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 681011 Saflufenacil Metabolite M800H35, 10mg Price on request 55122 WS Minerals Mix #1 Price on request 677364 Fluoranthene, 100 µg/ml, Cyclohexane, 1ml Price on request