2,3,3',4,4',5,5'-Heptachlorobiphenyl (189) Back Catalog number: 66189 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PLAS-AX-079N Irganox 1425 WL, 50mg Price on request 9900.23-10MG Glycidyl gondolenate, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. Price on request 4M163 2,3,3',4',5,6-Hexachloro-4-methoxybiphenyl, 1.2ml x 50ug/ml, nonane Price on request