ETE11: Ethinylestradiol EP Impurity K

ETE11: Ethinylestradiol EP Impurity K

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$100.00
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Ethinylestradiol EP Impurity K ;

4-Methyl Ethynyl Estradiol ;

(17α)-4-Methyl-19-norpregna-1,3,5(10)-trien-20-yne-3,17-diol ;

CAS # 155683-61-7 ;

C21H26O2 ;

MW: 310.43 ;