1107606-70-1

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(7α,17β)-3,17-Dihydroxy-7-[9-[(4,4,5,5,5-pentafluoropentyl)thio]nonyl]-estra-1,3,5(10)-trien-6-one is a fulvestrant (F862500) impurity E derivative,it is used in the preparation of steroids precursor with hormonal activity.

Fulvestrant (F862500) impurity E derivative. Used in the preparation of steroids precursor with hormonal activity.