
CAS 19914-67-1: 13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one
Formula:C21H28O2
InChI:InChI=1/C21H28O2/c1-3-20-11-9-17-16-8-6-15(22)13-14(16)5-7-18(17)19(20)10-12-21(20,23)4-2/h2,17-19,23H,3,5-13H2,1H3/t17?,18-,19?,20+,21+/m1/s1
Synonyms:- 17-Ethinyl-17-hydroxy-18-methylestr-5(10)-en-3-one
- 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
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Found 5 products.
13-Ethyl-17-hydroxy-18,19-dinor-17a-pregn-5(10)-en-20-yn-3-one - EP
CAS:Controlled ProductPlease enquire for more information about 13-Ethyl-17-hydroxy-18,19-dinor-17a-pregn-5(10)-en-20-yn-3-one - EP including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormula:C21H28O2Purity:Min. 95%Molecular weight:312.45 g/mol13-Ethyl-17-hydroxy-18,19-dinor-17Alpha-pregn-5(10)-en-20-yn-3-one(Levo Norgestrel Impurity)
CAS:Controlled ProductImpurity Levonorgestrel EP Impurity B Applications 13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5(10)-en-20-yn-3-one (Levonorgestrel EP Impurity B) is an impurity of Levonorgestrel. References McGinty, D., et al.: Endocrinology, 24, 829 (1939), Belanger, A., et al.: Steroids, 37, 361 (1981), Nieman, L., et al.: J. Clin. Endocrinol. Metab., 61, 536 (1985), Klebe, G., et al.: J. Med. Chem., 37, 4130 (1994),Formula:C21H28O2Color and Shape:NeatMolecular weight:312.45Levonorgestrel EP Impurity B
CAS:Formula:C21H28O2Color and Shape:White To Off-White SolidMolecular weight:312.45