DESCRIPTION
uniretic® (moexipril hydrochloride/hydrochlorothiazide) is a combination of an angiotensin-converting enzyme (ACE) inhibitor, moexipril hydrochloride, and a diuretic, hydrochlorothiazide. Moexipril hydrochloride is a fine white to off-white powder. It is soluble (about 10% weight-to-volume) in distilled water at room temperature. It has the empirical formula C27H34N2O7·HCl and a molecular weight of 535.04. It is chemically described as [3S-[2[R*(R*)],3R*]]-2-[2-[[1-(Ethoxycarbonyl)-3-phenyl-propyl]amino]-1-oxopropyl]-1,2,3,4-tetrahydro-6,7-dimethoxy-3-isoquinolinecarboxylic acid, monohydrochloride. Moexipril hydrochloride is a non-sulfhydryl containing precursor of the active ACE inhibitor moexiprilat and its structural formula is:
Hydrochlorothiazide is a white, or practically white, crystalline powder. It is slightly soluble in water, freely soluble in sodium hydroxide solution, in n-butylamine and in dimethylformamide. Hydrochlorothiazide has the empirical formula C7H8CIN3O4S2 and a molecular weight of 297.75. It is chemically described as 2 H -1,2,4-Benzothiadiazine-7-sulfonamide,6-chloro-3,4-dihydro-,1,1-dioxide. Hydrochlorothiazide is a thiazide diuretic and its structural formula is:
uniretic® is available for oral administration in three tablet strengths. The inactive ingredients in all strengths are lactose, magnesium oxide, crospovidone, magnesium stearate and gelatin. The film coating in all strengths contains hypromellose, hydroxypropyl cellulose, polyethylene glycol 6000, magnesium stearate and titanium dioxide. In addition, the film coating for uniretic® 7.5 mg / 12.5 mg and uniretic® 15 mg / 25 mg contains ferric oxide.
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