Article · Wikipedia archive · Last revised Jun 12, 2026

4-Cl-PHP

4-Chloro-alpha-pyrrolidinohexiophenone (4-Cl-PHP) is a substituted cathinone derivative with stimulant effects, which has been sold as a designer drug. It was first officially identified by forensic laboratories in 2016, though anecdotal reports suggest it may have been available several years prior to this.

Last revised
Jun 12, 2026
Read time
≈ 1 min
Length
131 w
Citations
1
Source
4-Chloro-alpha-PHP
Legal status
Legal status
Identifiers
  • 1-(4-chlorophenyl)-2-pyrrolidin-1-ylhexan-1-one
CAS Number
PubChem CID
ChemSpider
UNII
Chemical and physical data
FormulaC16H22ClNO
Molar mass279.81 g·mol−1
3D model (JSmol)
  • CCCCC(C(=O)C1=CC=C(C=C1)Cl)N2CCCC2
  • InChI=1S/C16H22ClNO/c1-2-3-6-15(18-11-4-5-12-18)16(19)13-7-9-14(17)10-8-13/h7-10,15H,2-6,11-12H2,1H3
  • Key:RRSPZEIKSCFOEE-UHFFFAOYSA-N

4-Chloro-alpha-pyrrolidinohexiophenone (4-Cl-PHP) is a substituted cathinone derivative with stimulant effects, which has been sold as a designer drug. It was first officially identified by forensic laboratories in 2016, though anecdotal reports suggest it may have been available several years prior to this.1

See also

See also

References

References

  1. Liu C, Jia W, Li T, Hua Z, Qian Z (August 2017). "Identification and analytical characterization of nine synthetic cathinone derivatives N-ethylhexedrone, 4-Cl-pentedrone, 4-Cl-α-EAPP, propylone, N-ethylnorpentylone, 6-MeO-bk-MDMA, α-PiHP, 4-Cl-α-PHP, and 4-F-α-PHP". Drug Testing and Analysis. 9 (8): 1162–1171. doi:10.1002/dta.2136. PMID 27863142.