4-CL-PVP (4-Chloro-alpha-pyrrolidinovalerophenone) is a chemical of the pyrrolidinophenone class very similar to a-PVP.

CAS No: 902324-25-5
MF: C15H20ClNO
IUPAC: 1-(4-chlorophenyl)-2-(pyrrolidin-1-yl)pentan-1-one
Synonyms:
Appearance: Large off-white crystal
Assay: 99%