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 681824 Didecyldimethylammonium chloride, 100 µg/ml, Acet Price on request 97277 SVOC Standard Price on request 96602 Sertraline HCl, 100µg/ml in MeOH, 1mlSertraline Price on request