SPL Set ID: e842fa14-b18e-4463-9bf1-a1c8700fe33c
1 drug(s) with this SPL Set ID
Irbesartan and Hydrochlorothiazide Tablets 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 -1H-tetrazol-5-ylphenyl)benzyl]-1,3-diazaspiro [4.4]non-1-en-4-one. Its empirical formula is C 25 H 28 N 6 O, and its structural formula is: Irbesartan is a white to off-white crystalline powder with a molecular weight of 428.5. 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 empirical formula is C 7 H 8 ClN 3 O 4 S 2 and its structural formula is: Hydrochlorothiazide is a white, or practically white, crystalline powder with a molecular weight of 297.7 Hydrochlorothiazide is slightly soluble in water and freely soluble in sodium hydroxide solution. Irbesartan and Hydrochlorothiazide Tablets USP are available for oral administration in tablets containing 150 mg or 300 mg of irbesartan combined with 12.5 mg of hydrochlorothiazide or 300 mg of irbesartan combined with 25 mg hydrochlorothiazide. Inactive ingredients include: croscarmellose sodium, iron oxide red, iron oxide yellow, lactose monohydrate, magnesium stearate and povidone. In addition, the 300/25 mg pinkish brown film-coated tablet contains hypromellose, iron oxide black, polyethylene glycol and titanium dioxide. Structure Structure