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1Provenance card

the boundary, as counts

Sources

3021 with DOI

2 strong · 16 moderate · 12 weak

Compilations

12026-05-11T21:33:26.715Z

pipeline-v5 · prompt hash not recorded — run predates 2026-09

Decisions

44last ruled 2026-06-04

0 awaiting a ruling

Issued documents

42026-10-19T20:31:54.821Z

notice · info card · emergency

Searches

152 with no results

queries and counts on the build

Claims checked

7958 supported

58 supported · 21 not

Correspondence

0received

consent field ships in Phase 4

Edges

260

derivations recorded for this entity

Complete over 30 sources, 1 compilation, and 44 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/ethylphenidate/archive

Timeline

what happened, newest first — claims, searches and artifacts stay inside Build

  1. 2026-10-19issueIssued info_card
  2. 2026-09-24srcL- and D-threo ethylphenidate concentrations, pharmacokinetics, and pharmacodynamics in horses.
  3. 2026-09-24srcChiral separation and quantitation of methylphenidate, ethylphenidate, and ritalinic acid in blood using supercritical fluid chromatography.
  4. 2026-09-24srcEthylphenidate as a selective dopaminergic agonist and methylphenidate-ethanol transesterification biomarker.
  5. 2026-09-24srcDesigner drugs: mechanism of action and adverse effects
  6. 2026-09-24srcIntoxication caused by new psychostimulants: analytical methods to disclose acute and chronic use of benzofurans and ethylphenidate
  7. 2026-09-24srcMetabolomics of Methylphenidate and Ethylphenidate: Implications in Pharmacological and Toxicological Effects.
  8. 2026-09-24srcA review of ethylphenidate in deaths in east and west Scotland.
  9. 2026-09-24srcSeven fatalities associated with ethylphenidate.
  10. 2026-09-24srcDevelopment of analytical method for the determination of methylphenidate, the analog ethylphenidate and their metabolite ritalinic acid in oral fluid samples by micro-QuEChERS and liquid chromatography-tandem mass spectrometry.
  11. 2026-09-24srcPharmacological profile of methylphenidate-based designer drugs
  12. 2026-09-24srcRe-emergence of HIV related to injecting drug use despite a comprehensive harm reduction environment: a cross-sectional analysis.
  13. 2026-09-24srcSerious Complications Associated With the Injection of Ethylphenidate: 2 Case Reports.
  14. 2026-09-24srcAnalysis of methylphenidate, ethylphenidate, lisdexamfetamine, and amphetamine in oral fluid by liquid chromatography-tandem mass spectrometry.
  15. 2026-09-24srcProlonged mental health effects of ethylphenidate beyond cessation of use.
  16. 2026-09-24srcNew drug controls and reduced hospital presentations due to novel psychoactive substances in Edinburgh.
  17. 2026-09-24srcRetrospective identification of new psychoactive substances in patient samples submitted for clinical drug analysis
  18. 2026-09-24srcDifferential influences of ethanol on early exposure to racemic methylphenidate compared with dexmethylphenidate in humans
  19. 2026-09-24srcPotential for Underestimation of d-Methylphenidate Bioavailability Using Chiral Derivatization/Gas Chromatography.
  20. 2026-09-24srcAnalytical evidence to show letters impregnated with novel psychoactive substances are a means of getting drugs to inmates within the UK prison service.
  21. 2026-09-24srcRepeated Use of the Psychoactive Substance Ethylphenidate Impacts Neurochemistry and Reward Learning in Adolescent Male and Female Mice.
  22. 2026-09-24src"Chasing the high" - experiences of ethylphenidate as described on international internet forums.
  23. 2026-09-24srcDetection of the novel metabolite ethylphenidate after methylphenidate overdose with alcohol coingestion.
  24. 2026-09-24srcSynthesis and pharmacology of ethylphenidate enantiomers: the human transesterification metabolite of methylphenidate and ethanol.
  25. 2026-09-24srcMethylphenidate and its ethanol transesterification metabolite ethylphenidate: brain disposition, monoamine transporters and motor activity.
  26. 2026-09-24srcInfluence of ethanol and gender on methylphenidate pharmacokinetics and pharmacodynamics.
  27. 2026-09-24srcThe experience of an increase in the injection of ethylphenidate in Lothian April 2014-March 2015.
  28. 2026-09-24srcSchedules of Controlled Substances: Placement of Ethylphenidate in Schedule I
  29. 2026-09-24srcEthylphenidate: Chemical Identity and CAS Registry (CAS 57413-43-1)
  30. 2026-09-24srcMethylphenidate-based NPS Temporary Class Drug Order: ACMD Report
  31. 2026-09-24srcThe Misuse of Drugs Act 1971 (Temporary Class Drug) Order 2016 No. 650
  32. 2026-09-04issueIssued emergency
  33. 2026-09-04issueIssued info_card
  34. 2026-09-04issueIssued notice
  35. 2026-06-04proposal42 value proposals approved togetherone review action inferred from a shared reviewer and instant — the graph records one activity per proposal
  36. 2026-06-04publicationPublication — backfill
  37. 2026-05-11revisionRevision 1
  38. 2026-05-11absenceSearched ClinicalTrials.gov for "ethylphenidate" — no results
  39. 2026-05-11absenceSearched ClinicalTrials.gov for "ethylphenidate" — no results
  40. 2026-05-11genGeneration — pipeline-v5 · with 3 morepipeline-v5
  41. 2026-05-11rungeneration run

The same entries, as forms: six forms.