4-MeO-PCP CAS # 91164-58-8 or 4-Methoxyphencyclidine (Methoxydine, 4-MeO-PCP) is a dissociative anesthetic drug which, as a research chemical, has been sold online.
The 4-MeO-PCP synthesis was first reported by the medical chemist Victor Maddox of Parke-Davis in 1965. A 1999 study published by a chemist using the pseudonym John Q. Beagle suggested that the potency of 4-MeO-PCP in humans was reduced compared to PCP, and two years later, Beagle published a detailed analysis of the synthesis and qualitative effects of 4-MeO-PCP, which he said had 70% of the potency of PCP. The first arylcyclohexylamine research chemical to be marketed online was 4-MeO-PCP, which was launched by a firm operating under the name CBAY at the end of 2008 and was followed by other similar compounds, such as 3-MeO-PCP and methoxetamine.
A white crystalline solid with a melting point of 181-182 ° C is 4-MeO-PCP hydrochloride.