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 73167 cis-9-Octadecenoic acid Price on request 94230 Method 8151 Standard Price on request 8913.14-100-T 5-Methyl-2,3',4,4'-tetrachlorodipehnylmethane Price on request