2,2’,3,4’,5,5’,6-Heptachlorobiphenyl (187) Back Catalog number: 66187 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10439.9-K-ME Ethenzamide Price on request 80102 bis(2-Chloroethoxy) methane Price on request 71330 Ethylcyclopentane Price on request