Heptachlor Back Catalog number: 79300 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3431.9-100-AN MCPA Price on request 8211.11-K-AN n-Butyraldehyde-PFBOA derivative, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. Price on request 11302.15-K-ME Phenytoin,1000 µg/mL,MeOH,1mL, Price on request