2,2',3,4,4',5',6-Heptachlorobiphenyl (183) Back Catalog number: 66183 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59832 Metals Mix #2 Price on request 10920.31-500MG Vitamin E acetate (Synthetic),neat,neat,500mg Price on request 38332 WI DRO Price on request