Heptachlor Back Catalog number: X9111 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 12130.12-100-AC Carbetamide-d5 (phenyl-d5),100 µg/mL,acetone,1mL, Price on request DD-124679-S 1,2,4,6,7,9-Hexachlorodibenzo-p-dioxin , 1.2ml x 50ug/ml, nonane Price on request 679665 13C6-Mefenamic acid, 10mg Price on request