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

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

Company Name:	Hubei Jusheng Technology Co.,Ltd.
Tel:	18871490254
Email:	linda@hubeijusheng.com
Products Intro:	Product Name:(8S,9S,10S,13S,14S,17R)-13-ethyl-17-ethynyl-10,17-dihydroxy-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-3-one CAS:21508-50-9 Purity:0.99 Package:5KG;1KG Remarks:C21H28O3

Company Name:	Changsha Junyu Chemexpress.co., Ltd
Tel:	+86-13723890100
Email:	info@csjyyy.cn
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:	China National Standard Pharmaceutical Corporation Limited
Tel:	+8615391658522
Email:	overseasales@yongstandards.com
Products Intro:	Product Name:Levonorgestrel Impurity 9（Levonorgestrel EP Impurity I） CAS:21508-50-9 Purity:0.95 Package:Vials

Company Name:	Moxin Chemicals
Tel:	+86-17320513646 +8617320513646
Email:	anna@molcoo.com
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.
Tel:	+86-0755-66853366 +86-13670046396
Email:	export03@qcsrm.com
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

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 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)
form	Solid
pka	13.01±0.60(Predicted)
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

Uses	10β-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

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