Heptachlor Back Catalog number: 79300 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3025.7-1ML trans-2-Heptene, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 14686-13-6 Price on request 680862 D7-Atrazine-desethyl, 10mg Price on request 2540.7-50MG Paraxanthine, neat, Solvent-neat, Unit 50mg, # of units-1, Cas.no. 611-59-6 Price on request