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Cellular Peptide

TB-500

A 43-amino acid synthetic fragment of thymosin beta-4 that regulates actin polymerization and promotes cell migration in preclinical research. Premium Research Peptide.

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$39.99
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Certificate of Analysis

Third Party Tested by Freedom Diagnostics

99.30%

PURITY

Variant:

TB-500 10mg

Lot #:

T0101

Labeled:

10mg

Actual:

10.88mg

Tested:

Feb 4, 2026

Compound Information

Technical specifications

MOLECULAR PROFILE

What Is TB-500?

Type:

Endogenous peptide/synthetic analog

CAS Number:

77591-33-4

Molecular Weight:

4,963 Da

Acids:

43

Active Region:

Ac-SDKP (N-terminal)

Key Sequence:

17LKKTET22 (actin binding)

STORAGE REQUIREMENTS

Stability Information

Lyophilized (powder)

-20°C · stable long-term

Reconstituted

2-8°C · use within 14-30 days

Avoid

Repeated freeze-thaw cycles

Sources & References

Peer-reviewed research

EXPERT OPINION ON BIOLOGICAL THERAPY

Thymosin β4: multi-functional regenerative peptide. Basic properties and clinical applications

2012 · DOI: 10.1517/14712… · PMID: 22074294
Goldstein AL, Hannappel E, Sosne G…

ANNALS OF THE NEW YORK ACADEMY OF SCIENCES

A randomized, placebo-controlled, single and multiple dose study of intravenous thymosin beta4 in...

2010 · DOI: 10.1111/j.1749… · PMID: 20536472
Ruff D, Crockford D, Girardi G, Zhang Y

JOURNAL OF THE NEUROLOGICAL SCIENCES

A Dose Response Study of Thymosin Beta4 for the Treatment of Acute Stroke

2014 · DOI: 10.1016/j.jns… · PMID: 25060418
Morris DC, Cui Y, Cheung WL, Lu M…

JOURNAL OF INVESTIGATIVE DERMATOLOGY

Thymosin beta4 accelerates wound healing

1999 · DOI: 10.1046/j.152… · PMID: 10469335
Malinda KM, Sidhu GS, Mani H…

INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES (PMC)

Progress on the Function and Application of Thymosin β4

2021 · DOI: 10.3390/ijms222413136
Xing Y, et al.

NATURE

Thymosin beta4 activates integrin-linked kinase and promotes cardiac cell migration, survival and cardiac...

2004 · DOI: 10.1038/nat… · PMID: 15565145
Bock-Marquette I, Saxena A, White M…

CLINICAL OPHTHALMOLOGY

Thymosin beta 4 ophthalmic solution for dry eye: a randomized, placebo-controlled, Phase II clinical trial

2015 · DOI: 10.2147/OP… · PMID: 26056426
Sosne G, Ousler GW

NEUROSCIENCE

Thymosin beta4 improves functional neurological outcome in a rat model of embolic stroke

2010 · DOI: 10.1016/j.neu… · PMID: 20627713
Morris DC, Chopp M, Zhang L, Lu M…

JOURNAL OF NEUROSURGERY

Treatment of traumatic brain injury with thymosin beta 4 in rats

2010 · DOI: 10.3171/2010… · PMID: 20486893
Xiong Y, Mahmood A, Meng Y, Zhang…

NATURE

Thymosin beta4 induces adult epicardial progenitor mobilization and neovascularization

2007 · DOI: 10.1038/nat… · PMID: 17108969
Smart N, Risebro CA, Melville AA…

Not for human consumption. This product is sold exclusively for research and educational purposes. It is not intended to diagnose, treat, cure, or prevent any disease.

All clinical trial data and research findings presented on this page are sourced from peer-reviewed journals and official publications. They are provided for educational reference only and should not be interpreted as medical advice or product claims.

By purchasing this product, you confirm that you are a qualified researcher and will use it in accordance with all applicable laws and regulations.

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