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1Provenance card

the boundary, as counts

Sources

2923 with DOI

3 strong · 12 moderate · 14 weak

Compilations

12026-05-08T13:29:43.706Z

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

Decisions

28last ruled 2026-06-04

0 awaiting a ruling

Issued documents

42026-10-19T20:34:25.337Z

notice · info card · emergency

Searches

182 with no results

queries and counts on the build

Claims checked

1584 supported

4 supported · 154 not

Correspondence

0received

consent field ships in Phase 4

Edges

404

derivations recorded for this entity

Complete over 29 sources, 1 compilation, and 28 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/u-47700/archive

Timeline

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

  1. 2026-10-19issueIssued info_card
  2. 2026-09-07srcIn silico characterization of ligand-receptor interactions for U-47700, N,N-didesmethyl-U-47700, U-50488 at mu- and kappa-opioid receptors
  3. 2026-09-07srcMetabolism of novel opioid agonists U-47700 and U-49900 using human liver microsomes with confirmation in authentic urine specimens from drug users
  4. 2026-09-07srcAnalysis of fentanyl analogs and novel synthetic opioids in blood, serum/plasma, and urine in forensic casework
  5. 2026-09-07srcDesigner drugs: mechanism of action and adverse effects
  6. 2026-09-07srcCharacterization of recent non-fentanyl synthetic opioids via three different in vitro mu-opioid receptor activation assays
  7. 2026-09-07srcCase report: relevance of metabolite identification to detect new synthetic opioid intoxications illustrated by U-47700
  8. 2026-09-07srcAnother fatal case related to the recreational abuse of U-47700
  9. 2026-09-07srcClinical Pharmacokinetics and Pharmacodynamics of Naloxone
  10. 2026-09-07srcPostmortem concentrations of the synthetic opioid U-47700 in 26 fatalities associated with the drug
  11. 2026-09-07srcToxic lifespan of the synthetic opioid U-47,700 in Finland verified by re-analysis of UPLC-TOF-MS data
  12. 2026-09-07srcMultiplex detection of 14 fentanyl analogues and U-47700 in biological samples: Application to a panel of French hospitalized patients
  13. 2026-09-07srcPharmacological characterization of novel synthetic opioids (NSO) found in the recreational drug marketplace
  14. 2026-09-07srcPharmacodynamics and pharmacokinetics of the novel synthetic opioid, U-47700, in male rats
  15. 2026-09-07srcRat-to-human PBPK model of U-47700: Unveiling pharmacokinetic risks of a synthetic opioid through interspecies extrapolation
  16. 2026-09-07srcDARK Classics in Chemical Neuroscience: U-47700
  17. 2026-09-07srcNear death from a novel synthetic opioid labeled U-47700: emergence of a new opioid class
  18. 2026-09-07srcA Fatality Related to the Synthetic Opioid U-47700: Postmortem Concentration Distribution
  19. 2026-09-07srcMultiple Drug-Toxicity Involving Novel Psychoactive Substances, 3-Fluorophenmetrazine and U-47700
  20. 2026-09-07srcChallenges Related to Three Cases of Fatal Intoxication to Multiple Novel Synthetic Opioids
  21. 2026-09-07srcTo Test or Not To Test?: The Value of Toxicology in a Delayed Overdose Death
  22. 2026-09-07srcDeaths Involving Fentanyl, Fentanyl Analogs, and U-47700 - 10 States, July-December 2016.
  23. 2026-09-07srcDevelopment of a vaccine against the synthetic opioid U-47700
  24. 2026-09-07srcAn Expanding World of Novel Psychoactive Substances: Opioids
  25. 2026-09-07srcAnalysis of Novel Synthetic Opioids U-47700, U-50488 and Furanyl Fentanyl by LC-MS/MS in Postmortem Casework
  26. 2026-09-07srcSchedules of Controlled Substances: Temporary Placement of U-47700 Into Schedule I. Final order
  27. 2026-09-07srcCanada Gazette: Regulations Amending Schedule I to the Controlled Drugs and Substances Act (U-47700)
  28. 2026-09-07srcCircular 008/2017: A change to the Misuse of Drugs Act 1971 to control U-47700
  29. 2026-09-07srcUNODC Substance Details: U-47700 (CID 237db0fd)
  30. 2026-09-07srcDEA Schedules Deadly Synthetic Drug U-47700 - Press Release
  31. 2026-09-04issueIssued emergency
  32. 2026-09-04issueIssued info_card
  33. 2026-09-04issueIssued notice
  34. 2026-06-04proposal26 value proposals approved togetherone review action inferred from a shared reviewer and instant — the graph records one activity per proposal
  35. 2026-06-04publicationPublication — backfill
  36. 2026-05-08revisionRevision 1
  37. 2026-05-08absenceSearched ClinicalTrials.gov for "U-47700" — no results
  38. 2026-05-08absenceSearched ClinicalTrials.gov for "U-47700" — no results
  39. 2026-05-08genGeneration — pipeline-v5 · with 3 morepipeline-v5
  40. 2026-05-08rungeneration run

The same entries, as forms: six forms.