2',3,4,4',5-Pentachlorobiphenyl (123) Back Catalog number: 66123 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10009 Internal Std., 4000µg/ml Methylene Chloride, 1ml Price on request 71261 2,2-Dichloro-1,1,1-trifluoroethane Price on request 94849 Solution #2 Price on request