SPL Set ID: b88054b3-fafa-4b4e-acf5-5294e5555720

Telmisartan and hydrochlorothiazide tablets USP are a combination of telmisartan, an orally active angiotensin II antagonist acting on the AT 1 receptor subtype, and hydrochlorothiazide, a thiazide diuretic. Telmisartan, a non-peptide molecule, is chemically described as 4'-[(1, 4'-dimethyl-2'-propyl[2,6'-bi-1 H -benzimidazol]-1'-yl)methyl]-[1,1'-biphenyl]-2-carboxylic acid. Its empirical formula is C 33 H 30 N 4 O 2 , its molecular weight is 514.63, and its structural formula is: Telmisartan is a white to slightly yellowish solid. It is practically insoluble in water and in the pH range of 3 to 9, sparingly soluble in strong acid (except insoluble in hydrochloric acid), and soluble in strong base. Hydrochlorothiazide is a white, or practically white, practically odorless, crystalline powder with a molecular weight of 297.74. It is slightly soluble in water, and freely soluble in sodium hydroxide solution. Hydrochlorothiazide is chemically described as 6-chloro-3,4-dihydro-2 H -1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide. Its empirical formula is C 7 H 8 ClN 3 O 4 S 2 , and its structural formula is: Telmisartan and hydrochlorothiazide tablets USP are formulated for oral administration in three combinations of 40 mg/12.5 mg, 80 mg/12.5 mg, and 80 mg/25 mg telmisartan and hydrochlorothiazide, respectively. The tablets contain the following inactive ingredients: crosscarmalose sodium, lactose monohydrate, magnesium stearate, povidone and sodium hydroxide. As coloring agents, the 40 mg/12.5 mg and 80 mg/12.5 mg tablets contain red iron oxide, and the 80 mg/25 mg tablets contain yellow iron oxide. image-01 image-02