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1Provenance card

the boundary, as counts

Sources

2823 with DOI

1 strong · 19 moderate · 8 weak

Compilations

22026-05-08T10:08:27.004Z

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

Decisions

31last ruled 2026-06-04

0 awaiting a ruling

Issued documents

42026-10-19T20:32:22.027Z

notice · info card · emergency

Searches

00 with no results

queries and counts on the build

Claims checked

139127 supported

127 supported · 12 not

Correspondence

0received

consent field ships in Phase 4

Edges

350

derivations recorded for this entity

Complete over 28 sources, 2 compilations, and 31 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/isotonitazene/archive

Timeline

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

  1. 2026-10-19issueIssued info_card
  2. 2026-09-24srcReport on a novel emerging class of highly potent benzimidazole NPS opioids: Chemical and in vitro functional characterization of isotonitazene.
  3. 2026-09-24srcHuman metabolism of four synthetic benzimidazole opioids: isotonitazene, metonitazene, etodesnitazene, and metodesnitazene.
  4. 2026-09-24srcIn vitro structure-activity relationships and forensic case series of emerging 2-benzylbenzimidazole 'nitazene' opioids.
  5. 2026-09-24srcThe emergence of nitazenes: a new chapter in the synthetic opioid crisis.
  6. 2026-09-24srcFatal intoxications with nitazenes: postmortem findings, toxicology, and in vitro characterization at the mu-opioid receptor of six nitazene analogues.
  7. 2026-09-24srcAlkoxy chain length governs the potency of 2-benzylbenzimidazole 'nitazene' opioids associated with human overdose.
  8. 2026-09-24srcNew Synthetic Opioids: Clinical Considerations and Dangers.
  9. 2026-09-24srcComparative neuropharmacology of structurally distinct non-fentanyl opioids appearing on recreational drug markets worldwide.
  10. 2026-09-24srcIsotonitazene: Fatal intoxication in three cases involving this unreported novel psychoactive substance in Switzerland.
  11. 2026-09-24srcPostmortem distribution of isotonitazene and its three metabolites in the first lethal case observed in France.
  12. 2026-09-24srcNitazene-related deaths in Norway 2021-2024.
  13. 2026-09-24srcDetection of N-desethyl etonitazene in a drug checking sample: Chemical analysis and pharmacological characterization.
  14. 2026-09-24srcPharmacological characterization of novel synthetic opioids: Isotonitazene, metonitazene, and piperidylthiambutene as potent mu-opioid receptor agonists.
  15. 2026-09-24srcNavigating nitazenes: A pharmacological and toxicological overview of new synthetic opioids with a 2-benzylbenzimidazole core.
  16. 2026-09-24srcThe synthetic opioid isotonitazene induces locomotor activity and reward effects through modulation of the central dopaminergic system in mice.
  17. 2026-09-24srcIsotonitazene, a synthetic opioid from an emerging family: The nitazenes.
  18. 2026-09-24srcNitazenes: review of comparative pharmacology and antagonist action.
  19. 2026-09-24srcIs nitazene-related mortality underestimated? Findings from an in vivo and ex vivo rat study and pharmacoepidemiological analysis of coroner-reported deaths.
  20. 2026-09-24srcAcute Intoxications and Fatalities Associated With Benzimidazole Opioid (Nitazene Analog) Use: A Systematic Review.
  21. 2026-09-24srcProliferation of Novel Synthetic Opioids in Postmortem Investigations After Core-Structure Scheduling for Fentanyl-Related Substances.
  22. 2026-09-24srcSlow dissociation kinetics of fentanyls and nitazenes correlates with reduced sensitivity to naloxone reversal at the mu-opioid receptor.
  23. 2026-09-24srcPharmacologic Characterization of Substituted Nitazenes at mu, kappa, and delta Opioid Receptors Suggests High Potential for Toxicity
  24. 2026-09-24srcNitazenes: The Emergence of a Potent Synthetic Opioid Threat.
  25. 2026-09-24srcSchedules of Controlled Substances: Temporary Placement of Isotonitazene in Schedule I
  26. 2026-09-24srcACMD advice on nitazene and related compounds
  27. 2026-09-24srcSchedules of Controlled Substances: Placement of Isotonitazene in Schedule I
  28. 2026-09-24srcCommission on Narcotic Drugs: Decision to place isotonitazene under international control
  29. 2026-09-24srcWHO Expert Committee on Drug Dependence: 43rd Report - Critical review of isotonitazene
  30. 2026-09-04issueIssued emergency
  31. 2026-09-04issueIssued info_card
  32. 2026-09-04issueIssued notice
  33. 2026-06-04proposal29 value proposals approved togetherone review action inferred from a shared reviewer and instant — the graph records one activity per proposal
  34. 2026-06-04publicationPublication — backfill
  35. 2026-05-08revisionRevision 1
  36. 2026-05-08genGeneration — pipeline-v5 · with 2 morepipeline-v5
  37. 2026-05-08rungeneration run
  38. 2026-05-08rungeneration run

The same entries, as forms: six forms.