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 C11601300 Chlorpyrifos-methyl-desmethyl sodium, 25mg Price on request 679762 4-Chlorophenyl methyl sulfone, 250mg Price on request 55025 WP Trace Elements Price on request