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 2496.14-100MG Di-n-heptyltin dichloride, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 74340-12-8 Price on request 53155 CLP Calibration Standard Price on request 83584 3,5-Dichlorobenzoic acid Price on request