2',3,4,4',5-Pentachlorobiphenyl (123) Back Catalog number: 66123 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72766 Decanoic acid Price on request 93506 BHA & BHT Mix #2 Price on request DF-IS-B Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request