4-MPD

Molecular structure via molpic based on CDK

Physical properties []
Molecular mass	205.30 g/mol ^[1]
Predicted LogP	2.9 ^[1]

Structural Identifiers []
Molecular formula	C₁₃H₁₉NO ^[1]
IUPAC name	2-(methylamino)-1-(4-methylphenyl)pentan-1-one ^[1]
SMILES	CCCC(C(=O)C1=CC=C(C=C1)C)NC ^[1]
InChI	InChI=1S/C13H19NO/c1-4-5-12(14-3)13(15)11-8-6-10(2)7-9-11/h6-9,12,14H,4-5H2,1-3H3 ^[1]
InChIKey	AKVKBEDACKJNPO-UHFFFAOYSA-N ^[1]

4-Methylpentedrone

4-Methylpentedrone (also known as 1-Pentanone, 2-(methylamino)-1-(4-methylphenyl)-, 4-Methylpentedrone, 1373918-61-6, 4-MPD, G83HJ935NV, 4-Methyl-α-methylamino-valerophenone, Dtxsid301032536, 4-methylpentedrone, Dtxcid701517550 or 1-(4-Methylphenyl)-2-methylamino-pentan-1-one) is a substance of the cathinone class.

Chemistry

Stereochemistry []

4-Methylpentedrone is a racemic mixture of the enantiomers

Anodyne Usernotes []
0xea / 4-Methylpentedrone^{[hydrochloride]} via Insufflated, Intravenous at 5-50mg intravenous and 20-50mg insufflated	duration: 2-3 hours intravenous moderately entactogenic; intense short acting euphoria; quite potent; stimulation

Legal status []

Germany: 4-Methylpentedrone is a Neuer-Psychoaktiver-Stoff under the "Neue-psychoaktive-Stoffe-Gesetz (NpSG)".
United Kingdom: 4-Methylpentedrone is a Class B substance.

External links []

References []

National Center for Biotechnology Information. PubChem Compound Summary for CID 124201807, 1-Pentanone, 2-(methylamino)-1-(4-methylphenyl)-. Accessed December 30, 2025. https://pubchem.ncbi.nlm.nih.gov/compound/124201807
U.S. Food and Drug Administration; National Center for Advancing Translational Sciences. 4-Methylpentedrone. UNII: G83HJ935NV. Global Substance Registration System. Accessed December 30, 2025. https://gsrs.ncats.nih.gov/ginas/app/beta/substances/G83HJ935NV