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(13S)-16α,2-Dibromo-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one is an intermediate in the synthesis of Gona-1,3,5(10)-triene derivatives. Group: Biochemicals. Alternative Names: (13S) -2, 16-Dibromo-13-ethyl-3-methoxy-7, 8, 9, 11, 12, 13, 15, 16-octahydro-6H-cyclopenta [a]phenanthren-17 (14H) -one. Grades: Highly Purified. Pack Sizes: 2.5mg. US Biological Life Sciences.
17-Desethynyl 17-Dibromomethylaceto-norethindrone Acetate is an intermediate of Norethindrone, which is an oral contraceptive involved in the inhibition of cytosolic sulfotransferases. Synonyms: 17-Dibromomethylaceto-19-norpregn-4-ene-3,20-dione; Norethindrone Acetate Impurity 13; (17α)-21,21-Dibromo-3,20-dioxo-19-norpregn-4-en-17-yl acetate; (8R,9S,10R,13S,14S,17S)-17-(2,2-dibromoacetyl)-13-methyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl acetate; Estr-4-en-3-one, 17-(acetyloxy)-17-(2,2-dibromoacetyl)-, (17β)-. Grades: ≥95%. CAS No. 40228-41-9. Molecular formula: C22H28Br2O4. Mole weight: 516.26.
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