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Names: 4ʹ-Methyl-α-pyrrolidinobutanophenone (primary)
MPBP (secondary)
1-(4-Methylphenyl)-2-(pyrrolidin-1-yl)butan-1-one (IUPAC)
Molecular formula: C15H21NO
Nominal mass: 231
Average mass: 231.3333
Monoisotopic mass: 231.162314
CAS registry number:
PubChem: 57486975
Wikipedia: 4′-Methyl-α-pyrrolidinobutiophenone
Standard InChI: InChI=1S/C15H21NO/c1-3-14(16-10-4-5-11-16)15(17)13-8-6-12(2)7-9-13/h6-9,14H,3-5,10-11H2,1-2H3
SMILES: CCC(C(=O)c1ccc(cc1)C)N1CCCC1
Tags: cathinone
Property Value Remarks
Property Value Remarks
Location Type Remarks
pMPBP MS.pdf EI MS From SWGDRUG Library
4-methyl-alpha-pyrrolidinobutiophenone edit.pdf SP-GC-IR DiscovIR
Vendor ID URL
Cayman Chemical 9001190
Lipomed MPB-1508-HC§ion=mediadir&cmd=detail
Toronto Research Chemicals M326380
Title Publication Date Vol. Iss. Page(s) Remarks
Consideration of the Cathinones 2010-03-00 Advisory Council on the Misuse of Drugs
Screening of seized emerging drugs by ultra-high performance liquid chromatography with photodiode array ultraviolet and mass spectrometric detection. DOI: 10.1016/j.forsciint.2014.01.018 For. Sci. Int. 2014-04-01 Vol 237 L. Li and I. S. Lurie
Analysis and characterization of the novel psychoactive drug Forensic Science International 2014-11-01 Vol 244 (e56-e59) Magdalena Taschwer et al
Forensic Analysis of Cathinones Forensic Science Review 2013-01-01 Vol 25 (48-64) L. Gautam, A. Shanmuganathan, M. D. Cole
Direct analysis in real time mass spectrometry (DART-MS) of “bath salt” cathinone drug mixtures Analyst 2013-01-01 Vol 138 (3424-3432) Ashton D. Lesiak et al
Cathinone derivatives: A review of their chemistry, pharmacology and toxicology Drug Testing and Analysis 2011-01-01 Vol 3 (439-453) John P. Kelly et al
Mass spectral and NMR spectral data of two new designer drugs with an α-aminophenone structure: 4′-Methyl-α-pyrrolidinohexanophenone and 4′-methyl-α-pyrrolidinobutyrophenone For. Sci. Int. 2007-06-14 Vol 168 Folker Westphal et al
Database ID URL
SWGDRUG Monographs 4-MPBP Monograph
SWGDRUG Mass Spectral Library
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