SPL Set ID: 3fc0800c-c063-48f8-ab4e-9aa9a4c3841f

Propafenone Hydrochloride Extended Release Capsule, USP is an antiarrhythmic drug supplied in extended release capsules of 225mg, 325mg and 425 mg for oral administration. Chemically, propafenone hydrochloride is 2'-[2-hydroxy-3-(propylamino)-propoxy]-3‑phenylpropiophenone hydrochloride, with a molecular weight of 377.92. The molecular formula is C 21 H 27 NO 3 •HCl. Propafenone HCl has some structural similarities to beta-blocking agents. The structural formula of propafenone HCl is given below: Propafenone HCl occurs as colorless crystals or white crystalline powder with a very bitter taste. It is slightly soluble in water (20 o C), chloroform, and ethanol. Propafenone ER capsules are filled with granules containing the following inactive ingredients: ethylcellulose, lactose anhydrous, magnesium stearate and povidone. Each capsule contains Titanium dioxide and gelatin. In addition the 325 mg capsule also contains FD&C Blue No. 1, D&C Yellow No. 10 and FD&C Red No. 40 and the 425 mg capsule contains FD&C Blue No. 1, FD&C Red No. 40 and FD&C Yellow No. 6. The black ink consists of D&C Yellow No.10, iron oxide black, n-butyl alcohol, propylene glycol, FD&C Blue No. 2, FD&C Red No. 40, FD&C Blue No. 1 and shellac glaze~45% (20% esterfied) in ethanol. Image