4-MPD (also known as 4-Methylpentedrone and 4-Methyl-α-methylamino-valerophenone), is a stimulant drug of the cathinone class. It is a higher homologue of 4-Methylmethcathinone (Mephedrone) and 4-Methylbuphedrone (4-MeMABP), and the p-Methyl analogue of Pentedrone.

CAS No: 1373918-61-6
MF: C13H19NO
IUPAC: 4-Methyl-α-methylamino-valerophenone
Synonyms:
Appearance: Large off-white crystal
Assay: 99%