Heptachlor Back Catalog number: 79167 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 70629 DEF Price on request 675621 Isopropalin, 10 µg/ml, Ethyl acetate, 10ml Price on request T4CPM Tris(4-chlorophenyl)methane, 1.2ml x 50ug/ml, nonane Price on request