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Type:Impurity Reference Standard
API NAME:Ethinyl Estradiol
Total Products: 21
Inv. Status:

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Ethinyl Estradiol
CAT No: CL-ETED-01 CAS No: 57-63-6 Mol Wt: 296.4 Mol F: C20H24O2 Inv Status: Custom Synthesis
Chemical Name: (8S,9S,10R,13S,14S)-13-ethyl-11-methylene-1,2,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17-ol
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Ethinylestradiol EP Impurity C
CAT No: CL-ELRD-01 CAS No: 53-16-7 Mol Wt: 270.4 Mol F: C18H22O2 Inv Status: In Stock
Chemical Name: 3-Hydroxyestra-1,3,5(10)-trien-17-one
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Ethinylestradiol EP Impurity A
CAT No: CL-ETED-02 CAS No: 4717-38-8 Mol Wt: 296.4 Mol F: C20H24O2 Inv Status: Custom Synthesis
Chemical Name: 19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol
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Ethinylestradiol EP Impurity C
CAT No: CL-ETED-03 CAS No: 53-16-7 Mol Wt: 270.4 Mol F: C18H22O2 Inv Status: Custom Synthesis
Chemical Name: 3-Hydroxyestra-1,3,5(10)-trien-17-one
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Ethinylestradiol EP Impurity D
CAT No: CL-ETED-04 CAS No: 50-28-2 Mol Wt: 272.4 Mol F: C18H24O2 Inv Status: Custom Synthesis
Chemical Name: Estra-1,3,5(10)-triene-3,17b-diol
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Ethinylestradiol EP Impurity E
CAT No: CL-ETED-05 CAS No: 27521-34-2 Mol Wt: 312.4 Mol F: C20H24O3 Inv Status: Custom Synthesis
Chemical Name: 19-Nor-17b-Pregna-1,3,5(10)-trien-20-yne-3,6a,17-triol
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Ethinylestradiol EP Impurity G
CAT No: CL-ETED-06 CAS No: 38002-18-5 Mol Wt: 310.4 Mol F: C20H22O3 Inv Status: Custom Synthesis
Chemical Name: 3,17-Dihydroxy-19-nor-17a-pregna-1,3,5(10)-trien-20-yn-6-one
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Ethinylestradiol EP Impurity H
CAT No: CL-ETED-07 CAS No: 1350468-76-6 Mol Wt: 310.4 Mol F: C20H22O3 Inv Status: Custom Synthesis
Chemical Name: 3,17-Dihydroxy-19-nor-17a-pregna-1,3,5(10)-trien-20-yn-16-one
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Ethinylestradiol EP Impurity I
CAT No: CL-ETED-08 CAS No: 67703-68-8 Mol Wt: 294.4 Mol F: C20H22O2 Inv Status: Custom Synthesis
Chemical Name: 19-Nor-17a-pregna-1,3,5(10),6-tetraen-20-yne-3,17-diol
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Ethinylestradiol EP Impurity J
CAT No: CL-ETED-09 CAS No: 15071-66-6 Mol Wt: 310.4 Mol F: C21H26O2 Inv Status: Custom Synthesis
Chemical Name: 1-Methyl-19-nor-17a-pregna-1,3,5(10)-trien-20-yne-3,17-diol
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Ethinylestradiol EP Impurity K
CAT No: CL-ETED-10 CAS No: 155683-61-7 Mol Wt: 310.4 Mol F: C21H26O2 Inv Status: Custom Synthesis
Chemical Name: 4-Methyl-19-nor-17a-pregna-1,3,5(10)-trien-20-yne-3,17-diol
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Ethinylestradiol EP Impurity L
CAT No: CL-ETED-11 CAS No: 57-91-0 Mol Wt: 272.4 Mol F: C18H24O2 Inv Status: Custom Synthesis
Chemical Name: Estra-1,3,5(10)-triene-3,17a-diol
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Ethinylestradiol EP Impurity M
CAT No: CL-ETED-12 CAS No: 3240-39-9 Mol Wt: 310.4 Mol F: C21H26O2 Inv Status: Custom Synthesis
Chemical Name: 2-Methyl-19-nor-17a-pregna-1,3,5(10)-trien-20-yne-3,17-diol
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Ethinylestradiol EP Impurity F
CAT No: CL-ETED-13 CAS No: 56324-28-8 Mol Wt: 312.4 Mol F: C20H24O3 Inv Status: Custom Synthesis
Chemical Name: 19-Nor-17a-pregna-1,3,5(10)-trien-20-yne-3,6b,17-triol
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Ethinyl Estradiol Dimer Impurity 1
CAT No: CL-ETED-14 CAS No: 303014-87-1 Mol Wt: 590.8 Mol F: C40H46O4 Inv Status: Custom Synthesis
Chemical Name: [4,4'-Bi-19-norpregna-1,3,5(10)-trien-20-yne]-3,3',17,17'-tetrol, (17a)-(17'a)- (9CI)
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Ethinyl Estradiol Dimer Impurity 2
CAT No: CL-ETED-15 CAS No: 303014-88-2 Mol Wt: 590.8 Mol F: C40H46O4 Inv Status: Custom Synthesis
Chemical Name: [2,2'-Bi-19-norpregna-1,3,5(10)-trien-20-yne]?-3,3',17,17'-tetrol, (17)-(17')-(9CI)
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Ethinyl Estradiol Dimer Impurity 3
CAT No: CL-ETED-16 CAS No: 303014-89-3 Mol Wt: 590.8 Mol F: C40H46O4 Inv Status: Custom Synthesis
Chemical Name: [2,?4'-?Bi-?19-?norpregna-?1,?3,?5(10)?-?trien-?20-?yne]?-?3,?3',?17,?17'-?tetrol, (17?)?-?(17'?)?- (9CI)
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Ethinyl Estradiol Dimer Impurity 4
CAT No: CL-ETED-17 CAS No: 303014-90-6 Mol Wt: 590.8 Mol F: C40H46O4 Inv Status: Custom Synthesis
Chemical Name: (8R,9S,13S,14S,17R)-17-Ethynyl-4-(((8R,9S,13S,14S,17R)-17-ethynyl-17-hydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-3-yl)oxy)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol
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Ethinyl Estradiol Dimer Impurity 5
CAT No: CL-ETED-18 CAS No: 303014-91-7 Mol Wt: 590.8 Mol F: C40H46O4 Inv Status: Custom Synthesis
Chemical Name: (8R,9S,13S,14S,17R)-17-Ethynyl-2-(((8R,9S,13S,14S,17R)-17-ethynyl-17-hydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-3-yl)oxy)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol
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Ethinylestradiol Impurity 1
CAT No: CL-ETED-19 CAS No: 303014-86-0 Mol Wt: 328.4 Mol F: C20H24O4 Inv Status: Custom Synthesis
Chemical Name: (8S,13S,14S,17R)-17-Ethynyl-9-hydroperoxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol
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Ethinylestradiol EP Impurity B
CAT No: CL-ETED-20 CAS No: 1231-96-5 Mol Wt: 294.4 Mol F: C20H22O2 Inv Status: Custom Synthesis
Chemical Name: 19-Nor-17a-pregna-1,3,5(10),9(11)-tetraen-20-yne-3,17-diol

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