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Levonorgestrel impurity B

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For Research Use Only | Not For Clinical Use
CATAPS19914671
CAS19914-67-1
Structure
SynonymsLevonorgestrel Imp. B (EP), 13-Ethyl-17α-ethynyl-17-hydroxygon-5(10)-en-3-one, 18,19-Dinor-17α-pregn-5(10)-en-20-yn-3-one, 13-ethyl-17-hydroxy- (7CI,8CI),(17α)-13-ethyl-17-hydroxy-18,19-Dinorpregn-5(10)-en-20-yn-3-one
IUPAC Name(8R,9S,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,4,6,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one
Molecular Weight312.45
Molecular FormulaC21H28O2
Canonical SMILESCC[C@]12CC[C@H]3[C@@H](CCC4=C3CCC(=O)C4)[C@@H]1CC[C@@]2(O)C#C
InChIInChI=1S/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
Accurate Mass312.2089
API FamilyMatrix - API Family See respective official monograph(s)
FormatNeat
ShippingRoom Temperature
Storage Conditions2-8°C Fridge/Coldroom
SubcategoryEuropean Pharmacopoeia (Ph. Eur.)
TypeImpurity
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