ethinylestradiol
A synthetic steroidal estrogen and a derivative of estradiol, Ethinylestradiol is used as a formulation in Combine oral contraceptives. Also known as EE2 it is used in the hormone replacement therapy in menopause , acne, and cancer (breat and prostrate). Reference standards of Ethinylestradiol API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
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Ethinylestradiol - API Standards
Catalogue No.:PA 05 46000
Molecular Formula : C20H24O2
Molecular Weight : 296.40
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Ethinylestradiol - Impurity A
Catalogue No.:PA 05 46010
Molecular Formula : C20H24O2
Molecular Weight : 296.40
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Ethinylestradiol - Impurity B
Catalogue No.:PA 05 46020
Molecular Formula : C20H22O2
Molecular Weight : 294.39
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Ethinylestradiol - Impurity D
Catalogue No.:PA 05 46040
Molecular Formula : C18H24O2
Molecular Weight : 272.38
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Ethinylestradiol - Impurity E
Catalogue No.:PA 05 46050
Molecular Formula : C20H24O3
Molecular Weight : 312.40
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Ethinylestradiol - Impurity G
Catalogue No.:PA 05 46070
Molecular Formula : C20H22O3
Molecular Weight : 310.39
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Ethinylestradiol - Impurity I
Catalogue No.:PA 05 46090
Molecular Formula : C20H22O2
Molecular Weight : 294.39
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Ethinylestradiol - Impurity J
Catalogue No.:PA 05 46100
Molecular Formula : C21H26O2
Molecular Weight : 310.43
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Ethinylestradiol - Impurity K
Catalogue No.:PA 05 46110
Molecular Formula : C21H26O2
Molecular Weight : 310.43
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Ethinylestradiol - Impurity L
Catalogue No.:PA 05 46120
Molecular Formula : C18H24O2
Molecular Weight : 272.38
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Ethinylestradiol - Impurity M
Catalogue No.:PA 05 46130
Molecular Formula : C21H26O2
Molecular Weight : 310.43
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Ethinylestradiol - Impurity C
Catalogue No.:PA 05 46030
Molecular Formula : C18H22O2
Molecular Weight : 270.37
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Ethynyl Estradiol 3-Sulfate
Catalogue No.:PA 05 46510
Molecular Formula : C20H24O5S
Molecular Weight : 376.47
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Ethinyl Estradiol Dimer Impurity 1
Catalogue No.:PA 05 46520
Molecular Formula : C40H46O4
Molecular Weight : 590.79
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Ethinyl Estradiol Dimer Impurity 2
Catalogue No.:PA 05 46530
Molecular Formula : C40H46O4
Molecular Weight : 590.79
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[pname] => 2-Hydroxy Ethinylestradiol
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2-Hydroxy Ethinylestradiol
Catalogue No.:PA 05 46540
Molecular Formula : C20H24O3
Molecular Weight : 312.41
stdClass Object
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[catalogue_number] => PA 05 46660
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[chemical_name] =>
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Catalogue No.:PA 05 46660
Molecular Formula : C18H19Br3O2
Molecular Weight : 507.05
stdClass Object
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1-Hydroxy-4-methyl-17-ethynyl-3-dehydroxyestradiol
Catalogue No.:PA 05 0461000
Molecular Formula : C21H26O2
Molecular Weight : 310.44
stdClass Object
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[2,2'-Bi-19-norpregna-1,3,5(10)-trien-20-yne]-3,3',17,17'-tetrol, (17a)-(17'a)
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[2,4'-Bi-19-norpregna-1,3,5(10)-trien-20-yne]-3,3',17,17'-tetrol, (17a)-(17'a)
stdClass Object
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[pname] => Delta-8(9)-Ethinyl Estradiol
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Delta-8(9)-Ethinyl Estradiol
Catalogue No.:PA 05 0461011
Molecular Formula : C20H22O2
Molecular Weight : 294.39
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Mixture of Ethinyl Estradiol Dimer Impurity 1 and Ethinyl Estradiol Dimer Impurity 2
stdClass Object
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[catalogue_number] => PA 05 0461013
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[form] => C20H24O2
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Catalogue No.:PA 05 0461013
Molecular Formula : C20H24O2
Molecular Weight : 296.41