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5F-CUMYL-PEGACLONE — Chemistry, Pharmacology, Effects, and Safety Overview
Introduction
One such novel psychoactive substance (NPS) is 5F-CUMYL-PEGACLONE, a potent synthetic cannabinoid receptor agonist. This compound, first identified in drug seizures in 2018, has attracted attention due to its potent effects and health risks. This article provides a comprehensive review of 5F-CUMYL-PEGACLONE, covering its chemical structure, pharmacology, effects, dosage, analogues, safety concerns, and conclusions on its potential impact. Order Now
Chemical Structure
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IUPAC Name:
1-(5-fluoropentyl)-N-(2-phenylpropan-2-yl)-1H-pyrrolo[3,2-c]pyridine-3-carboxamide
Molecular Formula:
C23H26FN3O
Molecular Weight:
379.5 g/mol
Structure Overview:
5F-CUMYL-PEGACLONE is a member of the γ-carboline class of synthetic cannabinoids. It features:
- A γ-carboline (pyrrolo[3,2-c]pyridine) core structure
- A 5-fluoropentyl side chain attached to the nitrogen atom
- A cumyl (2-phenylpropan-2-yl) group linked via a carboxamide bridge
The presence of the fluorine atom enhances the compound’s lipophilicity and potency at cannabinoid receptors.
Structural Similarity:
It shares a structural resemblance with other synthetic cannabinoids like CUMYL-PEGACLONE, but with a fluorinated alkyl side chain, which significantly influences its pharmacological properties.
Pharmacology
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Mechanism of Action:
It acts as a potent full agonist of the CB1 and CB2 cannabinoid receptors. Unlike naturally occurring cannabinoids such as Δ9-THC (a partial agonist), synthetic cannabinoids like 5F-CUMYL-PEGACLONE exert greater binding affinity and intrinsic activity at these receptors.
Binding Affinity:
Although precise Ki values are not consistently reported, synthetic cannabinoids of this class typically exhibit nanomolar to sub-nanomolar affinity for CB1 receptors, contributing to their potent psychoactive and physiological effects.
Pharmacokinetics:
Limited in vivo data exists, but like other lipophilic cannabinoids:
- Rapid onset of action (within minutes when smoked)
- High volume of distribution
- Metabolized primarily by the liver through hydroxylation and carboxylation
- Excreted via urine, detectable through specialized toxicology assays
Effects
Desired Effects:
Users report effects similar to potent cannabis derivatives, including:
- Euphoria
- Altered perception of time and space
- Enhanced sensory experiences
- Deep sedation or relaxation
Adverse Effects:
Due to its high potency and full agonist activity, It is associated with a range of severe side effects:
- Acute anxiety, paranoia
- Hallucinations, confusion
- Nausea, vomiting
- Cardiovascular effects (tachycardia, hypertension)
- Seizures
- Loss of consciousness or coma at high doses
Dosage and Administration
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Routes of Administration:
- Inhalation (smoked or vaporized, typically sprayed onto plant material)
- Oral ingestion (rare)
Dosage:
There are no medically approved dosages. Anecdotal user reports suggest that even milligram or sub-milligram doses can be highly active. The compound’s potency increases the risk of accidental overdose.
Note: Due to the lack of regulated preparations and quality control, precise dosing is highly unpredictable and dangerous.
Analogues and Related Compounds
It is chemically and pharmacologically related to:
- CUMYL-PEGACLONE (non-fluorinated analogue)
- 5F-CUMYL-PINACA
- CUMYL-PINACA
- Other fluorinated alkyl chain synthetic cannabinoids
These analogues differ by side chain length, halogen substitutions, and core structures but generally share high CB1 receptor activity and associated risks.
Safety Considerations
Toxicity:
Synthetic cannabinoids of this class have been implicated in numerous cases of:
- Acute intoxication
- Seizures
- Fatal overdoses
Legal Status:
As of 2024:
- Controlled in many countries under new psychoactive substance legislation (e.g., Schedule I substance in the USA, Class B/C in the UK, and similar restrictions in the EU)
- Often subject to emergency bans due to public health threats
Health Risks:
It presents risks of:
- Neurotoxicity
- Cardiovascular collapse
- Psychosis
- Severe withdrawal symptoms upon repeated use
Conclusion
5F-CUMYL-PEGACLONE represents a highly potent and dangerous synthetic cannabinoid with significant public health implications. Its pharmacological activity as a full CB1 receptor agonist, coupled with its unpredictable dosing and severe adverse effects, makes it a substance of concern for both recreational users and health authorities. Continued research, forensic monitoring, and public awareness campaigns are essential to address the ongoing challenges posed by synthetic cannabinoids like 5F-CUMYL-PEGACLONE.
📌 Disclaimer:
This article is intended for educational, toxicological, and forensic purposes only. The use, possession, or distribution of 5F-CUMYL-PEGACLONE may be illegal and poses significant health risks.



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