| Identification | Back Directory | [Name]
17-Ethinyl-17-hydroxy-18-methylestra-5(10),9(11)-dien-3-one-3-ethylene ketal | [CAS]
23637-79-8 | [Synonyms]
Cytosine Impurity 5
17-Ethinyl-18-methylestra-5(10),9(11)dien-17-ol-3-one-3-ethylene
17-Ethinyl-17-hydroxy-18-methylestra-5(10),9(11)dien-3-one-3-ethylene ketal
18,19-Dinorpregna-5(10),9(11)-dien-20-yn-3-one, 13-ethyl-17-hydroxy-, cyclic 1,2-ethanediyl acetal, (17α)- | [Molecular Formula]
C23H30O3 | [MDL Number]
MFCD13194806 | [MOL File]
23637-79-8.mol | [Molecular Weight]
354.49 |
| Chemical Properties | Back Directory | [Melting point ]
172 °C(Solv: isopropyl ether (108-20-3)) | [Boiling point ]
508.9±50.0 °C(Predicted) | [density ]
1.20 | [pka]
13.01±0.40(Predicted) |
| Hazard Information | Back Directory | [Chemical Properties]
Crystallization. Melting point 158-162℃. | [Uses]
17-?Ethinyl-?17-?hydroxy-?18-?methylestra-?5(10)?,?9(11)?-?dien-?3-?one-?3-?ethylene Ketal is an intermediate in the synthesis of Gestrinone (G368800), which is a Steroidal antiestrogen, antiprogestogen, analog of Norgestrienone. Antigonadotropin. |
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