Ethinylestradiol

Ethinylestradiol Ethinylestradiol :

19-Nor-17α-pregna-1,3,5(10)-trien-20-yne-3,17-diol ; CAS : 57-63-6 ;

C20H24O2 ; MW: 296.40 ;

 
Ethinylestradiol EP Impurity A Ethinylestradiol Impurity A :

17β-Ethinylestradiol ; 17-epi-Ethynyl Estradiol ; 19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol ; CAS : 4717-38-8 ;  C20H24O2 ; MW: 296.40 ;
Ethinylestradiol EP Impurity B Ethinylestradiol Impurity B :

Ethinylestradiol�USP RC�B ; 9,11-Dehydro Ethynyl Estradiol ; 19-Nor-17α-pregna-1,3,5(10),9(11)-tetraen-20-yne-3,17-diol ; CAS : 1231-96-5 ; C20H22O2 ; MW: 294.39 ;
Ethinylestradiol EP Impurity C Ethinylestradiol  Impurity C:

Estrone ; 3-Hydroxyestra-1,3,5(10)-trien-17-one ; CAS : 53-16-7 ; C18H22O2 ; MW: 270.37 ;
Ethinylestradiol EP Impurity D Ethinylestradiol  Impurity D:

Estradiol ; Estra-1,3,5(10)-triene-3,17β-diol ; CAS : 50-28-2 ; C18H24O2 ; MW: 272.38 ;
Ethinylestradiol EP Impurity E Ethinylestradiol Impurity E:

6α-Hydroxy-ethinylestradiol ; 19-Nor-17α-pregna-1,3,5(10)-trien-20-yne-3,6α,17-triol ; CAS : 27521-34-2 ; C20H24O3 ; MW: 312.4 ;
Ethinylestradiol EP Impurity F Ethinylestradiol  Impurity F:

6β-Hydroxy-ethinylestradiol ; 19-Nor-17α-pregna-1,3,5(10)-trien-20-yne-3,6β,17-triol ; CAS : 56324-28-8 ; C20H24O3 ; MW: 312.4 ;
Ethinylestradiol EP Impurity G Ethinylestradiol Impurity G:

Ethinylestradiol�USP RC�A ; 6-Oxo-ethinylestradiol ; 3,17-Dihydroxy-19-nor-17α-pregna-1,3,5(10)-trien-20-yn-6-one ; CAS : 38002-18-5 ; C20H22O3 ; MW: 310.39 ;
Ethinylestradiol EP Impurity H Ethinylestradiol Impurity H:

16-Oxo-ethinylestradiol ; 3,17-Dihydroxy-19-nor-17α-pregna-1,3,5(10)-trien-20-yn-16-one ; CAS : 1350468-76-6 ; C20H22O3 ; MW: 310.39 ;
Ethinylestradiol EP Impurity I Ethinylestradiol Impurity I:

6,7-Dehydro Ethynyl Estradiol ; 19-Nor-17α-pregna-1,3,5(10),6-tetraen-20-yne-3,17-diol ; CAS : 67703-68-8 ; C20H22O2 ; MW: 294.39 ;
Ethinylestradiol EP Impurity J Ethinylestradiol Impurity J:

1-Methyl Ethynyl Estradiol ; (17α)-1-Methyl-19-norpregna-1,3,5(10)-trien-20-yne-3,17-diol ; CAS : 15071-66-6 ; C21H26O2 ; MW: 310.43 ;
Ethinylestradiol EP Impurity K Ethinylestradiol 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 ;
Ethinylestradiol EP Impurity L Ethinylestradiol Impurity L:

17α-Estradiol ; Estra-1,3,5(10)-triene-3,17α-diol ; CAS : 57-91-0 ; C18H24O2 ; MW: 272.38 ;
Ethinylestradiol EP Impurity M Ethinylestradiol  Impurity M:

2-Methyl Ethynyl Estradiol ; (17α)-2-Methyl-19-norpregna-1,3,5(10)-trien-20-yne-3,17-diol ; CAS : 3240-39-9 ;  C21H26O2 ; MW: 310.43 ;