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.
14507-51-8
Chemical Name
13-ethyl-3-methoxy-18,19-dinor-17alpha-pregna-2,5(10)-dien-20-yn-17-ol
Synonyms
Einecs 238-514-4;Levonorgestrel EP impurity T;13β-ethyl-3-methoxy-17α-ethynyl-gona-2,5(10)-dien-17β-ol;13-ethyl-3-methoxy-18,19-dinor-17a-pregna-2,5(10)-dien-20-yn-17-ol;(17R)-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)-;(17a)-13-Ethyl-3-methoxy-18,19-dinorpregna-2,5(10)-dien-20-yn-17-ol (Levonorgestrel Impurity T);(17α)-13-Ethyl-3-methoxy-18,19-dinorpregna-2,5(10)-dien-20-yn-17-ol (Levonorgestrel Impurity T);(17alpha)-13-Ethyl-3-methoxy-18,19-dinorpregna-2,5(10)-dien-20-yn-17-ol (Levonorgestrel Impurity T);(8R,9S,13S,14S,17R)-13-ethyl-17-ethynyl-3-methoxy-4,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17-ol
CBNumber
CB2895790
Molecular Formula
C22H30O2
Formula Weight
326.47
MOL File
14507-51-8.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:
155-158 °C
Boiling point:
462.8±45.0 °C(Predicted)
Density 
1.11±0.1 g/cm3(Predicted)
storage temp. 
Amber Vial, -20°C Freezer, Under inert atmosphere
solubility 
Chloroform (Slightly), Methanol (Slightly)
pka
13.08±0.60(Predicted)
form 
Solid
color 
White to Off-White
Stability:
Light Sensitive
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H351Suspected of causing cancer

H360May damage fertility or the unborn child

H362May cause harm to breast-fed children

Precautionary statements

P201Obtain special instructions before use.

P202Do not handle until all safety precautions have been read and understood.

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P263Avoid contact during pregnancy/while nursing.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P281Use personal protective equipment as required.

P308+P313IF exposed or concerned: Get medical advice/attention.

P405Store locked up.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

TRC
Product number
E922100
Product name
(17α)-13-Ethyl-3-methoxy-18,19-dinorpregna-2,5(10)-dien-20-yn-17-ol(LevonorgestrelImpurityT)
Packaging
100mg
Price
$150
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

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

China 20 India 2 United States 1 Global 23

14507-51-8, 13-ethyl-3-methoxy-18,19-dinor-17alpha-pregna-2,5(10)-dien-20-yn-17-olRelated Search:

13-Ethyl-10,17-dihydroxy-18,19-dinor-17α-pregn-4-en-20-yn-3-one (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 Levonorgestrel IMpurity N Levonorgestrel 6α-Hydroxy Norgestrel Δ5(10),6,8(9)-D-(-)-Norgestrel Methoxydienone 18-Methyl Nandrolone 13-Ethyl-3-ethynyl-18,19-dinor-17α-pregna-3,5-dien-20-yn-17-ol (Levo Norgestrel Impurity) 6,7-Dehydro Norgestrel EP Levonorgestrel Impurity D D-Ethylgonendione 13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one Levonorgestrel EP Impurity I 6β-Hydroxy Norgestrel 18-Methyl Mestranol (±)-13-ethyl-3-methoxygona-2,5(10)-dien-17beta-ol 6-Oxo D-(-)-Norgestrel

  • (17R)-13-Ethyl-3-methoxy-18,19-dinorpregna-2,5(10)-dien-20-yn-17-ol
  • Einecs 238-514-4
  • (8R,9S,13S,14S,17R)-13-ethyl-17-ethynyl-3-methoxy-4,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17-ol
  • Levonorgestrel EP impurity T
  • 18,19-Dinorpregna-2,5(10)-dien-20-yn-17-ol, 13-ethyl-3-methoxy-, (17α)-
  • (17α)-13-Ethyl-3-methoxy-18,19-dinorpregna-2,5(10)-dien-20-yn-17-ol (Levonorgestrel Impurity T)
  • (17a)-13-Ethyl-3-methoxy-18,19-dinorpregna-2,5(10)-dien-20-yn-17-ol (Levonorgestrel Impurity T)
  • 13-ethyl-3-methoxy-18,19-dinor-17a-pregna-2,5(10)-dien-20-yn-17-ol
  • 13β-ethyl-3-methoxy-17α-ethynyl-gona-2,5(10)-dien-17β-ol
  • (8R,9S,13S,14S,17R)-13-Ethyl-17-ethynyl-3-methoxy-4,6,7,8,9,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-ol (Levonorgestrel Impurity)
  • (17alpha)-13-Ethyl-3-methoxy-18,19-dinorpregna-2,5(10)-dien-20-yn-17-ol (Levonorgestrel Impurity T)
  • 14507-51-8