Drug Information for DIPYRIDAMOLE TABLETS, USP (Barr Laboratories, Inc.): Description

Dipyridamole is a platelet inhibitor chemically described as 2, 2', 2'', 2''' - [ (4,8-Dipiperidinopyrimido [5,4-d] pyrimidine -2,6 - diyl) dinitrilo] tetraethanol. It has the following structural formula:

Dipyridamole is an intensely yellow, crystalline powder or needles. It is very soluble in methanol, in alcohol, and in chloroform; slightly soluble in water; very slightly soluble in acetone and in ethyl acetate.

Dipyridamole Tablets, USP for oral administration contain:

Active Ingredient: TABLETS 25, 50, and 75 mg; Dipyridamole USP 25, 50 and 75 mg respectively.

Inactive Ingredients: Colloidal silicon dioxide, hypromellose, lactose anhydrous, magnesium stearate, microcrystalline cellulose, polyethylene glycol, polysorbate 80, propylene glycol, stearic acid, sodium starch glycolate, and titanium dioxide.