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| Product | Description | |
|---|---|---|
| Finasteride EP Impurity B | An intermediate in the synthesis of Finasteride. Finasteride is a 4-azasteroid analog of testosterone that competitively blocks type II 5α-reductase activity with 100-fold greater affinity than for the type I enzyme. Group: Pharmaceutical. Alternative Names: Dutasteride Methyl ester Imp; Dutasteride Ester Impurity; 4-Azaandrost-1-ene-17-carboxylic acid, 3-oxo-, methyl ester, (5α,17β)-; 17β-(Methoxycarbonyl)-4-aza-5α-androst-1-en-3-one; 1H-Indeno[5,4-f]quinoline-7-carboxylic acid, 1,4a,4b,5,6,6a,7,8,9,9a,9b,10,11,11a-tetradecahydro-4a,6a-dimethyl-2-oxo-, methyl ester, [4aR-(4aα,4bβ,6aα,7α,9aβ,9bα,11aβ)]-; 3-Oxo-4-aza-5α-androst-1-en-17β-carboxylic acid methyl ester; Methyl 3-oxo-4-aza-5α-androst-1-ene-17β-carboxylate; Dutasteride methyl ester; Finasteride Methyl Ester Analog. CAS No. 103335-41-7. Pack Sizes: 100 mg. Product ID: B2694-255935. Molecular formula: C20H29NO3. Mole weight: 331.46. Custom synthesis is available. Send your inquiries for more information. |  London |
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