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 79272 2,6-Diaminotoluene Price on request 59147 AA Mix Stock 1 Price on request 92787 EPA Method 8081A Pesticide Standard A Price on request