Heptachlor epoxide Back Catalog number: 79168 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 90565 2-Chloro-1,3-butadiene Price on request BB-9 2,5-Dibromobiphenyl, 1.2ml x 50ug/ml, nonane Price on request 11263.8-100-AN Atrazine-2-hydroxy-d5 (ethyl-d5),100 µg/mL,acetonitrile,1mL, Price on request