4F-EPH
4-fluoroethylphenidate
1Provenance card
the boundary, as counts
Sources
2115 with DOI
2 strong · 10 moderate · 9 weak
Compilations
12026-05-11T16:47:05.123Z
pipeline-v5 · prompt hash not recorded — run predates 2026-09
Decisions
34last ruled 2026-06-04
0 awaiting a ruling
Issued documents
42026-10-19T20:30:06.275Z
notice · info card · emergency
Searches
243 with no results
queries and counts on the build
Claims checked
7952 supported
52 supported · 27 not
Correspondence
0received
consent field ships in Phase 4
Edges
250
derivations recorded for this entity
Complete over 21 sources, 1 compilation, and 34 decisions.Not here: the private journal (never).Working material — drafts, discards, unsupported claims — is listed below and readable on the working page.Cite: psychedex.org/substances/4f-eph/archive
Timeline
what happened, newest first — claims, searches and artifacts stay inside Build
- 2026-10-19issueIssued info_card
- 2026-09-07srcAnalysis of six 'neuro-enhancing' phenidate analogs
- 2026-09-07srcAnalytical characterization and pharmacological evaluation of the new psychoactive substance 4-fluoromethylphenidate (4F-MPH) and differentiation between the (±)-threo and (±)-erythro diastereomers
- 2026-09-07srcEthylphenidate as a selective dopaminergic agonist and methylphenidate-ethanol transesterification biomarker.
- 2026-09-07srcDesigner drugs: mechanism of action and adverse effects
- 2026-09-07srcDiscriminative stimulus, rewarding, and reinforcing effects of 4-Fluoroethylphenidate in rodents
- 2026-09-07srcOverdose of drugs for attention-deficit hyperactivity disorder: clinical presentation, mechanisms of toxicity, and management.
- 2026-09-07srcTramadol: Understanding the Risk of Serotonin Syndrome and Seizures
- 2026-09-07srcPharmacological profile of methylphenidate-based designer drugs
- 2026-09-07srcPharmacokinetic and pharmacodynamic effects of methylphenidate and MDMA administered alone or in combination
- 2026-09-07srcAnalytically Confirmed Intoxication by 4-Fluoromethylphenidate, an Analog of Methylphenidate
- 2026-09-07src4-Fluoromethylphenidate: Fatal Intoxication Involving a Previously Unreported Novel Psychoactive Substance in the USA
- 2026-09-07srcDifferential influences of ethanol on early exposure to racemic methylphenidate compared with dexmethylphenidate in humans
- 2026-09-07srcFirst Death Involving 4-Fluoroethylphenidate (4F-EPH): Case Report, User Experiences, and Review of the Related Literature
- 2026-09-07srcUse of cognitive enhancers: methylphenidate and analogs
- 2026-09-07srcNovel psychoactive substances (designer drugs): overview and pharmacology of modulators of monoamine signaling
- 2026-09-07srcUK Misuse of Drugs Act 1971 (Amendment) Order 2017 — 4F-EPH Class B scheduling
- 2026-09-07srcBluelight 4F-EPH review thread (user reports, 2019)
- 2026-09-07src4F-EPH PsychonautWiki — dosage, duration, effects overview
- 2026-09-07src4F-EPH first detection: France and UK, March 2016 (EMCDDA/EDND records)
- 2026-09-07src4F-EPH SMILES and CAS number — 2160555-59-7
- 2026-09-07srcEthylphenidate monoamine transporter binding affinities (d-EPH: DAT IC50=27nM, NET IC50=290nM)
- 2026-09-04issueIssued emergency
- 2026-09-04issueIssued info_card
- 2026-09-04issueIssued notice
- 2026-06-04proposal32 value proposals approved togetherone review action inferred from a shared reviewer and instant — the graph records one activity per proposal
- 2026-06-04publicationPublication — backfill
- 2026-05-11revisionRevision 1
- 2026-05-11absenceSearched ClinicalTrials.gov for "4-fluoroethylphenidate 4F-EPH phenidate" — no results
- 2026-05-11absenceSearched PubChem for "4F-EPH" — no results
- 2026-05-11absenceSearched PubMed for "4F-EPH 4-fluoroethylphenidate stimulant" — no results
- 2026-05-11genGeneration — pipeline-v5 · with 3 morepipeline-v5
- 2026-05-11rungeneration run
The same entries, as forms: six forms.