Xylometazoline (hydrochloride) (Standard) is the analytical standard of Xylometazoline (hydrochloride). This product is intended for research and analytical applications. Xylometazoline hydrochloride is an α-adrenergic receptor agonist (K_i=0.05-1.7 μM). Xylometazoline hydrochloride can constrict nasal blood vessels and increase nasal airflow. Xylometazoline hydrochloride can be used in nose stuffiness and runny nose research^[1][2].