ChemicalBook > CAS DataBase List > 13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one

13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one

Product Name
13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one
CAS No.
19914-67-1
Chemical Name
13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one
Synonyms
Levonorgestrel EP IMP B;EP Levonorgestrel Impurity B;Levonorgestrel EP impurity B;13-Ethyl-17a-ethynyl-17-hydroxygon-5(10)-en-3-one;13-Ethyl-17α-ethynyl-17-hydroxygon-5(10)-en-3-one;17-Ethinyl-17-hydroxy-18-methylestr-5(10)-en-3-one;Levonorgestrel Impurity 2（Levonorgestrel EP Impurity B）;13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one;13-ethyl-17-hydroxy-18,19-dinor-17α-pregn-5(10)-en-20-yn-3-one;13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5(10)-en-20-yn-3-one
CBNumber
CB41453106
Molecular Formula
C21H28O2
Formula Weight
312.45
MOL File
19914-67-1.mol
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13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one Property

Melting point:
169-171?C
Boiling point:
454.0±45.0 °C(Predicted)
Density 
1.14±0.1 g/cm3(Predicted)
storage temp. 
Refrigerator
solubility 
Chloroform (Slightly), Methanol (Slightly)
pka
13.10±0.40(Predicted)
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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
Y0001379
Product name
Levonorgestrel impurity B
Purity
European Pharmacopoeia (EP) Reference Standard
Packaging
y0001379
Price
$220
Updated
2024/03/01
Biosynth Carbosynth
Product number
IE23089
Product name
13-Ethyl-17-hydroxy-18,19-dinor-17a-pregn-5(10)-en-20-yn-3-one - EP
Packaging
1mg
Price
$254.4
Updated
2021/12/16
Biosynth Carbosynth
Product number
IE23089
Product name
13-Ethyl-17-hydroxy-18,19-dinor-17a-pregn-5(10)-en-20-yn-3-one - EP
Packaging
2mg
Price
$462.5
Updated
2021/12/16
Biosynth Carbosynth
Product number
IE23089
Product name
13-Ethyl-17-hydroxy-18,19-dinor-17a-pregn-5(10)-en-20-yn-3-one - EP
Packaging
5mg
Price
$840.9
Updated
2021/12/16
Biosynth Carbosynth
Product number
IE23089
Product name
13-Ethyl-17-hydroxy-18,19-dinor-17a-pregn-5(10)-en-20-yn-3-one - EP
Packaging
10mg
Price
$1528.8
Updated
2021/12/16
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13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one Chemical Properties,Usage,Production

Chemical Properties

White Solid

Uses

EP Levonorgestrel impurity B

13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one Preparation Products And Raw materials

Raw materials

1-Naphthol Acetylacetone Vinyl bromide

Preparation Products

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13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one Suppliers

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19914-67-1, 13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-oneRelated Search:

Levonorgestrel EP Levonorgestrel Impurity D D-Ethylgonendione 6β-Hydroxy Norgestrel (±)-13-ethyl-3-methoxygona-2,5(10)-dien-17beta-ol 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) 13-ethyl-3-methoxy-18,19-dinor-17alpha-pregna-2,5(10)-dien-20-yn-17-ol 18-Methyl Mestranol (17α)-13-Ethyl-3-methoxy-18,19-dinorpregna-3,5-dien-20-yn-17-ol Norethindrone 6-Oxo D-(-)-Norgestrel 5(6)-Dehydro-4(5)-dihydro D-(-)-Norgestrel Levonorgestrel EP Impurity I 18-Methyl Nandrolone Methoxydienone Δ5(10),6,8(9)-D-(-)-Norgestrel

  • 13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one
  • 17-Ethinyl-17-hydroxy-18-methylestr-5(10)-en-3-one
  • 13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5(10)-en-20-yn-3-one(Levonorgestrel Impurity B)
  • Levonorgestrel EP impurity B
  • 13-Ethyl-17a-ethynyl-17-hydroxygon-5(10)-en-3-one
  • 13-Ethyl-17-hydroxy-18,19-dinor-17a-pregn-5(10)-en-20-yn-3-one(Levonorgestrel Impurity B)
  • EP Levonorgestrel Impurity B
  • 13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5(10)-en-20-yn-3-one (Levo Norgestrel Impurity)
  • 13-ethyl-17-hydroxy-18,19-dinor-17α-pregn-5(10)-en-20-yn-3-one
  • (17α)-13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one
  • 13-Ethyl-17α-ethynyl-17-hydroxygon-5(10)-en-3-one
  • 13-Ethyl-17-hydroxy-18,19-dinor-17a-pregn-5(10)-en-20-yn-3-one (Levo Norgestrel IMpurity)
  • 13-Ethyl-17-hydroxy-18,19-dinor-17a-pregn-5(10)-en-20-yn-3-one - EP
  • Levonorgestrel Impurity 2（Levonorgestrel EP Impurity B）
  • Levonorgestrel EP IMP B
  • 18,19-Dinorpregn-5(10)-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (17α)-
  • 13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5(10)-en-20-yn-3-one (Levo Norgestrel Impurity)
  • 13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5(10)-en-20-yn-3-one
  • 13-ethyl-17-hydroxy-18,19-dinor-17a-pregn-5(10)-en-20-yn-3-one
  • (8R,9S,13S,14S,17R)-13-Ethyl-17-ethynyl-17-hydroxy-4,6,7,8,9,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one (Levonorgestrel Impurity)
  • 18,19-Dinorpregn-5(10)-en-20-yn-3-one,13-ethyl-17-hydroxy-, (17a)- (9CI)
  • 19914-67-1
  • Impurities, Pharmaceuticals, Intermediates & Fine Chemicals, Steroids
  • Impurities
  • Intermediates & Fine Chemicals
  • Pharmaceuticals
  • Steroids