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cyclothiazide

vr.tr.cyclothiazide · thing-q5199066

Enable an AI agent to identify cyclothiazide, assess the suitability of a particular sample, and determine which handling or research actions its evidence supports.

Thing Registry Physical world and living systems PHY.MAT

Bundle → Layer → Finding → Questions Filled

6 bundles · 11 layers · 16 findings · 30 questions

Molecular identity Establish what the cyclothiazide registry entry denotes and how candidate records map to it.

Structure and identifiers

Reconcile external identifiers with a chemically explicit representation.

Identity anchor

PubChem associates cyclothiazide with CID 2910 and CAS 2259-96-3; candidate records should also agree structurally. [PubChem](https://pubchem.ncbi.nlm.nih.gov/compound/Cyclothiazide)

  1. Does the candidate record's molecular structure agree with the cyclothiazide reference structure? definition
  2. Which authoritative record supports each identifier, and when was it checked? provenance

Stereochemistry and boundaries

Distinguish molecular identity from sample stereochemistry and commercial presentation.

Represented chemical entity

An unspecified structure record does not establish the stereochemical composition, solvation state, or formulation of a physical sample.

  1. Which stereochemical assignments or mixture proportions are explicitly supported for this cyclothiazide sample? measurement
  2. Does the supplied name denote cyclothiazide itself, a particular material form, or a product containing it? boundary
Lot composition and quality Record evidence that a particular lot contains cyclothiazide at a usable and known quality.

Analytical confirmation

Connect identity and content claims to measurements on the actual lot.

Identity and content evidence

Identity testing, quantitative assay, and chromatographic purity answer different questions and should remain distinguishable.

  1. Which lot-specific measurements establish that the principal component is cyclothiazide? provenance
  2. Is the reported purity a mass-based assay, chromatographic area percentage, or another quantity? measurement

Minor components

Account for components that alter weighed content or experimental interpretation.

Composition-dependent suitability

Water, residual solvents, unidentified peaks, and any resolved stereochemical components need evidence before a lot is accepted for its intended use.

  1. What impurity, water, and residual-solvent measurements are available for this cyclothiazide lot? measurement
  2. Do the documented composition and analytical limits meet the requirements of the intended assay or reference-material use? action
Physical form and preparations Describe the material state and the conditions under which cyclothiazide preparations remain usable.

Solid and thermal state

Record observed form and experimentally supported thermal behaviour.

Form-specific properties

Treat solid-form assignments and thermal values as evidence-dependent properties of characterised material.

  1. What evidence characterises the solid form and any associated water or solvent in this cyclothiazide sample? measurement
  2. Does a reported thermal event represent melting, solvent loss, or decomposition, and under what conditions? measurement

Dissolution and stability

Connect preparation conditions to dissolved concentration and integrity over time.

Usable solution

Solvent compatibility, dilution behaviour, and storage stability require separate evidence for stock and working solutions.

  1. What dissolved concentration is supported in the specified solvent or assay medium at the stated temperature and pH? measurement
  2. What measurements establish that cyclothiazide remains dissolved and chemically intact after dilution and storage? measurement
  3. When should a preparation be rechecked or rejected because its concentration or integrity is uncertain? action
Biological activity and interpretation Record cyclothiazide effects without treating its pharmacological labels as universal assay outcomes.

AMPA response

Specify the experimental conditions supporting an AMPA modulation claim.

Desensitization modulation

Primary research has investigated cyclothiazide potentiation in AMPA-driven rat hippocampal release experiments; such results retain their experimental context. [Research article](https://pmc.ncbi.nlm.nih.gov/articles/PMC1565195/)

  1. Which receptor composition, biological preparation, agonist exposure, and cyclothiazide concentration produced the reported effect? provenance
  2. Does the endpoint measure desensitization directly or an indirect response such as transmitter release? measurement
  3. What controls distinguish cyclothiazide modulation from vehicle effects and changes in preparation viability? action

Other effects and transfer

Bound conclusions about renal activity, other targets, and transfer between experimental systems.

Activity is not selectivity

Cyclothiazide is classified as a thiazide diuretic, but that classification does not establish every target effect or its relevance at a particular experimental concentration. [PubChem](https://pubchem.ncbi.nlm.nih.gov/compound/Cyclothiazide)

  1. Which primary experiments establish renal transport effects or additional receptor effects for cyclothiazide itself? provenance
  2. At the intended concentration and exposure duration, which competing biological effects remain unresolved? boundary
Handling and use constraints Connect decisions about cyclothiazide material to applicable safety, storage, and regulatory evidence.

Hazard and exposure evidence

Identify the safety information applicable to the supplied material and proposed operation.

Documented handling basis

Hazard classifications and exposure limits must be traced to applicable records; absent values remain unknown.

  1. Which current SDS applies to this cyclothiazide material, and what classification and handling measures does it specify? provenance
  2. Is a substance-specific occupational exposure limit established in the relevant jurisdiction, or is none documented? provenance
  3. Which containment, storage, and disposal actions are supported for the proposed powder or solution operation? action

Regulatory and grade boundaries

Separate chemical registration, supplier grade, and authorisation of medicinal products.

Permitted-use basis

Use eligibility depends on the material's documented grade and applicable jurisdictional records, with medicinal-product decisions linked to neighbouring models.

  1. Which EC or other jurisdictional chemical identity records, if any, verifiably correspond to cyclothiazide? provenance
  2. What documented restrictions govern this lot's intended research, analytical, or manufacturing use? action
  3. Which claims concern an authorised finished medicine rather than the cyclothiazide substance itself? boundary
Evidence and external alignment What the world already says about this thing, gathered so the model can be checked against it.

Reported evidence

Findings from the breadth pass, kept separate from the structural claims.

Check these first

Recalled without web access and unsourced; every item is a lead to verify.

  1. Which of these check these first hold for the sense of cyclothiazide this model covers, and on what evidence? provenance

Identifiers and schemes

Recalled without web access and unsourced; every item is a lead to verify.

  1. Which of these identifiers and schemes hold for the sense of cyclothiazide this model covers, and on what evidence? provenance

Real-world use

Recalled without web access and unsourced; every item is a lead to verify.

  1. Which of these real-world use hold for the sense of cyclothiazide this model covers, and on what evidence? provenance

Typical measurements

Recalled without web access and unsourced; every item is a lead to verify.

  1. Which of these typical measurements hold for the sense of cyclothiazide this model covers, and on what evidence? provenance

Failure modes and hazards

Recalled without web access and unsourced; every item is a lead to verify.

  1. Which of these failure modes and hazards hold for the sense of cyclothiazide this model covers, and on what evidence? provenance

Neighbouring kinds and how to tell them apart

Recalled without web access and unsourced; every item is a lead to verify.

  1. Which of these neighbouring kinds and how to tell them apart hold for the sense of cyclothiazide this model covers, and on what evidence? provenance

Classifiers Filled

Family
Thing Registry
Category
Physical world and living systems
Entry kind
thing
Plane
PHY
Domain
PHY.MAT

What it is Filled

Cyclothiazide is a synthetic benzothiadiazine sulfonamide with thiazide diuretic activity that is also used experimentally as a positive allosteric modulator of AMPA-type glutamate receptors, chiefly by reducing receptor desensitization.

In scope

  • Molecular identity and identifier reconciliation
  • Stereochemical composition, purity, and impurities of samples
  • Solid-state properties, dissolution, and solution stability
  • Cyclothiazide activity in explicitly identified experimental systems
  • Evidence governing handling, storage, disposal, and permitted use

Out of scope

  • Finished medicines and their excipients, packaging, or brand identities
  • Patient diagnosis, prescribing, and treatment decisions
  • AMPA receptors and renal transporters as independently modelled biological entities
  • Manufacturing processes and laboratory protocols as executable workflows
  • Other thiazide substances and other AMPA receptor modulators

Why it exists Filled

Enable an AI agent to identify cyclothiazide, assess the suitability of a particular sample, and determine which handling or research actions its evidence supports.

Distinguishing features Filled

  • Match the molecular structure as well as CAS 2259-96-3 and PubChem CID 2910; a similar name or shared drug class is insufficient. [PubChem](https://pubchem.ncbi.nlm.nih.gov/compound/Cyclothiazide)
  • Check for molecular formula C14H16ClN3O4S2 and a molecular mass of approximately 389.9 g/mol, while recognising that formula and mass alone cannot resolve isomers. [PubChem](https://pubchem.ncbi.nlm.nih.gov/compound/Cyclothiazide)
  • Confirm the norbornenyl-substituted benzothiadiazine dioxide structure rather than identifying the sample merely as a thiazide. [PubChem](https://pubchem.ncbi.nlm.nih.gov/compound/Cyclothiazide)
  • Distinguish AMPA receptor modulation from direct agonism: cyclothiazide is described as a positive allosteric modulator that inhibits desensitization, but that activity is not an identity assay. [Tocris](https://www.tocris.com/pharmacology/ampa-receptors/modulators)

What robots and AI may and may not do Filled

Must not

  • Recommend, dose or supply it to a person without a prescriber's decision.
  • Present research effects on brain receptors as therapeutic uses.
  • Ignore electrolyte disturbances in people taking diuretics.

Only with a human decision

  • Any decision to start, stop or change treatment.

May

  • Describe cyclothiazide's diuretic use and its separate role as a research tool for glutamate receptors.
  • Keep clinical facts and laboratory findings clearly apart.

Moral aspects Filled

  • Mixing research and clinical claims can mislead patients about what a drug does.

Who is affected

  • Patients
  • Research staff
  • Prescribers

Owners Filled

Steward

The marketing authorisation holder where it is licensed; the prescriber answers for each use.

Master systems

  • National medicines registers

Links to other meta-models Filled

parent

  • Q11173 - registry parent class

What else AI and robots need to interact with it Filled

Identity and identifiers required Filled

  • Vercy registry: vr.tr.cyclothiazide
  • Wikidata: Q5199066 (https://www.wikidata.org/wiki/Q5199066)

Direct properties required Filled

  • Chemical identity: vr.tr.cyclothiazide; CAS 2259-96-3; PubChem CID 2910; structure representation
  • Stereochemical specification: Explicitly assigned stereochemistry; characterised mixture; unspecified
  • Assayed cyclothiazide content: % w/w or mol/mol, with analytical method and reporting basis
  • Impurity and residual-solvent profile: Named components in % w/w, ppm, or explicitly identified analytical response units
  • Physical and solid-state form: Observed phase; characterised crystal or amorphous form; water or solvent content; unknown
  • Thermal behaviour: Melting or decomposition range in °C, with method; boiling data only when experimentally supported
  • Conditional solubility: mg/mL or mmol/L with solvent, temperature, pH where applicable, and equilibration method
  • Solution integrity: Verified dissolved and intact; precipitated; chemically degraded; unverified
  • AMPA modulation response: Concentration in µmol/L; current ratio, desensitization time constant in ms, or defined assay response
  • Use and hazard evidence: Dated supplier SDS, lot certificate, jurisdictional identity record, and applicable use restriction

Recognition required Filled

  • Identity cannot be settled by sight; tablets or research powders must be confirmed by label and records.

Capabilities and actions required Filled

  • Reconcile a candidate identity record against cyclothiazide identifiers and molecular structure.
  • Assess whether a cyclothiazide lot has sufficient identity, composition, and quality evidence for a stated use.
  • Calculate a proposed solution concentration from assayed content and verify its feasibility against conditional solubility evidence.
  • Compare cyclothiazide activity measurements only across sufficiently documented experimental conditions.
  • Flag precipitation, degradation, or uncharacterised impurities that undermine interpretation of a preparation.
  • Determine supported storage, handling, and disposal actions from applicable safety and stability records.

Hazards and failure modes required Filled

  • Low potassium or sodium and dehydration, as with other thiazides.
  • In research use, its effects on brain receptors can promote seizures in animals.

Standards and interfaces required Filled

  • The United Nations Economic Commission for Europe's Globally Harmonized System of Classification and Labelling of Chemicals provides a framework for communicating applicable chemical hazards through national implementations.

Context of use required Filled

  • Cyclothiazide is encountered in pharmacological research on AMPA receptor responses and receptor desensitization.
  • Its thiazide diuretic activity provides a separate context for interpreting historical medicinal use and experimental effects.

Sources Filled

  1. Wikidata item Q5199066: cyclothiazide - identity and sense of the item
  2. Wikipedia: Cyclothiazide - general description of the item

Open questions

  • What stereochemical composition is represented by commonly supplied cyclothiazide materials, and which differences have demonstrated effects on activity?
  • Which solid forms, melting or decomposition ranges, and solvent-dependent solubilities are supported by reproducible measurements on characterised material?
  • How long do cyclothiazide stock and working solutions remain dissolved and chemically intact under specified storage and assay conditions?
  • Which concentration-dependent effects on non-AMPA targets could confound its use as an AMPA desensitization inhibitor?
  • Which current EC identity, jurisdiction-specific hazard classifications, exposure limits, and use restrictions are verified for the exact material concerned?

Machine files

Provenance

thing registry research (pass 2) · unreviewed

Built from: models/things/publications/thing-q5199066/spec.json