4-hydroxyethynylestradiol

4-hydroxyethynylestradiol structure

CAS No.: 50394-90-6

Chemical Name:: 4-hydroxyethynylestradiol

Synonyms: 4-hydroxyethynylestradiol;4-Hydroxy Ethinylestradiol;17alpha-ethynyl-4-hydroxyestradiol;Ethinylestradiol 4-Hydroxy Impurity;17a-Ethynylestra-1,3,5(10)-triene-3,4,17-triol;19-Nor-17a-pregna-1,3,5(10)-trien-20-yne-3,4,17-triol;(17α)-19-Norpregna-1,3,5(10)-trien-20-yne-3,4,17-triol;(17a)-19-Norpregna-1,3,5(10)-trien-20-yne-3,4,17-triol;19-Norpregna-1,3,5(10)-trien-20-yne-3,4,17-triol, (17α)-

CBNumber:: CB81362787

Molecular Formula:: C20H24O3

Molecular Weight:: 312.4

MDL Number:: MFCD18252506

MOL File:: 50394-90-6.mol

TDS File:: TDS

Last updated:2026-04-24 14:58:44

Product description	Number	Pack Size	Price
4-HydroxyEthynylEstradiol	H941965	1mg	$160
4-Hydroxy ethynyl estradiol	279095	1mg	$608

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4-hydroxyethynylestradiol Properties

Melting point	>155°C (dec.)
storage temp.	Amber Vial, Refrigerator, Under inert atmosphere
solubility	Chloroform (Slightly, Heated), DMSO (Slightly), Ethyl Acetate (Slightly), Methane
form	Solid
color	Light Beige
Stability	Hygroscopic, Light Sensitive

4-hydroxyethynylestradiol price More Price(2)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TRC	H941965	4-HydroxyEthynylEstradiol	50394-90-6	1mg	$160	2021-12-16	Buy
Usbiological	279095	4-Hydroxy ethynyl estradiol	50394-90-6	1mg	$608	2021-12-16	Buy

Product number	Packaging	Price	Buy
H941965	1mg	$160	Buy
279095	1mg	$608	Buy

4-hydroxyethynylestradiol Chemical Properties,Uses,Production

Chemical Properties

Light Tan Solid

Uses

A metabolite of 17a-Ethynylestradiol

Uses

A metabolite of 17α-Ethynylestradiol.

4-hydroxyethynylestradiol Preparation Products And Raw materials

Raw materials

Ethinyl Estradiol 2-hydroxyethynylestradiol

Preparation Products

4-hydroxyethynylestradiol Suppliers

Global( 15)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Finetech Industry Limited	+86-27-8746-5837 +8619945049750	info@finetechnology-ind.com	China	9539	58
J & K SCIENTIFIC LTD.	18210857532; 18210857532	jkinfo@jkchemical.com	China	96815	76
Chemsky（shanghai）International Co.,Ltd.	021-50135380	shchemsky@sina.com	China	32321	50
Clearsynth Labs Limited	+91-22-26355700	info@clearsynth.com	India	9679	58
Finetech Industry Limited	027-87465837 19945049750	sales@finetechnology-ind.com	China	7970	58
Shenzhen Polymeri Biochemical Technology Co., Ltd.	+86-400-002-6226 +86-13028896684;	sales@rrkchem.com	China	57422	58
Energy Chemical	021-58432009 400-005-6266	marketing@energy-chemical.com	China	44918	58
TCI (Shanghai) Chemical Trading Co., Ltd.	021-61109150	sales@tcisct.com	China	29717	58
Henan Kehong Biological Technology Co. LTD	0371-86658258 19139748274	info@kehobio.com	China	2761	58
Biosynth Biological Technology (Suzhou) Co Ltd	51288865780	sales@biosynth.com	China	6051	58

Supplier	Advantage
Finetech Industry Limited	58
J & K SCIENTIFIC LTD.	76
Chemsky（shanghai）International Co.,Ltd.	50
Clearsynth Labs Limited	58
Finetech Industry Limited	58
Shenzhen Polymeri Biochemical Technology Co., Ltd.	58
Energy Chemical	58
TCI (Shanghai) Chemical Trading Co., Ltd.	58
Henan Kehong Biological Technology Co. LTD	58
Biosynth Biological Technology (Suzhou) Co Ltd	58

(17a)-19-Norpregna-1,3,5(10)-trien-20-yne-3,4,17-triol 17a-Ethynylestra-1,3,5(10)-triene-3,4,17-triol 19-Nor-17a-pregna-1,3,5(10)-trien-20-yne-3,4,17-triol 4-hydroxyethynylestradiol 17alpha-ethynyl-4-hydroxyestradiol Ethinylestradiol 4-Hydroxy Impurity 19-Norpregna-1,3,5(10)-trien-20-yne-3,4,17-triol, (17α)- 4-Hydroxy Ethinylestradiol (17α)-19-Norpregna-1,3,5(10)-trien-20-yne-3,4,17-triol 50394-90-6 Intermediates & Fine Chemicals Metabolites & Impurities Pharmaceuticals Steroids