SPL Set ID: 246c749d-aa28-44ce-8d42-984660afff2a

Isosorbide dinitrate (ISDN) is 1,4:3,6-dianhydro-D-glucitol 2,5-dinitrate, an organic nitrate whose structural formula is and whose molecular weight is 236.14. The organic nitrates are vasodilators, active on both arteries and veins. Isosorbide dinitrate is a white, crystalline compound, has a melting point of 70°C and has an optical rotation of +140° (c=1, alcohol, 20°C). Isosorbide dinitrate is very slightly soluble in water; very soluble in acetone and sparingly soluble in alcohol. Each isosorbide dinitrate tablet, USP contains 5 mg, 10 mg, 20 mg or 30 mg of isosorbide dinitrate. The inactive ingredients in each tablet are lactose monohydrate, magnesium stearate, microcrystalline cellulose, povidone and sodium starch glycolate. The 5 mg dosage strength also contains FD&C red no. 40 aluminium lake. The 20 mg dosage strength also contains FD&C blue no. 1 aluminium lake and D&C yellow no. 10 aluminium lake. The 30 mg dosage strength also contains FD&C blue no. 1 aluminium lake. Image