1,2,3,4,5,6,7-Heptachloronaphthalene,,,, Back Catalog number: 11787.10 Manufacturer: CHIRON AS Availability: In the manufacturer's stock Price on request - + Recommended 2000.12-10MG 2,2',5,5'-Tetrachlorobiphenyl,neat,neat,10mg, Price on request 92060 8260 Internal & Surrogate Standard Price on request 98307 EPA Method 525 Pesticide Standard Sub Conc Price on request