asprin and extended-release dipyridamole - Medication Listings

Aspirin and Extended-Release Dipyridamole Capsules are a combination of aspirin and dipyridamole, antiplatelet agents, intended for oral administration. Each hard gelatin capsule contains 200 mg dipyridamole, USP in an extended-release form and 25 mg aspirin, USP as an immediate-release sugar-coated tablet. In addition, each capsule contains the following inactive ingredients: acacia milled powder, eudragit S-100, glyceryl behenate, hydroxy propyl methyl cellulose phthalate HP-55, hypromellose, hypromellose E3LV, hypromellose E50LV, lactose monohydrate, microcrystalline cellulose, micronized talc, povidone K 30, silicon dioxide, talc, tartatic acid pellets and triacetin. Each capsule shell contains FD & C blue 1, FD & C red 3, FD & C red 40, FD & C yellow 6, gelatin, iron oxide yellow, sodium lauryl sulphate and titanium dioxide. The imprinting ink contains black iron oxide, potassium hydroxide, and shellac. Dipyridamole Dipyridamole is an antiplatelet agent 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: Molecular formula: C 24 H 40 N 8 O 4 Mol. Wt. 504.63 g/mol Dipyridamole is an odorless yellow crystalline substance, having a bitter taste. It is soluble in dilute acids, methanol and chloroform, and is practically insoluble in water. Aspirin The antiplatelet agent aspirin (acetylsalicylic acid) is chemically known as benzoic acid, 2- (acetyloxy)-, and has the following structural formula: Molecular formula: C 9 H 8 O 4 Mol . Wt. 180.16 g/mol Aspirin has white crystals, commonly tubular or needle-like, or white, crystalline powder. When exposed to moisture, aspirin hydrolyzes into salicylic and acetic acids, and gives off a vinegary odor. It is slightly soluble in water; freely soluble in alcohol; soluble in chloroform and in ether; sparingly soluble in absolute ether. dipyridamole-structure.jpg asprin-structure.jpg