Legal status
Legal status
  • DE: NpSG (Industrial and scientific use only)
  • UK: Class B
  • Illegal in China
CAS Number
PubChem CID
Chemical and physical data
Molar mass261.17 g/mol g·mol−1
3D model (JSmol)

4'-Methoxy-α-pyrrolidinopentiophenone (also known as 4-MeO-α-PVP and MOPVP) is a stimulant drug of the cathinone class that has been sold online as a designer drug.[1][2][3][4]

Legal Status[edit]

As of October 2015 4-MeO-α-PVP is a controlled substance in China.[5]

See also[edit]


  1. ^ "4-methoxy-α-Pyrrolidinopentiophenone". Cayman Chemical. Retrieved 5 August 2015.
  2. ^ David Butler; Bertha K. Madras; Peter C. Meltzer (25 September 2008). "Patent US 20080234498 A1 - Pyrovalerone Analogues and Therapeutic Uses Thereof". Retrieved 6 August 2015.
  3. ^ Nahoko Uchiyama; Satoru Matsuda; Maiko Kawamura; Ruri Kikura-Hanajiri; Yukihiro Goda (January 2014). "Identification of two new-type designer drugs, piperazine derivative MT-45 (I-C6) and synthetic peptide Noopept (GVS-111), with synthetic cannabinoid A-834735, cathinone derivative 4-methoxy-α-PVP, and phenethylamine derivative 4-methylbuphedrine from illegal products". Forensic Toxicology. 32 (1): 9–18. doi:10.1007/s11419-013-0194-5.
  4. ^ Kayla N. Ellefsen; Ariane Wohlfarth; Madeleine J. Swortwood; Xingxing Diao; Marta Concheiro; Marilyn A. Huestis (August 2015). "4-Methoxy-α-PVP: in silico prediction, metabolic stability, and metabolite identification by human hepatocyte incubation and high-resolution mass spectrometry". Forensic Toxicology. 34: 61–75. doi:10.1007/s11419-015-0287-4. PMC 4705136. PMID 26793277.
  5. ^ "关于印发《非药用类麻醉药品和精神药品列管办法》的通知" (in Chinese). China Food and Drug Administration. 27 September 2015. Retrieved 1 October 2015.