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Estrone
C18H22O2 270.37
 Estra-1,3,5(10)-trien-17-one, 3-hydroxy-.
 3-Hydroxyestra-1,3,5(10)-trien-17-one [53-16-7]

» Estrone contains not less than 97.0 percent and not more than 103.0 percent of C18H22O2, calculated on the dried basis.

USP REFERENCE STANDARDS FOR PURCHASE

USP Estrone RS
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