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3CMC Crystals / 4CMC

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A-pvp (Flakka) | Beta-pvp

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Ephedrine Powder

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Alpha-PVP for sale (α-pyrrolidinopentiophenone), also known as “flakka,” differs from other synthetic cathinones primarily in its chemical structure and pharmacological profile. These distinctions lead to varying effects on monoamine transporters like DAT (dopamine), NET (norepinephrine), and SERT.

Chemical Structure

Alpha-PVP features a pyrrolidine ring attached to the alpha carbon of a basic cathinone backbone (1-phenyl-2-(pyrrolidin-1-yl)pentan-1-one), enhancing lipophilicity for rapid blood-brain barrier crossing. In contrast:

  • Mephedrone (4MMC) has a 4-methyl group and a secondary amine (N-methyl), resembling methcathinone more closely.

  • MDPV includes a 3,4-methylenedioxy ring, making it a pyrovalerone analog with higher DAT affinity.

  • 3-CMC substitutes chlorine at the 3-position on the phenyl ring, altering potency slightly but retaining substrate-like behavior unlike Alpha-PVP’s inhibitor profile.

Mechanism of Action

Alpha-PVP acts mainly as a potent reuptake inhibitor at DAT and NET (NDRI), with minimal SERT activity. Other cathinones vary:

  • Mephedrone functions more as a substrate releaser for all three transporters (DA, NE, 5-HT), mimicking MDMA with serotonergic effects.

  • MDPV is also a strong DAT/NET inhibitor but shows partial substitution differences in discrimination studies and longer duration.

  • Alpha-PVP produces intense psychostimulant effects like euphoria and alertness with quick onset (10-40 min peak). Mephedrone offers more entactogenic highs, while MDPV elicits stronger locomotion and compulsion.
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Cathinone Primary Action DAT Affinity SERT Activity Key Difference from Alpha-PVP
Alpha-PVP DAT/NET inhibitor Very high Low Baseline: rapid onset, psychomotor focus phenethylamineslab+1
Mephedrone Releaser (DA/NE/5-HT) Moderate High More empathogenic, MDMA-like pmc.ncbi.nlm.nih
MDPV DAT/NET inhibitor Highest Low Longer effects, higher psychomotor potency pubmed.ncbi.nlm.nih+1
3-CMC Substrate/releaser Moderate Moderate Chlorine substitution reduces cocaine-like substitution pmc.ncbi.nlm.nih

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Mephedrone (4‑MMC) Crystals “M-CAT”, “Meow Meow”

4‑methyl‑2‑(methylamino)‑1‑phenylpropan‑1‑one C₁₁H₁₅NO – A synthetic cathinone (β‑keto‑amphetamine) that appears as off‑white to pale‑yellow crystalline shards; stimulant/entactogen.– A synthetic cathinone appearing as white to off‑white crystalline material. It is a stimulant that produces euphoria, increased sociability, and heightened alertness. Classified as a Schedule I substance in many jurisdictions.

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3‑CMC & 4‑CMC Crystals – “3‑Cl‑MCAT” – 3CMC 

“3‑chloromethcathinone”,3‑chloro‑2‑(methylamino)‑1‑phenylpropan‑1‑one C₁₀H₁₀ClNO. – Synthetic cathinones known as 3‑chloro‑methcathinone and 4‑chloro‑methcathinone. They are stimulant‑type research chemicals that can cause increased energy, euphoria, and cardiovascular stimulation. Synthetic cathinone with a chlorine at the 3‑position of the phenyl ring; appears as pale‑white crystals.

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(S)-N‑methyl‑1‑phenylpropan‑2‑amine (free base) – often sold as the hydrochloride salt C₁₀H₁₅N (base) / C₁₀H₁₅ClN (HCl salt) Highly potent central nervous‑system stimulant; the HCl salt crystallises as clear, glass‑like blocks or shards. Highly purified, crystalline form of methamphetamine (often called “crystal meth”). It is a potent central‑ nervous system stimulant that induces intense euphoria, increased energy, and reduced appetite. 

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Crystalline form of 3,4‑methylenedioxy methamphetamine, C₁₁H₁₅NO₂ A phenethylamine‑based empathogen; most often encountered as white‑to‑off‑white crystalline powder or shards. The active ingredient in “Ecstasy.” It acts as both a stimulant and empathogen, producing heightened mood, empathy, and sensory enhancement. Controlled as a Schedule I (U.S.) or comparable schedule elsewhere.

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Ketamine Crystals – “Special K”, “K‑ powder”, “Vitamin K”

 (RS)-2‑(2‑chlorophenyl)-2‑(methylamino)cyclohexan‑1‑one C₁₃H₁₆ClNO A dissociative anesthetic; sold as a fine white crystalline solid (often as the hydrochloride salt). Pure crystalline ketamine, a dissociative anesthetic that can produce analgesia, sedation, and a “detached” perceptual state at higher doses. It is a Schedule III substance in the U.S. and regulated in many other countries. 

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 a synthetic cathinone stimulant. It produces effects similar to other cathinones (euphoria, increased alertness)1‑phenyl‑2‑(pyrrolidin-1‑yl)hexan‑1‑one C₁₆H₂₃NO A pyrrolidine‑ring cathinone analogue; typically found as clear to slightly yellow crystalline powder.. 1‑phenyl‑2‑(pyrrolidin-1‑yl)hexan‑1‑one C₁₆H₂₃NO A pyrrolidine‑ring cathinone analogue; typically found as clear to slightly yellow crystalline powder.

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A‑PIHP Crystals – “Alpha‑PI” -Alpha‑pyrrolidinoisohexophenone

1‑phenyl‑2‑(pyrrolidin-1‑yl)‑2‑methylhexan‑1‑one C₁₇H₂₅NO Structural isomer of A‑PHP with an extra methyl branch; sold as off‑white crystalline shards. another synthetic cathinone analogue with stimulant properties. It is not approved for medical use.

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MDPV Crystals – “M‑DPV”, “V‑drug, Methylenedioxypyrovalerone,

 1‑(1,3‑benzodioxol‑5‑yl)‑2‑(pyrrolidin‑1‑yl)pentan‑1‑one C₁₆H₂₁NO₃ a potent synthetic stimulant (often termed a “bath salt”). It induces strong euphoria, increased focus, and can cause severe agitation or psychosis at high doses. sold as white‑to‑cream crystalline powder. Buy Crystal Meth Online Europe

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Pentedrone Crystals – “Pent‑”, “α‑methylamino‑pentedrone”.

 1‑phenyl‑2‑(pyrrolidin-1‑yl)‑pentan‑1‑one C₁₃H₁₇NO A pyrrolidine‑containing cathinone; appears as fine white‑off‑white crystals. A synthetic cathinone stimulant, sometimes sold as a research chemical. Effects include increased energy, euphoria, and heightened sociability. Controlled as a Schedule I substance in many regions.

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Ephedrine Powder – “Eph”, “Methyl‑ephedrine”, “Epi‑powder”

(1R,2S)-2‑(methylamino)-1‑phenyl‑1‑propanol C₁₀H₁₅NO A phenethylamine alkaloid (sympathomimetic); commonly encountered as a fine white crystalline or powdery solid (often as the free base or the sulfate salt). A naturally occurring alkaloid derived from Ephedra plants, used medically as a bronchodilator and decongestant. In powder form it can also serve as a precursor for synthesis of methamphetamine. 

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