2,2’,3,5,6,6’-Hexachlorobiphenyl Back Catalog number: 66152 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended B-250S Dow FR-250, 100µg/ml in Isooctane, 1ml Price on request 90733 3,3'-Dimethylbenzidine Price on request 79400 Butyric acid Price on request