ChemicalBook > CAS DataBase List > (±)-13-ethyl-3-methoxy-18,19-dinor-17alpha-pregna-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

Product Name
(±)-13-ethyl-3-methoxy-18,19-dinor-17alpha-pregna-2,5(10)-dien-20-yn-17-ol
CAS No.
799-43-9
Chemical Name
(±)-13-ethyl-3-methoxy-18,19-dinor-17alpha-pregna-2,5(10)-dien-20-yn-17-ol
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;(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);(8S,9S,13S,14S,17S)-13-ethyl-17-ethynyl-3-methoxy-4,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17-ol
CBNumber
CB5881129
Molecular Formula
C22H30O2
Formula Weight
326.48
MOL File
799-43-9.mol
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(±)-13-ethyl-3-methoxy-18,19-dinor-17alpha-pregna-2,5(10)-dien-20-yn-17-ol Property

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)
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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

TRC
Product number
E926664
Product name
13-Ethyl-3-methoxy-18,19-dinorpregna-2,5(10)-dien-20-yn-17-ol
Packaging
10mg
Price
$1815
Updated
2021/12/16
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(±)-13-ethyl-3-methoxy-18,19-dinor-17alpha-pregna-2,5(10)-dien-20-yn-17-ol Chemical Properties,Usage,Production

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.

(±)-13-ethyl-3-methoxy-18,19-dinor-17alpha-pregna-2,5(10)-dien-20-yn-17-ol Preparation Products And Raw materials

Raw materials

Preparation Products

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

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799-43-9, (±)-13-ethyl-3-methoxy-18,19-dinor-17alpha-pregna-2,5(10)-dien-20-yn-17-olRelated Search:

(9R,10R,13S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,9,10,11,12,15,16-decahydrocyclopenta[a]phenanthren-3-one (5α,17α)-13-Ethyl-17-hydroxy-5-Methoxy-18,19-dinorpregn-20-yn-3-one Levonorgestrel IMpurity N 6α-Hydroxy Norgestrel 13-Ethyl-3-ethynyl-18,19-dinor-17α-pregna-3,5-dien-20-yn-17-ol (Levo Norgestrel Impurity) EP Levonorgestrel Impurity D Levonorgestrel Sulfate Sodium Salt (±)-13-ethyl-3-methoxygona-2,5(10)-dien-17beta-ol 6-Oxo D-(-)-Norgestrel 5(6)-Dehydro-4(5)-dihydro D-(-)-Norgestrel (17α)-13-Ethyl-3-methoxy-18,19-dinorpregna-3,5-dien-20-yn-17-ol Levonorgestrel

  • (1)-13-Ethyl-3-methoxy-18,19-dinor-17alpha-pregna-2,5(10)-dien-20-yn-17-ol
  • Einecs 212-350-3
  • Levonorgestrel IMpurity T
  • (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)
  • Levonorgestrel Impurity 20（Levonorgestrel EP Impurity T）
  • 18,19-Dinorpregna-2,5(10)-dien-20-yn-17-ol, 13-ethyl-3-methoxy-, (17α)-(±)- (9CI)
  • 13-Ethyl-3-methoxy-18,19-dinorpregna-2,5(10)-dien-20-yn-17-ol
  • "(17a)-(+/-)-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
  • (8S,9S,13S,14S,17S)-13-ethyl-17-ethynyl-3-methoxy-4,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17-ol
  • 799-43-9
  • Impurities, Pharmaceuticals, Intermediates & Fine Chemicals, Steroids