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 682215 Metribuzin-desamino-diketo, 5mg Price on request 70648 Difenoxuron Price on request S-4241-2K-5IP EPA 8040 Surrogate Standard S-4241 2mg/mL each in isopropanol, 1 mL, 5 x 1mL, 5mL 2-Fluorophenol 2,4,6-Tribromophenol Price on request