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peptide research material

Melatonin

Longevity Peptides
Melatonin

Purchase options

Melatonin purchase details

From $6.93/vial · In stock

Lowest published volume-tier equivalent. View pack prices and order tiers below.

Specifications1 SKUs

10mg*10vials

MELATONIN-10MG-10VIALS

≥99%

$128.96Tier 1 / 10 vials

MOQ: 1 10 vials

Order T1$200+$128.96
Order T2$2,000+$96.72
Order T3$5,000+$78.99
Order T4$10,000+$69.32

Worldwide shipping to most destinations. Contact us on WhatsApp for special destinations.

Orders are normally prepared for dispatch the next business day. Contact us on WhatsApp for special handling or timing requirements.

Ask on WhatsAppEmail purchase supportHow it works? View a Sample Verification Page

Melatonin is handled as a longevity peptides catalog material with sourcing review built around bioregulator identity, repeat-order continuity, and batch-document comparison. Procurement teams should confirm CAS 73-31-4, formula C13H16N2O2, 232.28 Da molecular weight, sku coverage includes 10mg*10vials, ≥99%, lead time, and the available COA/HPLC/MS/SDS packet before comparing suppliers or approving a quote.

Buyer fit

Who buys this, and why

Melatonin is listed for qualified B2B buyers reviewing neuropeptide, cognitive, or melanocortin-category sourcing. Procurement teams should compare neuropeptide or cognitive-research context, identity support, storage notes, and document readiness while keeping the page focused on research-material sourcing rather than personal-use, dosing, treatment, or outcome guidance.

Category: Longevity Peptides. Bioregulator, circadian, collagen, telomere, and healthy-aging research materials.

Specifications

Procurement-ready product data

CAS
73-31-4
Molecular formula
C13H16N2O2
Molecular weight
232.28 Da
Appearance
Lyophilized powder or supplied format listed on batch COA
Purity / identity
≥99%
Common vial sizes
10mg*10vials
Storage
Store according to the batch COA and product handling note.

Batch Quality Verification

See how PeptideSource verifies a lot before document review.

Sample COA format, lot-code conventions, and the current-batch matching workflow are summarized below. Sample values are clearly marked as demo records; live HPLC/MS and release files are matched by QA.

Sample verification card

PS-MELATONI-2606-041

Public demo page showing the PeptideSource COA format, QA status, and PDF access pattern.

Current batch request

Matched by SKU + lot ID

Live order documents are supplied after QA confirms the exact product, SKU, and available lot.

Example lot-code format

PS-MEL-2606-495

Format example only. Real batch IDs are assigned from production and release records.

QA review window

4-12 business hours

Typical document-matching window for qualified procurement requests, subject to current batch status.

Laboratory Planning Tool

Plan vial mass, volume, and inventory notes.

Open the calculator as a procurement planning aid for vial mass, diluent-volume records, and target concentration notes. It is not a human-use protocol, administration guide, or clinical recommendation.

Open laboratory calculator

Priority sourcing brief

Melatonin sourcing matrix for B2B procurement review

Melatonin sourcing is reviewed as a longevity peptides procurement record, not as personal-use guidance. Identity fields include CAS 73-31-4, formula C13H16N2O2, 232.28 Da molecular weight. Buyers can compare SKU sizes such as 10mg*10vials, ≥99%, document readiness, MOQ, lead time, and repeat-supply fit before requesting a quote.

Compare category

Quick sourcing answer

Category fit
Melatonin is best reviewed as neuropeptide, cognitive, or melanocortin-category sourcing, with buyer-side review focused on neuropeptide or cognitive-research context, identity support, storage notes, and document readiness.
Identity fields
Public page fields include 73-31-4, formula context C13H16N2O2, and molecular-weight context 232.2800 Da.
Document support
Qualified buyers can request COA, HPLC purity support, MS identity context, SDS, storage notes, and current batch information tied to the offered SKU.
Research-use scope
This record supports supplier comparison and research-material procurement review only; it does not provide personal-use instructions, dosing, treatment claims, or clinical recommendations.

Procurement checks

  • Confirm product identity, CAS or component context, and available public source anchors.
  • Compare SKU size, MOQ, lead time, order tier, and repeat-order planning before quote approval.
  • Request COA, HPLC, MS, SDS, storage notes, and batch context tied to the offered lot.
  • Keep the review focused on research-material sourcing, not human-use instructions.

Buyer comparison notes

Family-specific review
This row gives the page a category-specific semantic signal rather than a generic peptide-template footprint.
Identity review
Use these fields to orient product matching, then confirm the current batch document packet before quote approval.
Quality packet
The requested files should match the SKU, batch, and commercial offer being reviewed.

Sourcing matrix

ParameterProcurement valueReview note
Family-specific reviewneuropeptide or cognitive-research context, identity support, storage notes, and document readinessThis row gives the page a category-specific semantic signal rather than a generic peptide-template footprint.
Identity reviewMelatonin; CAS: 73-31-4; Formula: C13H16N2O2; Molecular weight: 232.2800 DaUse these fields to orient product matching, then confirm the current batch document packet before quote approval.
Quality packetCOA, HPLC, MS, SDS, storage notes, and batch context available for qualified procurement review.The requested files should match the SKU, batch, and commercial offer being reviewed.
Commercial fitSKU size, MOQ, tier price, lead time, destination requirements, and repeat-order expectations.This separates sample evaluation from distributor replenishment, OEM, or bulk procurement planning.

Public identity anchors

Cognitive & neuropeptide categoryCategory context for neuropeptide, cognitive, or melanocortin-category sourcing.PeptideSource quality workflowCOA/HPLC/MS and batch-document request process.
Sample COA verificationPublic sample verification card showing how batch data and document-control fields are presented.
Technical LibraryLong-form procurement explainers for B2B research-material sourcing teams.

Request checklist

  • Current SKU size and fill target
  • COA, HPLC, MS, and SDS document needs
  • MOQ, order tier, and repeat-order estimate
  • Storage, transport, and destination-market requirements

Useful next pages

Cognitive & neuropeptide categoryReview category-specific sourcing context and adjacent materials.Quality & COA supportReview COA/HPLC/MS and batch-document request workflow.
Sample COA verificationView the public sample verification format before requesting live batch files.
Research CenterCompare procurement guides, storage guidance, COA reading tips, and supplier checklists.

Quality documentation

COA, HPLC, and MS support for this product.

Batch document coverage is summarized below. Qualified buyer packets are matched by product name, SKU, purchase-list item, and confirmed lot during QA review.

COA

Batch-specific certificate available for qualified buyer review.

HPLC

Purity documentation available for every product.

MS

Molecular identity confirmation available on request.

SDS

Safety and handling documents available for procurement review.

Document packet

Document coverage for qualified buyer review

COA

Batch-specific certificate of analysis for buyer review.

HPLC chromatogram

Purity chromatogram available for every product request.

Mass-spec identity

Identity support packet can be matched to the requested SKU.

Residual solvent / counter-ion

Provided when available or required for procurement review.

SDS / MSDS

Safety and handling document available for operational review.

Stability or release support

Shared when relevant to the requested batch or OEM workflow.

Molecular & Structure

CAS
73-31-4
Molecular formula
C13H16N2O2
Molecular weight
232.28

Research Evidence & Regulatory Notes

PeptideSource keeps public identity references and supplier-side documents attached to Melatonin as sourcing support. Qualified buyers can request the current COA, HPLC chromatogram, MS identity support, SDS, storage guidance, and applicable batch context before quote approval.

Public Sources & References

PubChempubchem.ncbi.nlm.nih.govEurope PMCeuropepmc.org · 4 recordsDOIdoi.orgClinicalTrials.govclinicaltrials.gov · 3 recordsExogenous Melatonin in Intensive Care Unit ChronodisruptionClinicalTrials.govMelatonin Receptor Agonist and Peripheral Biological MarkersClinicalTrials.govMelatonin Treatment for Newborn Infants With Moderate to Severe Hypoxic Ischemic EncephalopathyClinicalTrials.govMelatonin-Mediated Modulation of Polyamines Enhances Drought Tolerance in Foxtail Millet (Setaria italica L.).Shi Q, Wang G, Zhang T, Zhao Y, Meng F, Feng K, Yang X, Zhao J, Yuan X, Ren J. · 2026 · Europe PMCPreventive Antiarrhythmic Properties of Melatonin in Experimental Diabetic Cardiomyopathy in Rats.Ovechkin AO, Gonotkov MA, Abramochkina AS, Sedyakina EN, Durkina AV, Bernikova OG, Velegzhaninov IO, Azarov JE. · 2026 · Europe PMCMelatonin-Mediated Alleviation of Plant Response to Heavy Metals: From Integrative Mechanisms to Potential Applications.Cheng X, Shi H. · 2026 · Europe PMCConsumer Opinions, Lot-to-Lot Variability, and Pharmacokinetics of Transdermal Melatonin Products: A Randomized, Crossover Clinical TrialBonilla K, Sherman VM, Arbaiza AS, Dougherty M, Olson LE. · 2026 · Europe PMCMelatonin prescribing characteristics and delirium outcomes: A health system database-based study.Lin M, Smith PJ, Zeng X, Xia K, Ye S, Nakamura ZM. · 2026 · Europe PMC

Buyer questions

Common sourcing questions

What makes Melatonin different from a generic peptide listing?

Melatonin is grouped for neuropeptide, cognitive, or melanocortin-category sourcing, so the useful procurement review includes neuropeptide or cognitive-research context, identity support, storage notes, and document readiness in addition to identity fields, SKU size, MOQ, and quote terms.

Which quality documents can be requested for Melatonin?

Qualified buyers can request COA, HPLC purity support, MS identity context, SDS, storage notes, and batch-specific information when available for the quoted SKU.

How should buyers compare Melatonin before approving a quote?

Compare identity fields, category-specific review points, purity basis, SKU size, MOQ, lead time, tier pricing, storage expectations, and document packet readiness.

Does this page provide use instructions for Melatonin?

No. The page is written for qualified B2B research-material sourcing, supplier evaluation, and document review only.

Can PeptideSource support bulk or repeat-order review for Melatonin?

Yes. Buyers can share target SKU sizes, quantity expectations, document requirements, destination needs, and repeat-order plans for B2B quote review.

Which identity fields define Melatonin for PeptideSource sourcing review?

Melatonin is reviewed against CAS 73-31-4, formula C13H16N2O2, 232.28 Da. The next check is the current batch packet, including COA, HPLC chromatogram, MS or identity support, and any label or storage notes needed for a procurement file.

How should Melatonin searches around peptide catalog searches data verify be used for sourcing?

peptide catalog searches data verify is treated as search context, not as a protocol or outcome claim. PeptideSource people usually check CAS 73-31-4, formula C13H16N2O2, 232.28 Da, SKU coverage such as 10mg*10vials, purity basis, COA/HPLC/MS support, storage notes, and batch-document availability before comparing suppliers.

How does PeptideSource handle COA, HPLC, and MS requests for Melatonin?

Send the product name, SKU, or intended purchase-list line and the support team will match available COA, HPLC chromatogram, MS identity support, SDS, storage notes, and related batch context. Documents are shared for qualified buyer, sourcing, and procurement review.

How should Melatonin SKU size and fill options be scoped?

Melatonin has catalog coverage that includes 10mg*10vials. Buyers should compare the full SKU ladder, minimum order, sales unit, and order-wide tier pricing before deciding whether catalog supply, bulk replenishment, or custom fill review is needed.

Why is Melatonin compared with other longevity or bioregulator materials?

These comparisons usually involve category role, vial size, storage, sequence or identity data, and document availability. PeptideSource keeps the review tied to batch documents and sourcing fit, not anti-aging outcome claims.

What storage or stability evidence should accompany Melatonin?

Melatonin storage should be checked against the batch COA, product label, and logistics notes. When stability or handling details matter for a buyer's workflow, PeptideSource can share available support documents by request.

Research Center

Procurement comparison and document guides

View all guides
Storage reviewPeptide Stability and Storage Guidelines for Research ProcurementCOA reviewHow to Read a Peptide COA for B2B Research Sourcing

Technical Library

Long-form quality and sourcing context

View library
Quality documentationPeptide Purity Grades Explained: HPLC vs. Prep-HPLCSupplier auditFinding a GMP Peptide Supplier: Checklist for B2B Buyers

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