Ropinirole Hydrochloride

**Semantic type:** Pharmacologic Substance

**Definition:** The hydrochloride salt form of ropinirole, a non-ergot dopamine agonist with antiparkinsonian property. Acting as a substitute for dopamine, ropinirole hydrochloride binds to and activates dopamine D2 and D3 receptors within the caudate putamen in the brain, thereby improving motor function.

**Synonyms:** - 2(H)-Indol-2-one, 4-(2-(dipropylamino)ethyl)-1,3-dihydro-, Monohydrochloride - 4-(2-(Dipropylamino)ethyl)-2-indolinone Monohydrochloride - ROPINIROLE HYDROCHLORIDE - Requip - SK&F 101468-A