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4F-EPH Stats & Data

Stimulant Research-chemical

4f-tep 4-fluoroethylphenidate 4-feph

NPS DataHub

MW265.33

FormulaC15H20FNO2

CAS2160555-59-7

IUPACEthyl 2-(4-fluorophenyl)-2-(piperidin-2-yl)acetate

SMILESCCOC(=O)C(C1CCCCN1)c1ccc(F)cc1

InChIKeyRKXQYWFDJDYSEN-UHFFFAOYSA-N

Phenethylamines; Piperidines & pyrrolidines; 2020/1. Von 2-Phenethylamin abgeleitete Verbindungen; 2021/1. Von 2-Phenethylamin abgeleitete Verbindungen; 2022/1. Von 2-Phenethylamin abgeleitete Verbindungen

Chemical Class Phenethylamine

Psychoactive Class Stimulant

Interaction Warnings

⚠ mdma

The neurotoxic effects of MDMA may be increased when combined with other stimulants.

⚠ cocaine

This combination may increase strain on the heart.

Receptor Profile

Receptor Actions

Inhibitors

Dopamine reuptake inhibitor

Norepinephrine reuptake inhibitor

Effect Profile

Curated

Stimulant 5.9

Strong anxiety/jitters and focus with moderate euphoria, mild stimulation

Stimulation / Energy×3

Euphoria / Mood Lift×2

Focus / Productivity×2

Anxiety / Jitters×1

Based on reports from:

Erowid Experience Reports PsychonautWiki 4F-EPH The Drug Users Bible 4F-EPH

Tolerance & Pharmacokinetics

drugs.wiki

Tolerance Decay

Full tolerance 1h Half tolerance 10d Baseline ~14d

Legal Status

Country	Status	Notes
Germany	4-Fluoroethylphenidate is controlled under the NpSG ( New Psychoactive Substances Act ) as of November 26, 2016.	Production and import with the aim to place it on the market, administration to another person and trading is punishable. Possession is illegal but not penalized.
Switzerland	4F-EPH is a controlled substance specifically named under Verzeichnis E.
United Kingdom	4-Fluoroethylphenidate is a class B drug in the UK as of May 31st 2017, making it illegal to possess, produce or supply.

References

Data Sources

Cited References

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