PCPr hydrochloride is a specialty chemical widely used in pharmaceutical and neuroscience research as a tool compound and reference standard. It functions as an NMDA receptor antagonist, aiding the study of neurological and psychiatric disorders by modeling psychotomimetic effects and neurotransmitter modulation. Valuable for investigating conditions like depression, anxiety, and schizophrenia, it supports the development of novel therapeutics. Additionally, it is utilized in organic chemistry for synthesizing complex molecules with potential medicinal applications.