Paroxetine (hydrochloride) (Standard) is the analytical standard of Paroxetine (hydrochloride). This product is intended for research and analytical applications. Paroxetine hydrochloride is a potent selective serotonin-reuptake inhibitor, commonly prescribed as an GRK2 inhibitor with IC50 of 14?µM. Paroxetine hydrochloride can be used for the research of depressive disorder[1][2][3].