2,3',4,4',5',6-Hexachlorobiphenyl (168) Back Catalog number: 66168 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10546.16-K-IO 9-Hydroxy-9-n-propylfluorene Price on request 94123 EPA Method 8310 Surrogate Standard Price on request 8688.8-100-AN Vamidothion Price on request