2,2',3,3',4,6,6'-Heptachlorobiphenyl Back Catalog number: 66176 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50232 Mix #2 Price on request N676002 Norethindrone-2,2,4,6,6,10-d6, 2,5mg Price on request 91819 Quinoxaline-2-carboxylic acid Price on request