4-Chloro-α-pyrrolidinovalerophenone

4-Chloro-α-pyrrolidinovalerophenone (also known as 4-chloro-α-pyrrolidinopentiophenone, 4-chloro-α-PVP, 4Cl-PVP, or 4C-PVP) is an emerging recreational designer drug of the pyrrolidinophenone class, similar in structure to α-pyrrolidinopentiophenone (α-PVP).^[1] The pharmacology and toxicity of this compound is unknown, though it is presumed to be a stimulant drug.

Routes of
administrationOral, intranasal, intravenous, rectal,

Legal status

• BR: Class F2 (Prohibited psychotropics)
• CA: Schedule I
• DE: NpSG (Industrial and scientific use only)
• UK: Class B
• US: Schedule I

CAS Number

• 5881-77-6 ^Y 5537-17-7 (HCl)

PubChem CID

• 69245309

Quick facts Clinical data, Routes ofadministration ...

4-Chloro-α-pyrrolidinovalerophenone

Clinical data
Routes of administration	Oral, intranasal, intravenous, rectal,
Legal status
Legal status	BR: Class F2 (Prohibited psychotropics) CA: Schedule I DE: NpSG (Industrial and scientific use only) UK: Class B US: Schedule I
Identifiers
IUPAC name 1-(4-Chlorophenyl)-2-(1-pyrrolidinyl)-1-pentanone
CAS Number	5881-77-6 Y 5537-17-7 (HCl)
PubChem CID	69245309
ChemSpider	52085629 Y
UNII	DX2R2SJT7G
CompTox Dashboard (EPA)	DTXSID001014167
Chemical and physical data
Formula	C15H20ClNO
Molar mass	265.78 g·mol−1
3D model (JSmol)	Interactive image
SMILES CCCC(C(=O)c1ccc(cc1)Cl)N2CCCC2
InChI InChI=1S/C15H20ClNO/c1-2-5-14(17-10-3-4-11-17)15(18)12-6-8-13(16)9-7-12/h6-9,14H,2-5,10-11H2,1H3 Key:NIGBFBTVONRYQN-UHFFFAOYSA-N

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In the United States, 4-chloro-α-PVP is a Schedule I Controlled Substance.^[2]