melatonin

melatonin from the Nexus Sleep catalog, supplied for controlled in-vitro research workflows.
In stock: 10mg is in stock.
Certificate pending
Final assay values publish here once independent documentation is available. See the verification process.
For in-vitro research use only. Not for human consumption.
Melatonin is an indoleamine small molecule used as a reference compound in circadian and oxidative-stress research contexts.
melatonin definition
Melatonin is an indoleamine small molecule used as a reference compound in circadian and oxidative-stress research contexts. N-acetyl-5-methoxytryptamine. Supplied for controlled in-vitro research workflows.
No sequence is listed in the current catalog record for this product.
- CAS
- 73-31-4
- MW
- 232.28 g/mol
- Sequence
- Not listed
- Half-life
- Not listed
- Formula
- C13H16N2O2
- Purity
- Certificate pending
- Form
- Powder or lyophilized solid per supplier specification
- Class
- Indoleamine small molecule
This lyophilized research material is commonly paired with bacteriostatic water for reconstitution workflows.
Browse bacteriostatic waterThe dossier.
Compound Overview
Melatonin is identified in the supplied research data as an indoleamine small molecule used as a reference compound in circadian and oxidative-stress research contexts. Nexus presents this material as a research reagent, not as a clinical-use material or treatment-oriented compound.
The structural descriptor provided for melatonin is N-acetyl-5-methoxytryptamine. The source record also provides the CAS number 73-31-4, molecular formula C13H16N2O2, and molecular weight 232.28 g/mol. No peptide sequence is listed because the source classifies melatonin as a non-peptide small molecule rather than a peptide or peptide blend.
Because the available source data is concise, this description remains focused on identity, classification, handling, verification workflow, and research-use boundaries. It does not add unprovided mechanism claims, assay outcomes, concentration-response observations, pharmacology conclusions, or application guidance beyond the research contexts specifically supplied.
Research Background & Published Literature
The provided research background states that melatonin is a common non-peptide molecule and that Nexus copy should avoid supplement positioning while preserving research-reagent language. In that framework, melatonin is best described here as a reference material for laboratory contexts involving circadian and oxidative-stress research, with all interpretation limited to controlled in-vitro research use.
The supplied source list includes a PubChem melatonin record for compound identity context:
No peer-reviewed citation list, assay dataset, disease-model result, or lot-specific analytical report was provided with the melatonin source data. Nexus therefore does not use this page to summarize unsupported literature claims or extrapolate from external materials not included in the provided research file.
Researchers reviewing the literature around this compound can use the peer-reviewed resources below for additional context on mechanism of action, signaling pathways, and controlled laboratory research applications:
Storage, Handling & Stability Guidelines
The provided storage guidance is to store melatonin cool, dry, and protected from light according to the supplier COA. The source record does not provide a validated long-term temperature, reconstitution solvent, post-reconstitution hold time, freeze-thaw limit, or stability-study interval, so those values are not added here.
- Keep the container sealed when not in use to reduce avoidable moisture exposure.
- Protect the material from direct light during storage and bench handling.
- Use clean laboratory tools and appropriate PPE according to institutional chemical-handling procedures.
- Maintain traceable internal records for product name, SKU, receipt date, storage location, and operator handling.
- Refer to current lot documentation for any storage or handling details beyond the general source guidance above.
If a laboratory prepares solutions or aliquots from this material, concentration, diluent, compatibility, and stability should be established through the laboratory's validated protocol or lot-specific documentation. This page does not provide dosing, administration, or human-use preparation instructions.
Lab Verification
Nexus maintains research-compound verification records through the Lab Verified archive. In general terms, Nexus verification workflows may reference High-Performance Liquid Chromatography (HPLC) for chromatographic review and Mass Spectrometry (MS) for molecular-identity confirmation where current lot documentation is available.
The supplied melatonin source data does not include exact COA values, batch identifiers, HPLC purity percentage, MS found mass, retention time, or release-date metadata. For that reason, this page references HPLC/MS verification only in general terms and does not display a lot-specific analytical claim. Researchers should review /lab-verified for current documentation before initiating laboratory work.
Shipping
Orders ship within the United States via USPS; international orders are not accepted. Compounds are supplied as lyophilized research material — follow the storage and reconstitution guidance on the product page and its Certificate of Analysis.
Compound details.
- CAS Number
- 73-31-4
- Molecular Weight
- 232.28 g/mol
- Molecular Formula
- C13H16N2O2
- Class
- Indoleamine small molecule
- Physical Form
- Powder or lyophilized solid per supplier specification
- Storage
- Store cool, dry, and protected from light per supplier COA.
Research context.
melatonin is studied in preclinical research models examining mechanisms relevant to the sleep and circadian research compounds. Independently verified Nexus Laboratory batches are documented through third-party HPLC purity verification, mass spectrometry identity confirmation, and endotoxin context where applicable; lots awaiting final documentation are labeled certificate pending. Compounds are supplied strictly for in-vitro and analytical research use.
Verification standard.
Independently verified Nexus Laboratory batches ship with a Certificate of Analysis documenting HPLC purity (target ≥98%), mass spectrometry identity (expected versus observed mass), and endotoxin context where applicable — verified by independent third-party laboratories and publicly archived; lots awaiting final documentation are labeled certificate pending instead of showing assay values. Review Nexus lab verification.
Certificate status.
Finalized independent certificate documentation is pending for this catalog record. Measurement details remain withheld until the certificate is available.
- Sequence
- Not listed
- Model preview
- Unavailable
Molecular model preview is unavailable for this catalog record.
The chemistry.
N-acetyl-5-methoxytryptamine.
Storage: Store cool, dry, and protected from light per supplier COA.
Technical specifications.
- Product Name: melatonin
- Classification: Indoleamine small molecule
- Structural Description: N-acetyl-5-methoxytryptamine.
- CAS Number: 73-31-4
- Molecular Weight: 232.28 g/mol
- Molecular Formula: C13H16N2O2
- Physical Form: Powder or lyophilized solid per supplier specification
- Intended Use: In-vitro research use only - not for human consumption
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melatonin research FAQ.
What is melatonin used for in research?
melatonin is supplied for controlled in-vitro research workflows in the Sleep category. It is not labeled for human or veterinary use.
Is melatonin HPLC verified?
melatonin is listed with certificate-pending status until a finalized independent COA record is available.
Which melatonin sizes are available?
Current Nexus variants include 10mg.
Does melatonin include a COA?
The current Nexus record marks melatonin as certificate pending; finalized assay values are not shown until independent documentation is available.