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 82403 (Use Part# 82423) EPA Method 8240A Mix #3 Price on request 2722.16-K-IO 2-Isopropylthioxanthone, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 5495-84-1 Price on request 9018.7-K-AN N-Nitrosomethylphenylamine, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 614-00-6 Price on request