17-epi-Ethynyl estradiol

17-epi-Ethynyl estradiol Structure
CAS No.
4717-38-8
Chemical Name:
17-epi-Ethynyl estradiol
Synonyms
17β-Ethinylestradiol;Epi-Ethynyl Estradiol;17-epi-Ethynylestradiol;17BETA-ETHINYLESTRADIOL;17-Ethynyl-17α-estradiol;Ethinylestradiol EP Imp A;Ethinylestradiol EP Impurity A;17-epi Ethylnyl Estradiol (IMpurity A);17-Ethynylestra-1(10),2,4-triene-3,17α-diol;19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol
CBNumber:
CB01238785
Molecular Formula:
C20H24O2
Molecular Weight:
296.4
MOL File:
4717-38-8.mol
Modify Date:
2023/5/15 10:44:01

17-epi-Ethynyl estradiol Properties

Boiling point 457.2±45.0 °C(Predicted)
Density 1.21±0.1 g/cm3(Predicted)
solubility Chloroform (Slightly), Methanol (Slightly), Pyridine (Slightly)
pka 10.24±0.60(Predicted)
form Solid
color White to Off-White
Stability Light Sensitive

17-epi-Ethynyl estradiol Chemical Properties,Uses,Production

Uses

The epimer derivative of Ethynyl Estradiol (E685100). An impurity.

17-epi-Ethynyl estradiol Preparation Products And Raw materials

Raw materials

Preparation Products

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19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol 17BETA-ETHINYLESTRADIOL 17-epi-Ethynylestradiol 17-Ethynylestra-1(10),2,4-triene-3,17α-diol 19-Norpregna-1,3,5(10)-triene-20-yne-3,17α-diol (8R,9S,13S,14S,17S)-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol 17-Ethynyl-17α-estradiol 17-epi Ethylnyl Estradiol (IMpurity A) Epi-Ethynyl Estradiol Ethinylestradiol EP Impurity A Ethinylestradiol EP Imp A ETHINYLESTRADIOL EP IMPURITY A (17-EPI?ETHYLNYL ESTRADIOL) Ethinylestradiol Impurity 1(Ethinylestradiol EP Impurity A) (8R,9S,13S,14S,17S)-17-ethynyl-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol 17β-Ethinylestradiol (8R,9S,13S,14S,17S)-17-Ethynyl-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol (Ethinylestradiol Impurity) Ethinylestradiol EP Impurity A (17-epi Ethynyl Estradiol) 4717-38-8 Intermediates & Fine Chemicals Pharmaceuticals Steroids