5(6)-Dehydro-4(5)-dihydro D-(-)-Norgestrel

Synonyma:: DELTA-5(6)-LEVONORGESTREL;Levonorgestrel IMpurity P;Levonorgestrel EP impurity P;5(6)-Dehydro-4(5)-dihydro D-(-)-Norgestrel;5(6)-Dehydro-4(5)-dihydro D-(-)-Norgestrel (~90%);Levonorgestrel Impurity 16（Levonorgestrel EP Impurity P）;13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5-en-20-yn-3-one;(17a)-13-Ethyl-17-hydroxy-18,19-dinorpregn-5-en-20-yn-3-one;(17α)-13-Ethyl-17-hydroxy-18,19-dinorpregn-5-en-20-yn-3-one;(17alpha)-13-Ethyl-17-hydroxy-18,19-dinorpregn-5-en-20-yn-3-one

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5(6)-Dehydro-4(5)-dihydro D-(-)-Norgestrel Eigenschaften

5(6)-Dehydro-4(5)-dihydro D-(-)-Norgestrel (Levonorgestrel EP Impurity P) is a Norgestrel (N689500) impurity.

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Firmenname	Telefon	E-Mail	Land	Produktkatalog	Edge Rate
Standardpharm Co. Ltd.	86-714-3992388	overseasales1@yongstandards.com	United States	14332	58
Alfa Chemistry	+1-5166625404;	Info@alfa-chemistry.com	United States	20405	58
LangFangshi Zekang Pharma Tech CO.,Itd.	0316-2883536 19333636468	93618484@qq.com	China	2591	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
BOC Sciences	1-631-485-4226; 16314854226	info@bocsci.com	United States	9920	65
Quality Control Solutions Ltd.	0755-66853366 13670046396	orders@qcsrm.com	China	18190	56
BOC Sciences	16314854226	info@bocsci.com	United States	9923	65
Hubei Yangxin Medical Technology Co., Ltd.	15374522761	3003392093@yongstandards.com	China	9930	55
Shenzhen Polymeri Biochemical Technology Co., Ltd.	+86-400-002-6226 +86-13028896684;	sales@rrkchem.com	China	57422	58

(±)-13-Ethyl-3-methoxy-18,19-dinor-17α-pregna-2,5(10)-dien-20-yn-17-ol 13-Ethyl-3-methoxy-18,19-dinor-17α-pregna-2,5(10)-dien-20-yn-17-ol Norethisteron Levonorgestrel (±)-13-Ethyl-3-methoxygona-2,5(10)-dien-17β-ol

5(6)-Dehydro-4(5)-dihydro D-(-)-Norgestrel
(17alpha)-13-Ethyl-17-hydroxy-18,19-dinorpregn-5-en-20-yn-3-one
(17α)-13-Ethyl-17-hydroxy-18,19-dinorpregn-5-en-20-yn-3-one
Levonorgestrel IMpurity P
5(6)-Dehydro-4(5)-dihydro D-(-)-Norgestrel (~90%)
Levonorgestrel EP impurity P
(17a)-13-Ethyl-17-hydroxy-18,19-dinorpregn-5-en-20-yn-3-one
Levonorgestrel Impurity 16（Levonorgestrel EP Impurity P）
(8R,9S,10R,13R,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,4,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one
18,19-Dinorpregn-5-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (17α)- (9CI)
DELTA-5(6)-LEVONORGESTREL
13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5-en-20-yn-3-one
100021-05-4
Impurities
Intermediates & Fine Chemicals
Pharmaceuticals
Steroids