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ChemicalBook--->CAS DataBase List--->799-43-9

799-43-9

799-43-9 Structure

799-43-9 Structure
IdentificationBack Directory
[Name]

(±)-13-ethyl-3-methoxy-18,19-dinor-17alpha-pregna-2,5(10)-dien-20-yn-17-ol
[CAS]

799-43-9
[Synonyms]

Einecs 212-350-3
Levonorgestrel IMpurity T
Levonorgestrel Impurity 20（Levonorgestrel EP Impurity T）
13-Ethyl-3-methoxy-18,19-dinorpregna-2,5(10)-dien-20-yn-17-ol
(17α)-13-Ethyl-3-methoxy-18,19-dinorpregna-2,5(10)-dien-20-yn-17-ol
(±)-13-ethyl-3-methoxy-18,19-dinor-17alpha-pregna-2,5(10)-dien-20-yn-17-ol
(1)-13-Ethyl-3-methoxy-18,19-dinor-17alpha-pregna-2,5(10)-dien-20-yn-17-ol
"(17a)-(+/-)-13-Ethyl-3-methoxy-18,19-dinorpregna-2,5(10)-dien-20-yn-17-ol"
18,19-Dinorpregna-2,5(10)-dien-20-yn-17-ol, 13-ethyl-3-methoxy-, (17α)-(±)- (9CI)
(17α)-(±)-13-Ethyl-3-Methoxy-18,19-dinorpregna-2,5(10)-dien-20-yn-17-ol (Levonorgestrel IMpurity T)
13-Ethyl-17-ethynyl-3-methoxy-4,6,7,8,9,11,12,13,14,15,16,17-dode cahydro-1H-cyclopenta[a]phenanthren-17-ol (non-preferred name)
[EINECS(EC#)]

212-350-3
[Molecular Formula]

C22H30O2
[MDL Number]

MFCD18803652
[MOL File]

799-43-9.mol
[Molecular Weight]

326.48
Chemical PropertiesBack Directory
[Melting point ]

130-136 °C
[Boiling point ]

462.8±45.0 °C(Predicted)
[density ]

1.11±0.1 g/cm3(Predicted)
[pka]

13.08±0.60(Predicted)
Hazard InformationBack Directory
[Uses]

13-Ethyl-3-methoxy-18,19-dinorpregna-2,5(10)-dien-20-yn-17-ol is a steroid used in the synthesis of other steroid hormones.
[Uses]

An impurity from the synthesis of Levonorgestrel (N689510), an oral contraceptive.
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