2,2',3,3',4',5,6-Heptachlorobiphenyl (177) Back Catalog number: 63177 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 31241 EPA Method 531.1 Individual Analytes Price on request 71474 2-Chloroacetophenone Price on request 2835.7-50-ME 7H-Perfluoroheptanoic acid, 50µg/ml in MeOH, 1ml Price on request