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 C15085000 Methylcyclohexane, certified, 1ml Price on request 1996.10-50-IO 1,5-Dichloronaphthalene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 1825-30-5 Price on request 70043 Triethyl phosphate Price on request