Heptachlor Back Catalog number: X9111 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10626.12-50-NN 1,2,3,7,8-Pentachlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL, Price on request 30222 2,4-Dichlorophenylacetic acid Price on request SC-263312 Ethyl perfluoroheptanoate, 5g Price on request