13-Ethyl-10,17-dihydroxy-18,19-dinor-17α-pregn-4-en-20-yn-3-one

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13-Ethyl-10,17-dihydroxy-18,19-dinor-17α-pregn-4-en-20-yn-3-one Suppliers list
Company Name: Changsha Junyu Chemexpress.co., Ltd
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Products Intro: Product Name:13-ethyl-10,17-dihydroxy-18,19-dinor-17a-pregn-4-en-20-yn-3-one
CAS:21508-50-9
Purity:95.2% Package:25mg,50mg,100mg
Company Name: Moxin Chemicals
Tel: +86-17320513646 +8617320513646
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Products Intro: Product Name:Levonorgestrel Impurity
CAS:21508-50-9
Purity:98 Package:20mg，100mg，1g Remarks:Real inventory，drug impurities，drug standards
Company Name: QUALITY CONTROL SOLUTIONS LTD.
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Products Intro: Product Name:Levonorgestrel EP Impurity I
CAS:21508-50-9
Purity:0.95 Package:10mg; 25mg;50mg;100mg Remarks:Brand: QCS; Can provide COA, hydrogen spectrum, mass spectrometry, liquid phase; Level: Pharmaceutical Impurity Standard
Company Name: Aquigen Bio science Pvt Ltd  
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Email: archana.n@aquigenbio.com
Products Intro: Product Name:Levonorgestrel EP Impurity I
CAS:21508-50-9
Purity:98% Package:100mg, 500mg, and 1gm
Company Name: LangFangshi Hengfuyuan Pharma Tech CO.,Itd.  Gold
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Email: 573487203@qq.com
Products Intro: Product Name:Levonorgestrel Ep Impurity I
CAS:21508-50-9
Purity:95%+ Package:50mg;100mg;500mg
13-Ethyl-10,17-dihydroxy-18,19-dinor-17α-pregn-4-en-20-yn-3-one Basic information
Product Name:13-Ethyl-10,17-dihydroxy-18,19-dinor-17α-pregn-4-en-20-yn-3-one
Synonyms:(17α)-13-Ethyl-10,17-dihydroxy-18,19-dinorpregn-4-en-20-yn-3-one;10β-Hydroxy D-(-)-Norgestrel;10β-HydroxyLevonorgestrel;13-Ethyl-10,17-dihydroxy-18,19-dinor-17α-pregn-4-en-20-yn-3-one;10-beta-Hydroxy Levonorgestrel;Levonorgestrel Impurity I (EP);Levonorgestrel EP impurity I;Levonorgestrel EP Impurity I (10-beta-Hydroxy Levonorgestrel)
CAS:21508-50-9
MF:C21H28O3
MW:328.45
EINECS:
Product Categories:Impurities, Pharmaceuticals, Intermediates & Fine Chemicals, Steroids
Mol File:21508-50-9.mol
13-Ethyl-10,17-dihydroxy-18,19-dinor-17α-pregn-4-en-20-yn-3-one Structure
13-Ethyl-10,17-dihydroxy-18,19-dinor-17α-pregn-4-en-20-yn-3-one Chemical Properties
Melting point 226-229 °C(Solv: benzene (71-43-2))
Boiling point 497.6±45.0 °C(Predicted)
density 1.20±0.1 g/cm3(Predicted)
solubility Chloroform (Slightly, Heated, Sonicated), Ethyl Acetate (Slightly), Methanol (Slightly)
pka13.01±0.60(Predicted)
form Solid
color White to Off-White
Safety Information
MSDS Information
13-Ethyl-10,17-dihydroxy-18,19-dinor-17α-pregn-4-en-20-yn-3-one Usage And Synthesis
Uses10β-Hydroxy D-(-)-Norgestrel is an impurity of Levonorgestrel (N689510).
13-Ethyl-10,17-dihydroxy-18,19-dinor-17α-pregn-4-en-20-yn-3-one Preparation Products And Raw materials
Tag:13-Ethyl-10,17-dihydroxy-18,19-dinor-17α-pregn-4-en-20-yn-3-one(21508-50-9) Related Product Information
EP Levonorgestrel Impurity D D-Ethylgonendione 13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one 6β-Hydroxy Norgestrel (±)-13-ethyl-3-methoxygona-2,5(10)-dien-17beta-ol Levonorgestrel IMpurity N Levonorgestrel 6α-Hydroxy Norgestrel 13-Ethyl-3-ethynyl-18,19-dinor-17α-pregna-3,5-dien-20-yn-17-ol (Levo Norgestrel Impurity) 6-Oxo D-(-)-Norgestrel 5(6)-Dehydro-4(5)-dihydro D-(-)-Norgestrel Methoxydienone 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 Δ5(10),6,8(9)-D-(-)-Norgestrel (5α,17α)-13-Ethyl-17-hydroxy-5-Methoxy-18,19-dinorpregn-20-yn-3-one Levonorgestrel EP impurity K