SPL Set ID: c5f26357-40f3-49f4-99f2-845a8dda5f39
1 drug(s) with this SPL Set ID
Irbesartan and hydrochlorothiazide tablets USP are a combination of an angiotensin II receptor antagonist (AT 1 subtype), irbesartan, and a thiazide diuretic, hydrochlorothiazide (HCTZ). Irbesartan is a non-peptide compound, chemically described as a 2-Butyl-3-[ p -( o -1 H -tetrazol-5-ylphenyl)benzyl]-1,3-diazaspiro[4.4]non-1-en-4-one. Its structural formula is: C 25 H 28 N 6 O M.W. 428.5 Irbesartan is a white to off-white crystalline powder. It is a nonpolar compound with a partition coefficient (octanol/water) of 10.1 at pH of 7.4. Irbesartan is slightly soluble in alcohol and methylene chloride and practically insoluble in water. Hydrochlorothiazide is 6-Chloro-3,4-dihydro-2 H -1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide. Its structural formula is: C 7 H 8 ClN 3 O 4 S 2 M.W. 297.7 Hydrochlorothiazide is a white, or practically white, practically odorless, crystalline powder. Hydrochlorothiazide is very slightly soluble in water and freely soluble in sodium hydroxide solution. Irbesartan and hydrochlorothiazide is available for oral administration in film-coated tablets containing either 150 mg or 300 mg of irbesartan combined with 12.5 mg of hydrochlorothiazide. Inactive ingredients include: colloidal silicon dioxide, croscarmellose sodium, hypromellose, iron oxide black, iron oxide red, iron oxide yellow, magnesium stearate, microcrystalline cellulose, poloxamer, polyethylene glycol, povidone, pregelatinized starch and titanium dioxide. Irbesartan Chemical Structure HCTZ Chemical Structure