Each tablet contains: Losartan (as Potassium) 50 mg or 100 mg.
Losartan Potassium is an angiotensin II receptor (type AT1) antagonist. Losartan potassium, a non-peptide molecule, is chemically described as 2-butyl-4-chloro-1-[p-(o-1H-tetrazol-5-ylphenyl) benzyl] imidazole-5-methanol monopotassium salt. Losartan potassium is white to off white crystalline powder with a molecular weight of 461.0. Its empirical formula is C22H22ClKN6O.