terazosin hydrochloride - Medications

Terazosin hydrochloride, USP an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative. The chemical name for terazosin hydrochloride, USP is (RS)-Piperazine, 1-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetra-hydro-2-furanyl)carbonyl]-, monohydrochloride, dihydrate. It has the following structural formula: Terazosin hydrochloride, USP is a white, crystalline substance, freely soluble in water and isotonic saline. Each capsule for oral administration, contains terazosin hydrochloride, USP equivalent to 1 mg, 2 mg, 5 mg or 10 mg terazosin. In addition, each capsule contains the following inactive ingredients: crospovidone, lactose monohydrate, magnesium stearate, talc and corn starch. The capsule shells and imprinting inks contain: titanium dioxide, gelatin, shellac glaze, black iron oxide, n-butyl alcohol, propylene glycol, FD&C Blue #2 aluminum lake, FD&C Red #40 aluminum lake, D&C Yellow #10 aluminum lake and FD&C Blue #1. The 2 mg capsule shell also contains D&C Red #33. FDA approved dissolution test specifications differ from USP. Image

Terazosin hydrochloride, an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name,molecular formula and structural formula: (RS)-Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]-, monohydrochloride.C 19 H 26 ClN 5 O 4 Terazosin hydrochloride is a white, crystalline substance, freely soluble in water and isotonic saline and has a molecular weight of 423.93. Each capsule, for oral administration, contains 1 mg, 2 mg, 5 mg or 10 mg of terazosin as terazosin hydrochlolde. In addition, each capsule contains the following inactive ingredients: colloidal silicon dioxide, lactose monohydrate, magnesium stearate, and pregelatinized starch. The gelatin capsule contains gelatin, silicon dioxide, sodium lauryl sulfate, and titanium dioxide. The 1 mg shell also contains black iron oxide; the 2 mg capsule shell also contains D&C Yellow #10; the 5 mg capsule shell also contains D&C Yellow #10, FD&C Red #40 and D&C Red #28; the 10 mg capsule shell also contains FD&C Green #3 and D&C Yellow#10. Terazosin Hydrochloride Chemical Structure

Terazosin hydrochloride, USP an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name and structural formula: (RS)-Piperazine,1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetra-hydro-2-furanyl)carbonyl]-, monohydrochloride, dihydrate. Terazosin hydrochloride, USP is a white to pale yellow crystalline powder, slightly soluble in water pH 1.3 (HCl), water pH 12.6 (NaOH), ethanol 95% and chloroform, sparingly soluble in water pH 6, soluble in methanol, and practically insoluble in n-hexane. Its molecular formula is C 19 H 25 N 5 O 4 •HCl•2H 2 O and has a molecular weight of 459.93 g/mole. Each capsule, for oral administration, contains terazosin hydrochloride, USP equivalent to 1 mg, 2 mg, 5 mg, or 10 mg of terazosin. In addition, each capsule contains the following inactive ingredients: Colloidal silicon dioxide, lactose monohydrate, magnesium stearate, and pregelatinized starch. The capsule shell contains D&C yellow no. 10 (2 mg, 5 mg and 10 mg), D&C red no. 28 (5 mg), FD& C green no. 3 (10 mg), FD&C red no. 40 (5 mg), gelatin, iron oxide black (1 mg), sodium lauryl sulfate, and titanium dioxide. The capsules are printed with black ink composed of ammonia solution, black iron oxide, potassium hydroxide, propylene glycol, and shellac. FDA approved dissolution test specifications differ from USP. image description

Terazosin hydrochloride, an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name,molecular formula and structural formula: (RS)-Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]-, monohydrochloride.C 19 H 26 ClN 5 O 4 Terazosin hydrochloride is a white, crystalline substance, freely soluble in water and isotonic saline and has a molecular weight of 423.93. Each capsule, for oral administration, contains 1 mg, 2 mg, 5 mg or 10 mg of terazosin as terazosin hydrochlolde. In addition, each capsule contains the following inactive ingredients: colloidal silicon dioxide, lactose monohydrate, magnesium stearate, and pregelatinized starch. The gelatin capsule contains gelatin, silicon dioxide, sodium lauryl sulfate, and titanium dioxide. The 1 mg shell also contains black iron oxide; the 2 mg capsule shell also contains D&C Yellow #10; the 5 mg capsule shell also contains D&C Yellow #10, FD&C Red #40 and D&C Red #28; the 10 mg capsule shell also contains FD&C Green #3 and D&C Yellow#10. Terazosin Hydrochloride Chemical Structure

Terazosin hydrochloride, an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name,molecular formula and structural formula: (RS)-Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]-, monohydrochloride.C 19 H 26 ClN 5 O 4 Terazosin hydrochloride is a white, crystalline substance, freely soluble in water and isotonic saline and has a molecular weight of 423.93. Each capsule, for oral administration, contains 1 mg, 2 mg, 5 mg or 10 mg of terazosin as terazosin hydrochlolde. In addition, each capsule contains the following inactive ingredients: colloidal silicon dioxide, lactose monohydrate, magnesium stearate, and pregelatinized starch. The gelatin capsule contains gelatin, silicon dioxide, sodium lauryl sulfate, and titanium dioxide. The 1 mg shell also contains black iron oxide; the 2 mg capsule shell also contains D&C Yellow #10; the 5 mg capsule shell also contains D&C Yellow #10, FD&C Red #40 and D&C Red #28; the 10 mg capsule shell also contains FD&C Green #3 and D&C Yellow#10.

Terazosin hydrochloride, an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name,molecular formula and structural formula: (RS)-Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]-, monohydrochloride.C 19 H 26 ClN 5 O 4 Terazosin hydrochloride is a white, crystalline substance, freely soluble in water and isotonic saline and has a molecular weight of 423.93. Each capsule, for oral administration, contains 1 mg, 2 mg, 5 mg or 10 mg of terazosin as terazosin hydrochlolde. In addition, each capsule contains the following inactive ingredients: colloidal silicon dioxide, lactose monohydrate, magnesium stearate, and pregelatinized starch. The gelatin capsule contains gelatin, silicon dioxide, sodium lauryl sulfate, and titanium dioxide. The 1 mg shell also contains black iron oxide; the 2 mg capsule shell also contains D&C Yellow #10; the 5 mg capsule shell also contains D&C Yellow #10, FD&C Red #40 and D&C Red #28; the 10 mg capsule shell also contains FD&C Green #3 and D&C Yellow#10.

Terazosin hydrochloride, USP an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative. The chemical name for terazosin hydrochloride, USP is (RS)-Piperazine, 1-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetra-hydro-2-furanyl)carbonyl]-, monohydrochloride, dihydrate. It has the following structural formula: Terazosin hydrochloride, USP is a white, crystalline substance, freely soluble in water and isotonic saline. Each capsule for oral administration, contains terazosin hydrochloride, USP equivalent to 1 mg, 2 mg, 5 mg or 10 mg terazosin. In addition, each capsule contains the following inactive ingredients: crospovidone, lactose monohydrate, magnesium stearate, talc and corn starch. The capsule shells and imprinting inks contain: titanium dioxide, gelatin, shellac glaze, black iron oxide, n-butyl alcohol, propylene glycol, FD&C Blue #2 aluminum lake, FD&C Red #40 aluminum lake, D&C Yellow #10 aluminum lake and FD&C Blue #1. The 2 mg capsule shell also contains D&C Red #33. FDA approved dissolution test specifications differ from USP. Image

Terazosin hydrochloride, an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name,molecular formula and structural formula: (RS)-Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]-, monohydrochloride.C 19 H 26 ClN 5 O 4 Terazosin hydrochloride is a white, crystalline substance, freely soluble in water and isotonic saline and has a molecular weight of 423.93. Each capsule, for oral administration, contains 1 mg, 2 mg, 5 mg or 10 mg of terazosin as terazosin hydrochlolde. In addition, each capsule contains the following inactive ingredients: colloidal silicon dioxide, lactose monohydrate, magnesium stearate, and pregelatinized starch. The gelatin capsule contains gelatin, silicon dioxide, sodium lauryl sulfate, and titanium dioxide. The 1 mg shell also contains black iron oxide; the 2 mg capsule shell also contains D&C Yellow #10; the 5 mg capsule shell also contains D&C Yellow #10, FD&C Red #40 and D&C Red #28; the 10 mg capsule shell also contains FD&C Green #3 and D&C Yellow#10. structure

Terazosin hydrochloride, an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name,molecular formula and structural formula: (RS)-Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]-, monohydrochloride.C 19 H 26 ClN 5 O 4 Terazosin hydrochloride is a white, crystalline substance, freely soluble in water and isotonic saline and has a molecular weight of 423.93. Each capsule, for oral administration, contains 1 mg, 2 mg, 5 mg or 10 mg of terazosin as terazosin hydrochlolde. In addition, each capsule contains the following inactive ingredients: colloidal silicon dioxide, lactose monohydrate, magnesium stearate, and pregelatinized starch. The gelatin capsule contains gelatin, silicon dioxide, sodium lauryl sulfate, and titanium dioxide. The 1 mg shell also contains black iron oxide; the 2 mg capsule shell also contains D&C Yellow #10; the 5 mg capsule shell also contains D&C Yellow #10, FD&C Red #40 and D&C Red #28; the 10 mg capsule shell also contains FD&C Green #3 and D&C Yellow#10. Terazosin Hydrochloride Chemical Structure

Terazosin hydrochloride, an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name,molecular formula and structural formula: (RS)-Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]-, monohydrochloride.C 19 H 26 ClN 5 O 4 Terazosin hydrochloride is a white, crystalline substance, freely soluble in water and isotonic saline and has a molecular weight of 423.93. Each capsule, for oral administration, contains 1 mg, 2 mg, 5 mg or 10 mg of terazosin as terazosin hydrochlolde. In addition, each capsule contains the following inactive ingredients: colloidal silicon dioxide, lactose monohydrate, magnesium stearate, and pregelatinized starch. The gelatin capsule contains gelatin, silicon dioxide, sodium lauryl sulfate, and titanium dioxide. The 1 mg shell also contains black iron oxide; the 2 mg capsule shell also contains D&C Yellow #10; the 5 mg capsule shell also contains D&C Yellow #10, FD&C Red #40 and D&C Red #28; the 10 mg capsule shell also contains FD&C Green #3 and D&C Yellow#10. structure

Terazosin hydrochloride, an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name,molecular formula and structural formula: (RS)-Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]-, monohydrochloride.C 19 H 26 ClN 5 O 4 Terazosin hydrochloride is a white, crystalline substance, freely soluble in water and isotonic saline and has a molecular weight of 423.93. Each capsule, for oral administration, contains 1 mg, 2 mg, 5 mg or 10 mg of terazosin as terazosin hydrochlolde. In addition, each capsule contains the following inactive ingredients: colloidal silicon dioxide, lactose monohydrate, magnesium stearate, and pregelatinized starch. The gelatin capsule contains gelatin, silicon dioxide, sodium lauryl sulfate, and titanium dioxide. The 1 mg shell also contains black iron oxide; the 2 mg capsule shell also contains D&C Yellow #10; the 5 mg capsule shell also contains D&C Yellow #10, FD&C Red #40 and D&C Red #28; the 10 mg capsule shell also contains FD&C Green #3 and D&C Yellow#10. Terazosin Hydrochloride Chemical Structure

Terazosin hydrochloride USP, an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name, molecular formula and structural formula: Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]-, monohydrochloride, dihydrate. C 19 H 25 N 5 O 4 HCl 2H 2 O. Terazosin hydrochloride, USP is a white to pale yellow, crystalline powder. Soluble in methanol, sparingly soluble in water, slightly soluble in alcohol and in 0.1 N hydrochloric acid, very slightly soluble in isotonic saline solution and in chloroform and practically insoluble in acetone and in hexanes and has a molecular weight of 459.93. Each capsule, for oral administration, contains the following inactive ingredients: colloidal silicon dioxide, lactose monohydrate, magnesium stearate, and pregelatinized starch. The gelatin capsule contains gelatin, sodium lauryl sulfate, and titanium dioxide. The 1 mg shell also contains ferric oxide black; the 2 mg capsule shell also contains D&C Yellow-10; the 5 mg capsule shell also contains D&C Yellow-10, D&C Red-28 and FD&C Red-40; the 10 mg capsule shell also contains D&C Yellow-10 and FD&C Green-3. Imprinting ink contains shellac, propylene glycol, butyl alcohol, potassium hydroxide and black iron oxide. FDA approved dissolution test specifications differ from USP. structure

Terazosin hydrochloride, an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name,molecular formula and structural formula: (RS)-Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]-, monohydrochloride.C 19 H 26 ClN 5 O 4 Terazosin hydrochloride is a white, crystalline substance, freely soluble in water and isotonic saline and has a molecular weight of 423.93. Each capsule, for oral administration, contains 1 mg, 2 mg, 5 mg or 10 mg of terazosin as terazosin hydrochlolde. In addition, each capsule contains the following inactive ingredients: colloidal silicon dioxide, lactose monohydrate, magnesium stearate, and pregelatinized starch. The gelatin capsule contains gelatin, silicon dioxide, sodium lauryl sulfate, and titanium dioxide. The 1 mg shell also contains black iron oxide; the 2 mg capsule shell also contains D&C Yellow #10; the 5 mg capsule shell also contains D&C Yellow #10, FD&C Red #40 and D&C Red #28; the 10 mg capsule shell also contains FD&C Green #3 and D&C Yellow#10. Terazosin Hydrochloride Chemical Structure

Terazosin hydrochloride, an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name,molecular formula and structural formula: (RS)-Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]-, monohydrochloride.C 19 H 26 ClN 5 O 4 Terazosin hydrochloride is a white, crystalline substance, freely soluble in water and isotonic saline and has a molecular weight of 423.93. Each capsule, for oral administration, contains 1 mg, 2 mg, 5 mg or 10 mg of terazosin as terazosin hydrochlolde. In addition, each capsule contains the following inactive ingredients: colloidal silicon dioxide, lactose monohydrate, magnesium stearate, and pregelatinized starch. The gelatin capsule contains gelatin, silicon dioxide, sodium lauryl sulfate, and titanium dioxide. The 1 mg shell also contains black iron oxide; the 2 mg capsule shell also contains D&C Yellow #10; the 5 mg capsule shell also contains D&C Yellow #10, FD&C Red #40 and D&C Red #28; the 10 mg capsule shell also contains FD&C Green #3 and D&C Yellow#10. Terazosin Hydrochloride Chemical Structure

Terazosin hydrochloride, USP an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name and structural formula: (RS)-Piperazine,1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetra-hydro-2-furanyl)carbonyl]-, monohydrochloride, dihydrate. Terazosin hydrochloride, USP is a white to pale yellow crystalline powder, slightly soluble in water pH 1.3 (HCl), water pH 12.6 (NaOH), ethanol 95% and chloroform, sparingly soluble in water pH 6, soluble in methanol, and practically insoluble in n-hexane. Its molecular formula is C 19 H 25 N 5 O 4 •HCl•2H 2 O and has a molecular weight of 459.93 g/mole. Each capsule, for oral administration, contains terazosin hydrochloride, USP equivalent to 1 mg, 2 mg, 5 mg, or 10 mg of terazosin. In addition, each capsule contains the following inactive ingredients: Colloidal silicon dioxide, lactose monohydrate, magnesium stearate, and pregelatinized starch. The capsule shell contains D&C yellow no. 10 (2 mg, 5 mg and 10 mg), D&C red no. 28 (5 mg), FD& C green no. 3 (10 mg), FD&C red no. 40 (5 mg), gelatin, iron oxide black (1 mg), sodium lauryl sulfate, and titanium dioxide. The capsules are printed with black ink composed of ammonia solution, black iron oxide, potassium hydroxide, propylene glycol, and shellac. FDA approved dissolution test specifications differ from USP. image description

Terazosin hydrochloride, USP an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative. The chemical name for terazosin hydrochloride, USP is (RS)-Piperazine, 1-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetra-hydro-2-furanyl)carbonyl]-, monohydrochloride, dihydrate. It has the following structural formula: Terazosin hydrochloride, USP is a white, crystalline substance, freely soluble in water and isotonic saline. Each capsule for oral administration, contains terazosin hydrochloride, USP equivalent to 1 mg, 2 mg, 5 mg or 10 mg terazosin. In addition, each capsule contains the following inactive ingredients: crospovidone, lactose monohydrate, magnesium stearate, talc and corn starch. The capsule shells and imprinting inks contain: titanium dioxide, gelatin, shellac glaze, black iron oxide, n-butyl alcohol, propylene glycol, FD&C Blue #2 aluminum lake, FD&C Red #40 aluminum lake, D&C Yellow #10 aluminum lake and FD&C Blue #1. The 2 mg capsule shell also contains D&C Red #33. FDA approved dissolution test specifications differ from USP.

Terazosin hydrochloride, an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name,molecular formula and structural formula: (RS)-Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]-, monohydrochloride.C 19 H 26 ClN 5 O 4 Terazosin hydrochloride is a white, crystalline substance, freely soluble in water and isotonic saline and has a molecular weight of 423.93. Each capsule, for oral administration, contains 1 mg, 2 mg, 5 mg or 10 mg of terazosin as terazosin hydrochlolde. In addition, each capsule contains the following inactive ingredients: colloidal silicon dioxide, lactose monohydrate, magnesium stearate, and pregelatinized starch. The gelatin capsule contains gelatin, silicon dioxide, sodium lauryl sulfate, and titanium dioxide. The 1 mg shell also contains black iron oxide; the 2 mg capsule shell also contains D&C Yellow #10; the 5 mg capsule shell also contains D&C Yellow #10, FD&C Red #40 and D&C Red #28; the 10 mg capsule shell also contains FD&C Green #3 and D&C Yellow#10. Terazosin Hydrochloride Chemical Structure

Terazosin hydrochloride, an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name,molecular formula and structural formula: (RS)-Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]-, monohydrochloride.C 19 H 26 ClN 5 O 4 Terazosin hydrochloride is a white, crystalline substance, freely soluble in water and isotonic saline and has a molecular weight of 423.93. Each capsule, for oral administration, contains 1 mg, 2 mg, 5 mg or 10 mg of terazosin as terazosin hydrochlolde. In addition, each capsule contains the following inactive ingredients: colloidal silicon dioxide, lactose monohydrate, magnesium stearate, and pregelatinized starch. The gelatin capsule contains gelatin, silicon dioxide, sodium lauryl sulfate, and titanium dioxide. The 1 mg shell also contains black iron oxide; the 2 mg capsule shell also contains D&C Yellow #10; the 5 mg capsule shell also contains D&C Yellow #10, FD&C Red #40 and D&C Red #28; the 10 mg capsule shell also contains FD&C Green #3 and D&C Yellow#10. structure

Terazosin hydrochloride, an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name,molecular formula and structural formula: (RS)-Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]-, monohydrochloride.C 19 H 26 ClN 5 O 4 Terazosin hydrochloride is a white, crystalline substance, freely soluble in water and isotonic saline and has a molecular weight of 423.93. Each capsule, for oral administration, contains 1 mg, 2 mg, 5 mg or 10 mg of terazosin as terazosin hydrochlolde. In addition, each capsule contains the following inactive ingredients: colloidal silicon dioxide, lactose monohydrate, magnesium stearate, and pregelatinized starch. The gelatin capsule contains gelatin, silicon dioxide, sodium lauryl sulfate, and titanium dioxide. The 1 mg shell also contains black iron oxide; the 2 mg capsule shell also contains D&C Yellow #10; the 5 mg capsule shell also contains D&C Yellow #10, FD&C Red #40 and D&C Red #28; the 10 mg capsule shell also contains FD&C Green #3 and D&C Yellow#10. Terazosin Hydrochloride Chemical Structure

Terazosin hydrochloride, USP an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative. The chemical name for terazosin hydrochloride, USP is (RS)-Piperazine, 1-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetra-hydro-2-furanyl)carbonyl]-, monohydrochloride, dihydrate. It has the following structural formula: Terazosin hydrochloride, USP is a white, crystalline substance, freely soluble in water and isotonic saline. Each capsule for oral administration, contains terazosin hydrochloride, USP equivalent to 1 mg, 2 mg, 5 mg or 10 mg terazosin. In addition, each capsule contains the following inactive ingredients: crospovidone, lactose monohydrate, magnesium stearate, talc and corn starch. The capsule shells and imprinting inks contain: titanium dioxide, gelatin, shellac glaze, black iron oxide, n-butyl alcohol, propylene glycol, FD&C Blue #2 aluminum lake, FD&C Red #40 aluminum lake, D&C Yellow #10 aluminum lake and FD&C Blue #1. The 2 mg capsule shell also contains D&C Red #33. FDA approved dissolution test specifications differ from USP. image description

Terazosin hydrochloride, an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name,molecular formula and structural formula: (RS)-Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]-, monohydrochloride.C 19 H 26 ClN 5 O 4 Terazosin hydrochloride is a white, crystalline substance, freely soluble in water and isotonic saline and has a molecular weight of 423.93. Each capsule, for oral administration, contains 1 mg, 2 mg, 5 mg or 10 mg of terazosin as terazosin hydrochlolde. In addition, each capsule contains the following inactive ingredients: colloidal silicon dioxide, lactose monohydrate, magnesium stearate, and pregelatinized starch. The gelatin capsule contains gelatin, silicon dioxide, sodium lauryl sulfate, and titanium dioxide. The 1 mg shell also contains black iron oxide; the 2 mg capsule shell also contains D&C Yellow #10; the 5 mg capsule shell also contains D&C Yellow #10, FD&C Red #40 and D&C Red #28; the 10 mg capsule shell also contains FD&C Green #3 and D&C Yellow#10.

Terazosin hydrochloride, an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name,molecular formula and structural formula: (RS)-Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]-, monohydrochloride.C 19 H 26 ClN 5 O 4 Terazosin hydrochloride is a white, crystalline substance, freely soluble in water and isotonic saline and has a molecular weight of 423.93. Each capsule, for oral administration, contains 1 mg, 2 mg, 5 mg or 10 mg of terazosin as terazosin hydrochlolde. In addition, each capsule contains the following inactive ingredients: colloidal silicon dioxide, lactose monohydrate, magnesium stearate, and pregelatinized starch. The gelatin capsule contains gelatin, silicon dioxide, sodium lauryl sulfate, and titanium dioxide. The 1 mg shell also contains black iron oxide; the 2 mg capsule shell also contains D&C Yellow #10; the 5 mg capsule shell also contains D&C Yellow #10, FD&C Red #40 and D&C Red #28; the 10 mg capsule shell also contains FD&C Green #3 and D&C Yellow#10.

Terazosin hydrochloride, USP an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative. The chemical name for terazosin hydrochloride, USP is (RS)-Piperazine, 1-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetra-hydro-2-furanyl)carbonyl]-, monohydrochloride, dihydrate. It has the following structural formula: Terazosin hydrochloride, USP is a white, crystalline substance, freely soluble in water and isotonic saline. Each capsule for oral administration, contains terazosin hydrochloride, USP equivalent to 1 mg, 2 mg, 5 mg or 10 mg terazosin. In addition, each capsule contains the following inactive ingredients: crospovidone, lactose monohydrate, magnesium stearate, talc and corn starch. The capsule shells and imprinting inks contain: titanium dioxide, gelatin, shellac glaze, black iron oxide, n-butyl alcohol, propylene glycol, FD&C Blue #2 aluminum lake, FD&C Red #40 aluminum lake, D&C Yellow #10 aluminum lake and FD&C Blue #1. The 2 mg capsule shell also contains D&C Red #33. FDA approved dissolution test specifications differ from USP. Image

Terazosin hydrochloride, an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name,molecular formula and structural formula: (RS)-Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]-, monohydrochloride.C 19 H 26 ClN 5 O 4 Terazosin hydrochloride is a white, crystalline substance, freely soluble in water and isotonic saline and has a molecular weight of 423.93. Each capsule, for oral administration, contains 1 mg, 2 mg, 5 mg or 10 mg of terazosin as terazosin hydrochlolde. In addition, each capsule contains the following inactive ingredients: colloidal silicon dioxide, lactose monohydrate, magnesium stearate, and pregelatinized starch. The gelatin capsule contains gelatin, silicon dioxide, sodium lauryl sulfate, and titanium dioxide. The 1 mg shell also contains black iron oxide; the 2 mg capsule shell also contains D&C Yellow #10; the 5 mg capsule shell also contains D&C Yellow #10, FD&C Red #40 and D&C Red #28; the 10 mg capsule shell also contains FD&C Green #3 and D&C Yellow#10.

Terazosin hydrochloride, USP an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative. The chemical name for terazosin hydrochloride, USP is (RS)-Piperazine, 1-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetra-hydro-2-furanyl)carbonyl]-, monohydrochloride, dihydrate. It has the following structural formula: Terazosin hydrochloride, USP is a white, crystalline substance, freely soluble in water and isotonic saline. Each capsule for oral administration, contains terazosin hydrochloride, USP equivalent to 1 mg, 2 mg, 5 mg or 10 mg terazosin. In addition, each capsule contains the following inactive ingredients: crospovidone, lactose monohydrate, magnesium stearate, talc and corn starch. The capsule shells and imprinting inks contain: titanium dioxide, gelatin, shellac glaze, black iron oxide, n-butyl alcohol, propylene glycol, FD&C Blue #2 aluminum lake, FD&C Red #40 aluminum lake, D&C Yellow #10 aluminum lake and FD&C Blue #1. The 2 mg capsule shell also contains D&C Red #33. FDA approved dissolution test specifications differ from USP. Image

Terazosin hydrochloride, an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name,molecular formula and structural formula: (RS)-Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]-, monohydrochloride.C 19 H 26 ClN 5 O 4 Terazosin hydrochloride is a white, crystalline substance, freely soluble in water and isotonic saline and has a molecular weight of 423.93. Each capsule, for oral administration, contains 1 mg, 2 mg, 5 mg or 10 mg of terazosin as terazosin hydrochlolde. In addition, each capsule contains the following inactive ingredients: colloidal silicon dioxide, lactose monohydrate, magnesium stearate, and pregelatinized starch. The gelatin capsule contains gelatin, silicon dioxide, sodium lauryl sulfate, and titanium dioxide. The 1 mg shell also contains black iron oxide; the 2 mg capsule shell also contains D&C Yellow #10; the 5 mg capsule shell also contains D&C Yellow #10, FD&C Red #40 and D&C Red #28; the 10 mg capsule shell also contains FD&C Green #3 and D&C Yellow#10. Terazosin Hydrochloride Chemical Structure

Terazosin hydrochloride, an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name,molecular formula and structural formula: (RS)-Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]-, monohydrochloride.C 19 H 26 ClN 5 O 4 Terazosin hydrochloride is a white, crystalline substance, freely soluble in water and isotonic saline and has a molecular weight of 423.93. Each capsule, for oral administration, contains 1 mg, 2 mg, 5 mg or 10 mg of terazosin as terazosin hydrochlolde. In addition, each capsule contains the following inactive ingredients: colloidal silicon dioxide, lactose monohydrate, magnesium stearate, and pregelatinized starch. The gelatin capsule contains gelatin, silicon dioxide, sodium lauryl sulfate, and titanium dioxide. The 1 mg shell also contains black iron oxide; the 2 mg capsule shell also contains D&C Yellow #10; the 5 mg capsule shell also contains D&C Yellow #10, FD&C Red #40 and D&C Red #28; the 10 mg capsule shell also contains FD&C Green #3 and D&C Yellow#10. Terazosin Hydrochloride Chemical Structure

Terazosin hydrochloride, USP an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative. The chemical name for terazosin hydrochloride, USP is (RS)-Piperazine, 1-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetra-hydro-2-furanyl)carbonyl]-, monohydrochloride, dihydrate. It has the following structural formula: Terazosin hydrochloride, USP is a white, crystalline substance, freely soluble in water and isotonic saline. Each capsule for oral administration, contains terazosin hydrochloride, USP equivalent to 1 mg, 2 mg, 5 mg or 10 mg terazosin. In addition, each capsule contains the following inactive ingredients: crospovidone, lactose monohydrate, magnesium stearate, talc and corn starch. The capsule shells and imprinting inks contain: titanium dioxide, gelatin, shellac glaze, black iron oxide, n-butyl alcohol, propylene glycol, FD&C Blue #2 aluminum lake, FD&C Red #40 aluminum lake, D&C Yellow #10 aluminum lake and FD&C Blue #1. The 2 mg capsule shell also contains D&C Red #33. FDA approved dissolution test specifications differ from USP. Image

Terazosin hydrochloride, an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name,molecular formula and structural formula: (RS)-Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]-, monohydrochloride.C 19 H 26 ClN 5 O 4 Terazosin hydrochloride is a white, crystalline substance, freely soluble in water and isotonic saline and has a molecular weight of 423.93. Each capsule, for oral administration, contains 1 mg, 2 mg, 5 mg or 10 mg of terazosin as terazosin hydrochlolde. In addition, each capsule contains the following inactive ingredients: colloidal silicon dioxide, lactose monohydrate, magnesium stearate, and pregelatinized starch. The gelatin capsule contains gelatin, silicon dioxide, sodium lauryl sulfate, and titanium dioxide. The 1 mg shell also contains black iron oxide; the 2 mg capsule shell also contains D&C Yellow #10; the 5 mg capsule shell also contains D&C Yellow #10, FD&C Red #40 and D&C Red #28; the 10 mg capsule shell also contains FD&C Green #3 and D&C Yellow#10. Terazosin Hydrochloride Chemical Structure

Terazosin hydrochloride, an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name,molecular formula and structural formula: (RS)-Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]-, monohydrochloride.C 19 H 26 ClN 5 O 4 Terazosin hydrochloride is a white, crystalline substance, freely soluble in water and isotonic saline and has a molecular weight of 423.93. Each capsule, for oral administration, contains 1 mg, 2 mg, 5 mg or 10 mg of terazosin as terazosin hydrochlolde. In addition, each capsule contains the following inactive ingredients: colloidal silicon dioxide, lactose monohydrate, magnesium stearate, and pregelatinized starch. The gelatin capsule contains gelatin, silicon dioxide, sodium lauryl sulfate, and titanium dioxide. The 1 mg shell also contains black iron oxide; the 2 mg capsule shell also contains D&C Yellow #10; the 5 mg capsule shell also contains D&C Yellow #10, FD&C Red #40 and D&C Red #28; the 10 mg capsule shell also contains FD&C Green #3 and D&C Yellow#10. structure

Terazosin hydrochloride, USP an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name and structural formula: (RS)-Piperazine,1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetra-hydro-2-furanyl)carbonyl]-, monohydrochloride, dihydrate. Terazosin hydrochloride, USP is a white to pale yellow crystalline powder, slightly soluble in water pH 1.3 (HCl), water pH 12.6 (NaOH), ethanol 95% and chloroform, sparingly soluble in water pH 6, soluble in methanol, and practically insoluble in n-hexane. Its molecular formula is C 19 H 25 N 5 O 4 •HCl•2H 2 O and has a molecular weight of 459.93 g/mole. Each capsule, for oral administration, contains terazosin hydrochloride, USP equivalent to 1 mg, 2 mg, 5 mg, or 10 mg of terazosin. In addition, each capsule contains the following inactive ingredients: Colloidal silicon dioxide, lactose monohydrate, magnesium stearate, and pregelatinized starch. The capsule shell contains D&C yellow no. 10 (2 mg, 5 mg and 10 mg), D&C red no. 28 (5 mg), FD& C green no. 3 (10 mg), FD&C red no. 40 (5 mg), gelatin, iron oxide black (1 mg), sodium lauryl sulfate, and titanium dioxide. The capsules are printed with black ink composed of ammonia solution, black iron oxide, potassium hydroxide, propylene glycol, and shellac. FDA approved dissolution test specifications differ from USP. image description

Terazosin hydrochloride, an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name,molecular formula and structural formula: (RS)-Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]-, monohydrochloride.C 19 H 26 ClN 5 O 4 Terazosin hydrochloride is a white, crystalline substance, freely soluble in water and isotonic saline and has a molecular weight of 423.93. Each capsule, for oral administration, contains 1 mg, 2 mg, 5 mg or 10 mg of terazosin as terazosin hydrochlolde. In addition, each capsule contains the following inactive ingredients: colloidal silicon dioxide, lactose monohydrate, magnesium stearate, and pregelatinized starch. The gelatin capsule contains gelatin, silicon dioxide, sodium lauryl sulfate, and titanium dioxide. The 1 mg shell also contains black iron oxide; the 2 mg capsule shell also contains D&C Yellow #10; the 5 mg capsule shell also contains D&C Yellow #10, FD&C Red #40 and D&C Red #28; the 10 mg capsule shell also contains FD&C Green #3 and D&C Yellow#10. Terazosin Hydrochloride Chemical Structure

Terazosin hydrochloride, an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name,molecular formula and structural formula: (RS)-Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]-, monohydrochloride.C 19 H 26 ClN 5 O 4 Terazosin hydrochloride is a white, crystalline substance, freely soluble in water and isotonic saline and has a molecular weight of 423.93. Each capsule, for oral administration, contains 1 mg, 2 mg, 5 mg or 10 mg of terazosin as terazosin hydrochlolde. In addition, each capsule contains the following inactive ingredients: colloidal silicon dioxide, lactose monohydrate, magnesium stearate, and pregelatinized starch. The gelatin capsule contains gelatin, silicon dioxide, sodium lauryl sulfate, and titanium dioxide. The 1 mg shell also contains black iron oxide; the 2 mg capsule shell also contains D&C Yellow #10; the 5 mg capsule shell also contains D&C Yellow #10, FD&C Red #40 and D&C Red #28; the 10 mg capsule shell also contains FD&C Green #3 and D&C Yellow#10. Terazosin Hydrochloride Chemical Structure

Terazosin hydrochloride, an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name,molecular formula and structural formula: (RS)-Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]-, monohydrochloride.C 19 H 26 ClN 5 O 4 Terazosin hydrochloride is a white, crystalline substance, freely soluble in water and isotonic saline and has a molecular weight of 423.93. Each capsule, for oral administration, contains 1 mg, 2 mg, 5 mg or 10 mg of terazosin as terazosin hydrochlolde. In addition, each capsule contains the following inactive ingredients: colloidal silicon dioxide, lactose monohydrate, magnesium stearate, and pregelatinized starch. The gelatin capsule contains gelatin, silicon dioxide, sodium lauryl sulfate, and titanium dioxide. The 1 mg shell also contains black iron oxide; the 2 mg capsule shell also contains D&C Yellow #10; the 5 mg capsule shell also contains D&C Yellow #10, FD&C Red #40 and D&C Red #28; the 10 mg capsule shell also contains FD&C Green #3 and D&C Yellow#10. Terazosin Hydrochloride Chemical Structure

Terazosin hydrochloride, an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name and structural formula: (RS)-Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]-, monohydrochloride. It has the following structural formula: Terazosin hydrochloride is a white, crystalline substance, freely soluble in water and isotonic saline and has a molecular weight of 459.93. Terazosin capsules, USP, for oral administration, are supplied in four dosage strengths containing terazosin hydrochloride, USP equivalent to 1 mg, 2 mg, 5 mg, or 10 mg of terazosin. Inactive ingredients: Crospovidone, lactose (monohydrate), magnesium stearate, and microcrystalline cellulose. May contain corn starch. The capsule shells and imprinting inks contain: D & C Yellow #10 Aluminum Lake, FD & C Blue #1 Aluminum Lake, FD & C Blue #2 Aluminum Lake, FD & C Red #40 Aluminum Lake, gelatin, propylene glycol, shellac, synthetic black iron oxide, and titanium dioxide. The 5 mg also contains: D & C Red #28. terazosinhydrochloridechemicalstructure

Terazosin hydrochloride, an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name, molecular formula and structural formula: (RS)-Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]-, monohydrochloride, C 19 H 26 ClN 5 O 4 . It has the following structural formula: Terazosin hydrochloride is a white, crystalline substance, freely soluble in water and isotonic saline and has a molecular weight of 423.93. Terazosin capsules, USP, for oral administration, are supplied in four dosage strengths containing terazosin hydrochloride, USP equivalent to 1 mg, 2 mg, 5 mg, or 10 mg of terazosin. Inactive ingredients: Crospovidone, lactose (monohydrate), magnesium stearate, and microcrystalline cellulose. The capsule shells and imprinting inks contain: D & C Yellow #10 Aluminum Lake, FD & C Blue #1 Aluminum Lake, FD & C Blue #2 Aluminum Lake, FD & C Red #40 Aluminum Lake, gelatin, propylene glycol, shellac, synthetic black iron oxide, and titanium dioxide. The 5 mg also contains: D & C Red #28. terazosinhydrochloridechemicalstructure

Terazosin hydrochloride, an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name and structural formula: (RS)-Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]-, monohydrochloride. It has the following structural formula: Terazosin hydrochloride is a white, crystalline substance, freely soluble in water and isotonic saline and has a molecular weight of 459.93. Terazosin capsules, USP, for oral administration, are supplied in four dosage strengths containing terazosin hydrochloride, USP equivalent to 1 mg, 2 mg, 5 mg, or 10 mg of terazosin. Inactive ingredients: Crospovidone, lactose (monohydrate), magnesium stearate, and microcrystalline cellulose. May contain corn starch. The capsule shells and imprinting inks contain: D & C Yellow #10 Aluminum Lake, FD & C Blue #1 Aluminum Lake, FD & C Blue #2 Aluminum Lake, FD & C Red #40 Aluminum Lake, gelatin, propylene glycol, shellac, synthetic black iron oxide, and titanium dioxide. The 5 mg also contains: D & C Red #28. terazosinhydrochloridechemicalstructure

Terazosin hydrochloride, an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name, molecular formula and structural formula: (RS)-Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]-, monohydrochloride, C 19 H 26 ClN 5 O 4 . It has the following structural formula: Terazosin hydrochloride is a white, crystalline substance, freely soluble in water and isotonic saline and has a molecular weight of 423.93. Terazosin capsules, USP, for oral administration, are supplied in four dosage strengths containing terazosin hydrochloride, USP equivalent to 1 mg, 2 mg, 5 mg, or 10 mg of terazosin. Inactive ingredients: Crospovidone, lactose (monohydrate), magnesium stearate, and microcrystalline cellulose. The capsule shells and imprinting inks contain: D & C Yellow #10 Aluminum Lake, FD & C Blue #1 Aluminum Lake, FD & C Blue #2 Aluminum Lake, FD & C Red #40 Aluminum Lake, gelatin, propylene glycol, shellac, synthetic black iron oxide, and titanium dioxide. The 5 mg also contains: D & C Red #28. terazosinhydrochloridechemicalstructure

Terazosin hydrochloride, an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name,molecular formula and structural formula: (RS)-Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]-, monohydrochloride.C 19 H 26 ClN 5 O 4 Terazosin hydrochloride is a white, crystalline substance, freely soluble in water and isotonic saline and has a molecular weight of 423.93. Each capsule, for oral administration, contains 1 mg, 2 mg, 5 mg or 10 mg of terazosin as terazosin hydrochlolde. In addition, each capsule contains the following inactive ingredients: colloidal silicon dioxide, lactose monohydrate, magnesium stearate, and pregelatinized starch. The gelatin capsule contains gelatin, silicon dioxide, sodium lauryl sulfate, and titanium dioxide. The 1 mg shell also contains black iron oxide; the 2 mg capsule shell also contains D&C Yellow #10; the 5 mg capsule shell also contains D&C Yellow #10, FD&C Red #40 and D&C Red #28; the 10 mg capsule shell also contains FD&C Green #3 and D&C Yellow#10. structure

Terazosin hydrochloride, an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name, molecular formula and structural formula: (RS)-Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]-, monohydrochloride, C 19 H 26 ClN 5 O 4 . It has the following structural formula: Terazosin hydrochloride is a white, crystalline substance, freely soluble in water and isotonic saline and has a molecular weight of 423.93. Terazosin capsules, USP, for oral administration, are supplied in four dosage strengths containing terazosin hydrochloride, USP equivalent to 1 mg, 2 mg, 5 mg, or 10 mg of terazosin. Inactive ingredients: Crospovidone, lactose (monohydrate), magnesium stearate, and microcrystalline cellulose. The capsule shells and imprinting inks contain: D & C Yellow #10 Aluminum Lake, FD & C Blue #1 Aluminum Lake, FD & C Blue #2 Aluminum Lake, FD & C Red #40 Aluminum Lake, gelatin, propylene glycol, shellac, synthetic black iron oxide, and titanium dioxide. The 5 mg also contains: D & C Red #28. terazosinhydrochloridechemicalstructure

Terazosin hydrochloride, an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name, molecular formula and structural formula: (RS)-Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]-, monohydrochloride, C 19 H 26 ClN 5 O 4 . It has the following structural formula: Terazosin hydrochloride is a white, crystalline substance, freely soluble in water and isotonic saline and has a molecular weight of 423.93. Terazosin capsules, USP, for oral administration, are supplied in four dosage strengths containing terazosin hydrochloride, USP equivalent to 1 mg, 2 mg, 5 mg, or 10 mg of terazosin. Inactive ingredients: Crospovidone, lactose (monohydrate), magnesium stearate, and microcrystalline cellulose. The capsule shells and imprinting inks contain: D & C Yellow #10 Aluminum Lake, FD & C Blue #1 Aluminum Lake, FD & C Blue #2 Aluminum Lake, FD & C Red #40 Aluminum Lake, gelatin, propylene glycol, shellac, synthetic black iron oxide, and titanium dioxide. The 5 mg also contains: D & C Red #28. terazosinhydrochloridechemicalstructure

Terazosin hydrochloride, an alpha-1-selective adrenoceptor blocking agent, is a quinazoline derivative represented by the following chemical name, molecular formula and structural formula: (RS)-Piperazine, 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl)carbonyl]-, monohydrochloride, C 19 H 26 ClN 5 O 4 . It has the following structural formula: Terazosin hydrochloride is a white, crystalline substance, freely soluble in water and isotonic saline and has a molecular weight of 423.93. Terazosin capsules, USP, for oral administration, are supplied in four dosage strengths containing terazosin hydrochloride, USP equivalent to 1 mg, 2 mg, 5 mg, or 10 mg of terazosin. Inactive ingredients: Crospovidone, lactose (monohydrate), magnesium stearate, and microcrystalline cellulose. The capsule shells and imprinting inks contain: D & C Yellow #10 Aluminum Lake, FD & C Blue #1 Aluminum Lake, FD & C Blue #2 Aluminum Lake, FD & C Red #40 Aluminum Lake, gelatin, propylene glycol, shellac, synthetic black iron oxide, and titanium dioxide. The 5 mg also contains: D & C Red #28. terazosinhydrochloridechemicalstructure

TEZRULY (terazosin), an alpha-1-selective adrenoceptor antagonist, is a quinazoline derivative represented by the following chemical name and structural formula: 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-(tetrahydro-2-furoyl)piperazine monohydrochloride dihydrate Terazosin hydrochloride is racemic and is a white to pale yellow crystalline substance, sparingly soluble in water. The molecular formula is C 19 H 25 N 5 O 4 . HCl. 2H 2 O and the molecular weight is 459.92. TEZRULY (terazosin) oral solution is supplied in one dosage strength containing 1 mg/mL of terazosin (equivalent to 1.1 mg/mL of terazosin hydrochloride) and the following inactive ingredients: anhydrous citric acid, artificial cherry flavor, glycerin, methylparaben, propylparaben, purified water, sodium citrate dihydrate and sucralose. structure