(8S,9S,10R,13S,14S)-13-ethyl-11-methylene-1,4,7,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17(2H)-one

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Catalogue number:	PA 32 0311014
Chemical name:	(8S,9S,10R,13S,14S)-13-ethyl-11-methylene-1,4,7,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17(2H)-one
CAS Number:	149438-01-7
Category:	impurities,pharmaceutical standards,intermediates,Fine Chemicals
Synonyms:	Gon-5-ene-3,17-dione, 13-ethyl-11-methylene-, cyclic 3-(1,2-ethanediyl acetal);
Molecular form:	C₂₂H₃₀O₃
Appearance:	NA
Mol. Weight:	342.48
Storage:	2-8°C Refrigerator
Shipping Conditions:	Ambient
Applications:	13-ethyl-11-methylene-Gon-5-ene-3,17-dione cyclic 3-(1,2-ethanediyl acetal) is an impurity of Desogestrel (D296875) a progestogen with low androgenic potency.

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