(2 customer reviews)


MDPHP (3′,4′-Methylenedioxy-α-pyrrolidinohexiophenone)

Product name: MDPHP
Formula: C17H23NO3
Molar mass: 289.369 g/mol
Boiling point: 732.2°F (389°C)
ChemSpider ID: 52085733
Elimination half-life: 3–6 hours
PubChem CID: 119057580

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10 grams $110.00
30 grams $180.00
50 grams $275.00
100 grams $450.00
300 grams $830.00
500 grams $1,120.00
1KG $1,850.00
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What is 3′,4′-Methylenedioxy-α-pyrrolidinohexiophenone ?

Buy MDPHP (3′,4′-Methylenedioxy-α-pyrrolidinohexiophenone) is a stimulant of the cathinone class originally developed in the 1960s, which has been reported as a novel designer drug. In the UK its slang name is monkey dust. It is closely related to the potent stimulant MDPV though with slightly milder effects, and has been used as an alternative in some countries following the banning of MDPV.

MDPHP is a central nervous system stimulant that has been widely abused. 3,4-Methylenedioxy-α-pyrrolidinohexanophenone (3,4-MDPHP) is an analog of 3,4-MDPV that differs only by the addition of a single carbon to the alkyl chain. The physiological and toxicological properties of this compound are not known. This product is intended for forensic and research applications.

Buy MDPHP is a stimulant in the cathinone and pyrovalerone classes, making it structurally similar to α-PVP, α-PHP, and MDPV. It has a very limited history of use, having shown up primarily in Europe in the mid-2010s. There’s reason to believe the purity and content of MDPHP batches has been highly variable, sometimes involving other cathinones being sold as it, which makes it harder to characterize its effects.

Side Effects MDPHP


  • Stimulation
  • Increased motivation
  • Mood enhancement and euphoria
  • Increased sociability
  • Increased confidence
  • Relatively smooth feeling
  • Sexual enhancement (e.g. greater interest in sex)


  • Anxiety
  • Paranoia
  • Dry mouth
  • Uncomfortable physical stimulation
  • Muscle tension
  • Increased blood pressure (BP) and heart rate (HR)
  • Compulsive redosing
  • Restlessness

The relative lack of experience reports (at least in English; more reports exist in Polish and other languages) combined with people likely receiving batches of variable potency and composition has made it difficult to characterize the substance. Typically it’s said to be less intense than α-PVP and MDPV, while being somewhat comparable to α-PHP, though users tend to prefer one or the other. While it’s less intense, that can be a positive characteristic, so which drug people prefer depends on what they’re trying to get from the experience. If you’re seeking the greatest euphoria and rush, Buy MDPHP is likely inferior, but it can be superior if you want a more relaxed/mellow experience with a shorter duration. Usually it’s more mood enhancing than substances like amphetamine, 3-FPM, and 2-FMA.

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2 reviews for MDPHP (3′,4′-Methylenedioxy-α-pyrrolidinohexiophenone)

  1. Peter

    Very happy with this purchase. MDPHP is great but importantly this was the first time I shopped with International Research Chemicals – the experience was awesome. Products delivered quickly, safely and reliably. No damage, very nicely packaged, and very little time between time of purchase and delivery. thanks for the great service.

  2. Paulin

    Have used premium drugs pharmacy several times now, and always received my order very promptly.

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