Heptachlor Back Catalog number: X9111 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92424 Chlorinated Standard Price on request 1151.31-10MG n-Hentriacontane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 630-04-6 Price on request 70671 EPN Price on request