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 679971 Tridemorph, 10.0 µg/ml, Isooctane, 10ml Price on request X9121 Isobutanol Price on request 71246 Diphenyl phthalate Price on request