Where to buy 4-Methylpentedrone (4-MPD) for sale online


4-Methylpentedrone, also recognized as 4-MPD and 4-Methyl-α-methylamino-valerophenone, is a stimulant substance classified within the cathinone group. This compound has been made available for purchase online as a designer drug. It is structurally similar to 4-methylmethcathinone (mephedrone) and 4-methylbuphedrone (4-MeMABP), with an additional methyl group compared to pentedrone. Alternatively, it can be regarded as the methylamino counterpart of pyrovalerone.
It is important to note that a related compound called 4-methyl-α-ethylaminopentiophenone (4-MEAP) has been mistakenly sold under the name 4-methylpentedrone.

IUPAC name
CAS Number1373918-61-6 
Chemical and physical data
Molar mass205.301 g·mol−1


1. What is 4-Methylpentedrone?

  • 4-Methylpentedrone, or 4-MPD, is a stimulant drug in the cathinone class. It is often sold as a designer drug.

2. What are its other names?

  • Besides 4-MPD, it is also known as 4-Methyl-α-methylamino-valerophenone.

3. How does 4-Methylpentedrone work?

  • 4-Methylpentedrone is believed to work by affecting the release, reuptake, and inhibition of certain neurotransmitters, such as dopamine, norepinephrine, and serotonin, in the brain.

4. Is it legal?

  • The legal status of 4-Methylpentedrone varies from country to country and can change over time. It may be considered illegal in some regions due to its classification as a designer drug.

5. What are the effects of 4-methylpentedrone?

  • The effects of 4-methylpentedrone can include increased energy, alertness, and euphoria. It may also increase heart rate and blood pressure, and potential side effects like anxiety and insomnia.

6. Is 4-Methylpentedrone safe?

  • The safety of 4-methylpentedrone has not been extensively studied, and its use carries risks. It may lead to health problems, addiction, or adverse reactions. It is crucial to exercise caution and avoid use without proper medical guidance.

7. Can it be addictive?

  • Like many stimulant drugs, 4-methylpentedrone has the potential to be addictive. Users may develop tolerance and dependence with regular or excessive use.

8. How is it typically used?

  • 4-Methylpentedrone is often consumed orally, nasally (snorted), or occasionally by other routes. The method of use can affect the onset and duration of its effects.

9. Are there any legal alternatives to 4-Methylpentedrone?

  • It is essential to emphasize that designer drugs or their alternatives can be unsafe and legally questionable. Seeking legal and safer alternatives is recommended.

10. What precautions should I take if I choose to use it?

– If you decide to use 4-methylpentedrone, it’s vital to exercise extreme caution and be aware of potential risks. Start with a low dose, avoid mixing with other substances, and monitor your health closely.


  1. “4-Methylpentedrone”. Cayman Chemical. Retrieved 28 June 2015.
  2. Hamby D, Burnett A, Jablonsky M, Twamley B, Kavanagh PV, Gardner EA (May 2015). “Identification of 2-(ethylamino)-1-(4-methylphenyl)-1-pentanone (4-MEAP), a New “Legal High” Sold by an Internet Vendor as 4-Methyl Pentedrone”. Journal of Forensic Sciences. 60 (3): 721–6. doi:10.1111/1556-4029.12712. PMID 25923458. S2CID 19336157.
  3. Uchiyama N, Matsuda S, Kawamura M, Shimokawa Y, Kikura-Hanajiri R, Aritake K, et al. (October 2014). “Characterization of four new designer drugs, 5-chloro-NNEI, NNEI indazole analog, α-PHPP and α-POP, with 11 newly distributed designer drugs in illegal products”. Forensic Science International. 243: 1–13. doi:10.1016/j.forsciint.2014.03.013. PMID 24769262.

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