Guanfacine Hydrochloride is used in the pharmaceutical industry as an API for the treatment of attention-deficithyperactivity disorder (ADHD) and hypertension. It is also used in pharmaceutical research and formulation development.

The purpose of Guanfacine Hydrochloride is to help improve attention and impulse control in patients with ADHD and to lower blood pressure by reducing sympathetic nerve activity.

Guanfacine Hydrochloride is a centrally acting alpha-2A adrenergic receptor agonist that appears as a white to off-white crystalline powder. It is used as an active pharmaceutical ingredient (API) in prescription medicines.