Made in the USA · Third-Party Tested

Tissue Repair Compound

TB-500 (Thymosin Beta-4)

Thymosin Beta-4 Tβ4 TB4

TB-500 is a synthetic version of Thymosin Beta-4, an actin-regulating peptide naturally present in most human and animal tissues. Research in animals has demonstrated roles in tissue repair, anti-inflammatory response, and angiogenesis. Sold strictly for research use.

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Quantity

$87.99

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1 Bottle

Certificate of Analysis

Full-panel third-party testing on every batch. 8× independent QC checks before any vial ships.

99.85%

Purity (HPLC-UV) · Identity Confirmed

Full panel passed

TB-500 (Thymosin Beta-4) · 10mg

Lot 261807 · Freedom Diagnostics
Reported Jul 24, 2026

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8× Full QC Panel

Purity (HPLC) · Net Peptide Content · Identity (HPLC) · Fentanyl Screen · HPLC Conformity · Heavy Metals (ICP-MS) · Sterility (PCR) · Endotoxin (USP <85>)

All tests · Every batch

Compound Information

Technical specifications

What Is TB-500 (Thymosin Beta-4)?

Molecular Profile

Type	Actin-sequestering peptide
CAS Number	77591-33-4
Molecular Weight	4963.50 g/mol
Sequence	Ac-Ser-Asp-Lys-Pro-Asp-Met-Ala-Glu-Ile-Glu-Lys-Phe-Asp-Lys-Ser-Lys-Leu-Lys-Lys-Thr-Glu-Thr-Gln-Glu-Lys-Asn-Pro-Leu-Pro-Ser-Lys-Glu-Thr-Ile-Glu-Gln-Glu-Lys-Gln-Ala-Gly-Glu-Ser
Formula	C₂₁₂H₃₅₀N₅₆O₇₈S
Amino Acids	44

Stability Information

Storage Requirements

Protect from light

Store away from moisture

Reconstitute with bacteriostatic water

Lyophilized (powder) · −20°C · up to 2 years

Reconstituted · 2–8°C · up to 7 days

Sources & References

Peer-reviewed research

Annals of the New York Academy of Sciences

Thymosin beta-4 and cardiac repair

2010 · PMID: 20840162

Smart N, Riley PR

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FASEB Journal

Thymosin beta-4 promotes angiogenesis, neurogenesis, and collagen deposition after stroke

2012 · PMID: 22038048

Morris DC et al.

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Journal of Molecular Medicine

Thymosin beta-4 treatment after myocardial infarction does not prevent ventricular dysfunction despite reducing inflammation

2014 · PMID: 24249542

Sopko N et al.

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For Research Use Only

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.