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Alternate Names: omesartan, olmesartanum medoxomilum, Olmesartan Acid, Benicar;Olmetec
CAS No: 144689-24-7
PubChem CID: 158781
Mol Formula: C24H26N6O3
Mol Weight: 446.5 g/mol
IUPAC Name: 5-(2-hydroxypropan-2-yl)-2-propyl-3-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]imidazole-4-carboxylic acid
API Description: Olmesartan is a biphenylyltetrazole. It has a role as an antihypertensive agent and an angiotensin receptor antagonist. Olmesartan belongs to the angiotensin II receptor blocker (ARB) family of drugs, which also includes [telmisartan], [candesartan], [losartan], [valsartan], and [irbesartan]. ARBs selectively bind to angiotensin receptor 1 (AT1) and prevent the protein angiotensin II from binding and exerting its hypertensive effects, which include vasoconstriction, stimulation and synthesis of aldosterone and ADH, cardiac stimulation, and renal reabsorption of sodium, among others. Overall, olmesartan's physiologic effects lead to reduced blood pressure, lower aldosterone levels, reduced cardiac activity, and increased excretion of sodium.