Olsalazinedrug info
olsalazine sodium 250 MG Oral Capsule [Dipentum]
What it is used for
DIPENTUM is indicated for the maintenance of remission of ulcerative colitis in adult patients who are intolerant of sulfasalazine. DIPENTUM is an aminosalicylate indicated for the maintenance of remission of ulcerative colitis in adult patients who are intolerant of sulfasalazine.
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective May 15, 2026. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
Description
The active ingredient in DIPENTUM (olsalazine sodium) is the sodium salt of a salicylate, disodium 3,3'-azobis (6-hydroxybenzoate) a compound that is effectively bioconverted to mesalamine (5-aminosalicylic acid,5-ASA), an aminosalicylate. Its empirical formula is C 14 H 8 N 2 Na 2 O 6 with a molecular weight of 346.20.
The structural formula is: Olsalazine sodium is a yellow crystalline powder, which is not melted below 300°C. It is the sodium salt of a weak acid, soluble in water and DMSO, and practically insoluble in ethanol, chloroform, and ether. Olsalazine sodium has acceptable stability under acidic or basic conditions. DIPENTUM is supplied in capsules for oral administration. Each DIPENTUM hard gelatin capsule contains 250 mg olsalazine sodium (equivalent to 233.4 mg of olsalazine). The inert ingredient in each capsule is magnesium stearate. The capsule shell contains the following inactive ingredients: black iron oxide, caramel, gelatin, and titanium dioxide. Olsalazine Sodium Structural Formula
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective May 15, 2026. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
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