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 3408.15-100-CY Fluazifop Price on request 680852 PCB 95, 10 µg/ml, Isooctane, 10ml Price on request 53145 Method 200.8/1638/1640 Internal Standard Price on request