propylamine Price on request 3721.6-K-IP 2,3-Dibromophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 57383-80-9 Price on request