telmisartan

11 DESCRIPTION Telmisartan tablets USP is a non-peptide angiotensin II receptor (type AT 1 ) antagonist.​‍​​​​​‍​‍‍‍‍​‍‍ Telmisartan is chemically described as 4'-[(1,4'-dimethyl-2'-propyl [2,6'-bi-1H-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, USP 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. Telmisartan is available as tablets for oral administration, containing 20 mg, 40 mg or 80 mg of telmisartan USP. The tablets contain the following inactive ingredients: magnesium stearate, mannitol, meglumine, povidone, sodium hydroxide and sodium streayl fumarate. Telmisartan tablets, USP are hygroscopic and require protection from moisture. telmisartan-structure