药物信息为PROPECIA (finasteride) Tablets, 1 mg (Merck & Co., Inc.): DESCRIPTION
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- Diseases/Conditions Related to PROPECIA (finasteride) Tablets, 1 mg (Merck & Co., Inc.)
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PROPECIA
Registered trademark of MERCK & CO., Inc.COPYRIGHT © 1997 MERCK & CO., Inc.All rights reserved
(finasteride), a synthetic 4-azasteroid compound, is a specific inhibitor of steroid Type II 5α-reductase, an intracellular enzyme that converts the androgen testosterone into 5α-dihydrotestosterone (DHT).Finasteride is 4-azaandrost-1-ene-17-carboxamide,N-(1,1-dimethylethyl)-3-oxo-,(5α,17β)-. The empirical formula of finasteride is C23H36N2O2 and its molecular weight is 372.55. Its structural formula is:
Finasteride is a white crystalline powder with a melting point near 250°C. It is freely soluble in chloroform and in lower alcohol solvents but is practically insoluble in water.
PROPECIA tablets for oral administration are film-coated tablets that contain 1 mg of finasteride and the following inactive ingredients: lactose monohydrate, microcrystalline cellulose, pregelatinized starch, sodium starch glycolate, hydroxypropyl methylcellulose, hydroxypropyl cellulose LF, titanium dioxide, magnesium stearate, talc, docusate sodium, yellow ferric oxide, and red ferric oxide.
- Drug Information Provided by National Library of Medicine (NLM).
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