delta-HCH (BHC) Back Catalog number: 3321.6-100-CY Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended PN-52S 1,2,3,5,7-Pentachloronaphthalene, 1.2ml x 50ug/ml, nonane Price on request 54118 Tetramethylammonium Price on request 71050 4-Nitrotoluene Price on request