Lot documentation is pending
We show no result for this exact configuration while its lot-specific report is unavailable.
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Purity:99.1% by HPLC
Package image for the selected configuration.
TB-500
A TB-500 research peptide in a 10 mg configuration, with literature boundaries stated on the page.
Available to verified research accountsExact-SKU documentationLaboratory research use only
The U.S. Food and Drug Administration has not evaluated statements on this site. Stack Research products are not intended to diagnose, treat, cure, or prevent any disease or medical condition.
Lab results for the selected configuration
The published laboratory report covers this exact lot.
- Exact SKU
- STK-BT10
- Lot
- 1026
- Laboratory
- Accumark Labs
- Report ID
- L5QA-F2S6
- Sample received
- 2026-02-24
- Published
- July 29, 2026
IdentityConforms
HPLC purity99.1% by HPLC
Measured content9.66 mg measured
Bacterial endotoxin
Sterility
Read the complete laboratory report
Open full report
Open the PDF to read every page in the lot-specific report.
Documentation is pending for this exact SKU
We show no purity, identity, content, or contaminant result until a lot-specific report is available.
About TB-500
The reference search includes thymosin beta 4 and beta-thymosin biology because those terms appear in related research discussions. The selected reviews do not establish that the Stack Research TB-500 product is identical to the materials examined in those publications.
Stack Research supplies this product only for lawful in-vitro laboratory or analytical research. The independent literature linked on this page does not test this vial, and it provides no instructions for human or veterinary use.
Configuration and documentation
The configuration selected above controls the exact SKU, package image, and lot report shown on this page.
Research-use boundary
This page does not provide dosing, administration, treatment, diagnostic, or human-outcome guidance.
Product specifications
- Available configurations
- 10 mg
- Composition
- TB-500 research peptide
- Documentation
- Lot-specific COA published for this exact SKU.
Research & literature
The literature search includes the related thymosin beta 4 term. Only the lot report above evaluates the Stack Research product.
A paper's findings do not establish the identity, purity, safety, or intended use of this product.
Search PubMed for TB-500 (opens in a new tab)- Thymosin β4: a multi-functional regenerative peptide. Basic properties and clinical applications. Goldstein AL et al. · Expert Opinion on Biological Therapy · 2012 PMID: 22074294 (opens in a new tab)
- β-Thymosins. Hannappel E · Annals of the New York Academy of Sciences · 2007 PMID: 17468232 (opens in a new tab)
Mechanism & research background
The reference search includes thymosin beta 4 and beta-thymosin biology because those terms appear in related research discussions. The selected reviews do not establish that their study materials are identical to this TB-500 product.
The literature search includes the related thymosin beta 4 term. Only the lot report above evaluates the Stack Research product.
Researchers should read each linked paper for its model, methods, and limits. The cited literature does not supply instructions for this product.
Frequently asked questions
Why does the search include thymosin beta 4?
That term appears in research discussions related to TB-500. The broader search is disclosed so researchers can inspect the literature without treating it as proof of product equivalence.
Do thymosin beta 4 papers identify this TB-500 vial?
No. They do not establish that their study materials and the Stack Research product are chemically or analytically identical.
Is a lot report available for the selected configuration?
A current lot report covers exact SKU STK-BT10, lot 1026, from Accumark Labs.
Does the selected configuration control the report shown?
Yes. Choosing a configuration updates every SKU-specific field and its linked lot report as one set.
Do the cited papers verify this vial?
No. The papers describe independent research. The lab-results section above contains the lot-specific evidence for this Stack Research product.
Do the studies cover the full TB-500 formulation?
The literature search includes the related thymosin beta 4 term. Only the lot report above evaluates the Stack Research product.
Can this page guide human or veterinary use?
No. Stack Research supplies this product for laboratory research only. This page provides no dosing, administration, treatment, or diagnostic guidance.
Can researchers open the original sources?
Yes. Each citation opens its PubMed record. The search link above opens the complete product-specific query.
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