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

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-17α-ethynyl-17-hydroxygon-5(10)-en-3-one;13-Ethyl-17a-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
Molecular Weight:
312.45
MDL Number:
MOL File:
19914-67-1.mol
Last updated:2023-05-15 10:43:27

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

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)
FDA UNII E8SU3M53QV

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

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich Y0001379 Levonorgestrel impurity B European Pharmacopoeia (EP) Reference Standard 19914-67-1 y0001379 $220 2024-03-01 Buy
Biosynth Carbosynth IE23089 13-Ethyl-17-hydroxy-18,19-dinor-17a-pregn-5(10)-en-20-yn-3-one - EP 19914-67-1 1mg $254.4 2021-12-16 Buy
Biosynth Carbosynth IE23089 13-Ethyl-17-hydroxy-18,19-dinor-17a-pregn-5(10)-en-20-yn-3-one - EP 19914-67-1 2mg $462.5 2021-12-16 Buy
Biosynth Carbosynth IE23089 13-Ethyl-17-hydroxy-18,19-dinor-17a-pregn-5(10)-en-20-yn-3-one - EP 19914-67-1 5mg $840.9 2021-12-16 Buy
Biosynth Carbosynth IE23089 13-Ethyl-17-hydroxy-18,19-dinor-17a-pregn-5(10)-en-20-yn-3-one - EP 19914-67-1 10mg $1528.8 2021-12-16 Buy
Product number Packaging Price Buy
Y0001379 y0001379 $220 Buy
IE23089 1mg $254.4 Buy
IE23089 2mg $462.5 Buy
IE23089 5mg $840.9 Buy
IE23089 10mg $1528.8 Buy

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

Preparation Products

Global( 46)Suppliers
Supplier Tel Email Country ProdList Advantage
Standardpharm Co. Ltd.
86-714-3992388 overseasales1@yongstandards.com United States 14336 58
Career Henan Chemica Co
+86-0371-86658258 15093356674; laboratory@coreychem.com China 30255 58
CR Corporation Lomited
fred.wen@crcorporation.cn CHINA 12069 58
Changsha Junyu Chemexpress.co., Ltd
+86-13723890100 info@csjyyy.cn China 134 58
China National Standard Pharmaceutical Corporation Limited
+8615391658522 overseasales@yongstandards.com China 11927 58
Guangzhou PI PI Biotech Inc +86-020-81716320 +86-13602409664 Sales@pipitech.com China 3635 55
J & K SCIENTIFIC LTD. 010-82848833 400-666-7788 jkinfo@jkchemical.com China 94838 76
Chemsky(shanghai)International Co.,Ltd. 021-50135380 shchemsky@sina.com China 32344 50
BOC Sciences 1-631-485-4226; 16314854226 info@bocsci.com United States 14059 65
Clearsynth Labs Limited +91-22-26355700 info@clearsynth.com India 9685 58
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) 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) Levonorgestrel EP impurity B 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