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 678353 cis-1,2,3,6-Tetrahydrophthalimide, 100 µg/ml, Eth Price on request 71419 cis-1,3-Dichloro-1-propene Price on request 30103 EPA Method 551.1 Internal Standard Price on request