RYTHMOL (propafenone hydrochloride) is an antiarrhythmic
drug supplied in scored,
film-coated tablets of 150, 225 and 300 mg
for oral administration.
Propafenone has some structural
similarities to beta-blocking agents.
The chemical formula
of propafenone hydrochloride
is: 2-[2-Hydroxy-3-(propylamino)-propoxyl- 3-phenylpropiophenone
hydrochloride. The molecular formula
of propafenone hydrochloride is: C21H27NO3
HCl and its molecular weight
occurs as colorless crystals or white
crystalline powder with a very bitter
taste. It is slightly soluble
in water (20° C),
chloroform and ethanol.
The following inactive ingredients are contained in the tablet:
corn starch, hydroxypropyl methylcellulose, magnesium
stearate, polyethylene glycol, polysorbate, povidone, propylene
glycol, sodium starch
glycolate and titanium