Heptachlor Back Catalog number: 96868 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 55075 Total Inorganic Water Supply (WS) (Kit) Price on request 1792.20-1MG 3-Aminoperylene, neat, Solvent-neat, Unit 1MG, # of units-1, Cas.no. 20492-13-1 Price on request PBB-153-CS 2,2',4,4',5,5'-Hexabromobiphenyl (PBB-153), 100µg/mL in IO, 1,2ml Price on request