TB-500 is a synthetic version of Thymosin Beta-4, a 43-amino acid peptide naturally produced by the thymus gland. CAS number 77591-33-4. It has been studied for its role in cell migration, blood vessel formation, and tissue repair processes. Sold for research use only.

What purity is your TB-500?

Our TB-500 is independently tested by Janoshik Analytical (ISO 17025 accredited) at 99%+ purity via HPLC. The Certificate of Analysis is published on the product page.

TB-500 5mg research peptide vial - Chameleon Peptides

Tissue Research

Sale!

TB-500

Synthetic Thymosin β4 Fragment

Price range: $44.00 through $63.20

-20%

Strength

5mg
10mg

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Brief Description

TB-500 is a synthetic version of thymosin β4, specifically the active region consisting of amino acids 1–4. This tetrapeptide regulates actin polymerization and has been studied for its role in cellular migration, angiogenesis, and tissue remodeling processes in experimental models.

Batch-Specific Testing

Batch TB500-B001 · 98.48% HPLC

Every batch independently tested by Janoshik Analytical — ISO/IEC 17025 accredited. HPLC purity analysis + mass spectrometry identity confirmation. View Certificate of Analysis →

Compound Specifications

CAS
77591-33-4

MW
889.0 Da

Purity
98.48%

Storage & Handling

Lyophilized: Stable at room temperature; freezer (−20°C) recommended for long-term storage
Reconstituted: 2–8°C, use within 30 days
Solvent: Bacteriostatic water

For research use only — not for human consumption

Research & Quality Resources

Published Research

Deeper scientific background, published literature, and research context for TB-500 are available on the dedicated research page.
Read the TB-500 Research Page →

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