2,2',3,3',4',5,6-Heptachlorobiphenyl (177) Back Catalog number: 66177 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended D226200 Dechlorane 602, 5mg Price on request 13100.5-10MG Chlormequat-1,1,2,2-d4 chloride, 10mg Price on request 95640 Nitrosamines Standard Price on request