Mirabegron is a beta-3 adrenergic agonist. The chemical name
having an empirical formula of C21H24N4O2S
and a molecular weight of 396.51. The structural formula of mirabegron is:
Mirabegron is a white powder. It
is practically insoluble in water (0.082 mg/mL). It is soluble in methanol and
Each Myrbetriq extended release
tablet, for oral administration contains either 25 mg or 50 mg of mirabegron
and the following inactive ingredients: polyethylene oxide, polyethylene
glycol, hydroxypropyl cellulose, butylated hydroxytoluene, magnesium stearate,
hypromellose, yellow ferric oxide, and red ferric oxide (25 mg tablet only).
Last reviewed on RxList: 7/6/2012
This monograph has been modified to include the generic and brand name in many instances.