2,2',3,3',4,4',6-Heptachlorobiphenyl (171) Back Catalog number: 63171 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679775 2,4-D-iso-propyl ester, 250mg Price on request 71374 3-tert-Butylphenol Price on request 50472 ICP Mix - 0.1 µg / mL Price on request