Ethynylestradiol is used widely in birth control pills in combination with progestins. It is an estrogen medication.Reference standards of Ethynylestradiol API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
2-Methyl-d3 Ethynyl Estradiol
Catalogue No.:PA STI 061660
CAS :
Molecular Formula : C21H23D3O2
Molecular Weight : 313.45
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