Clascoterone and its Impurities
Clascoterone, sold under the brand name Winlevi, is an antiandrogen medication which is used topically in the treatment of acne. Reference standards of Clascoterone API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
(8R,9S,10R,13S,14S,17R)-2'-Ethoxy-2'-ethyl-10,13-dimethyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-17,4'-[1,3]dioxane]-3,5'(2H)-dione
(8R,9S,10R,13S,14S,17R)-2'-Ethoxy-2'-ethyl-10,13-dimethyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-17,4'-[1,3]dioxane]-3,5'(2H)-dione
Catalogue No.:PA 03 4421000
CAS :
85198-30-7
Molecular Formula : C26H38O5
Molecular Weight : 430.59
(8R,9S,10R,13S,14S,17R)-17-(2-Hydroxyacetyl)-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate
(8R,9S,10R,13S,14S,17R)-17-(2-Hydroxyacetyl)-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate
Catalogue No.:PA 03 4421001
CAS :
NA
Molecular Formula : C24H32O5
Molecular Weight : 400.52
