Octachlor epoxide

Figure 13.1 Chemical structure of chlordane-related compounds 1, chlordene (4,5,6,7,8,8-hexachloro-3a,4,7,7a-tetrahydro-4, 7-methanoindene) 2, c/ s-chlordane, also known as alpha-chlordane (1-exo, 2-exo, 4,5,6,7,8,8-octachloro-2,3,3a,4,7,7a-hexahydro-4,7-methanoindene) 3, trans-chlordane, also known as gamma-chlordane (1-exo, 2-endo, 4,5,6,7,8,8-octachloro-2,3,3a,4,7,7a-hexahydro-4,7-methanoindene) 4, heptachlor (1,4,5,6,7,8,8-heptachloro-3a,4,7,7a-tetrahydro-4,7-methanoindene) — technical heptachlor contains about 15% c/s-chlordane and 2.5% trans-chlordane 5, heptachlor epoxide (1,4,5,6,7,8,8-heptachloro-2,3-epoxy-3a,4,7,7a-tetrahydro-4,7-methanoindene) and 6, oxychlordane, also known as octachlor epoxide (1-exo, 2-endo, 4,5,6,7,8,8-octachloro,2,3-exo-epoxy-2,3,3a,4,7,7a-hexahydro-4,7-methanoindene). 

Korfmacher WA, Rushing LG, Siitonen PH, et al. 1987. Confirmation of heptachlor epoxide and octachlor epoxide in milk via fused silica gas chromatography/negative ion chemical ionization mass spectrometry. J High Resolut Chromatogr Commun 10 332-336. 

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