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CAS Number:1373918-61-6
Formula: C14H21NO
Molecular weight: 219.32
Compound purity: > 99.7%
IUPAC: 1-(4-methylphenyl)-2-methylamino-pentan-1-one
Synonyms: 2-Methyl-2,4-pentanediol, 4-methyl-pentedrone, 2-(methylamino)-1-(p-tolyl)pentan-1-one
4-Methylpentedrone (also known as 4-MPD and 4-Methyl-α-methylamino-valerophenone), is a stimulant drug of the cathinone class that has been sold online as a designer drug. It is a higher homologue of 4-Methylmethcathinone (Mephedrone) and 4-Methylbuphedrone (4-MeMABP), and the p-Methyl analogue of Pentedrone.

4-mpd with an IUPAC name of 2-(ethylamino)-1-(p-tolyl)pentan-1-one and a chemical formula of C14H21NO with an exact mass of 219.16 and a molecular weight of 219.32 is a new research chemical. Since the chemical is so new on the market.

Another compound, 4-Methyl-N-Ethyl-Pentedrone (4-MEAP, 4-MEAPP) has been found to be incorrectly sold as 4-Methylpentedrone.
4-Methylpentedrone online is a compound considered to be a Pentedrone analogue with features and characteristics common for psychoactive stimulants. This substance has one difference, though, and it is the presence of a methyl group that is added to the position 4 of a phenyl ring.

The designer drug is also commonly referred as 4-Methyl-α-methylamino-valerophenone or 4-MPD for short. The stimulant is offered online as a drug of the cathinone class and viewed as a p-Methyl analogue of Pentedrone or a higher homologue of 4-methylmethcathinone. During the research it was found that 4-Methylpentedrone for sale contains 2 hydrogen bond receptors and 5 freely floating bonds. The refractory index of the substance is 1.507. The chemical boils at 289.371C and its flash point equals 107.223C. Along with other analogues and homologues, the compound is also a very powerful norepinephrine & dopamine reuptake inhibitor. However, it doesn’t lead to the release of these substances. Some users buy 4-Methylpentedrone confusing it with 4-MEAPP or 4-MEAP, which is 4-Methyl-N-Ethyl-Pentedrone. FYI, the substances are different chemically.