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 X9061 1,2-Dibromo-3-chloropropane Price on request 71116 Cyanofenphos Price on request 50332 EPA Method 300.0 Anions QC Standard Price on request