223673-61-8 Mirabegron API refers to the active pharmaceutical ingredient (API) of the medication mirabegron. It works by relaxing the smooth muscle of the bladder, thereby increasing the bladder's storage capacity and reducing the frequency of urinary incontinence episodes. Mirabegron is a selective beta-3 adrenergic receptor agonist used in the treatment of overactive bladder (OAB). This involves various processes such as synthesis, purification, and characterization to meet regulatory standards set by health authorities. 223673-61-8 Mirabegron API serves as the active component responsible for the therapeutic effects of mirabegron and is used as the basis for the formulation of various dosage forms such as tablets or capsules for oral administration.