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 677770 Dimethipin, 100 µg/ml, Methanol, 1ml Price on request 50753 Custom Metals Mix Price on request 676693 Dimethenamid, 100 µg/ml, Methanol, 1ml Price on request