2,2',3,3',4',5,6-Heptachlorobiphenyl (177) Back Catalog number: 66177 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11997.12-10MG Tolbutamide-d9 (butyl-d9),neat,neat,10mg, Price on request X9113 Hexachlorobenzene Price on request 59038 High Spike 1 - ICP Price on request