Description
TB-500 is a synthetic peptide based on the active region of Thymosin Beta-4, a naturally occurring actin-binding protein involved in cell migration and tissue repair. It is widely used in regeneration and recovery research.
Specifications
- Sequence: Synthetic fragment of Thymosin Beta-4
- Molecular weight: ~4963 g/mol (thymosin Beta-4)
- CAS: 77591-33-4 (thymosin Beta-4 acetate)
- Purity: ≥99% (HPLC)
- Form: Lyophilized powder
- Appearance: White to off-white solid
Third-party tested — Tested by Janoshik; see “Additional Information” for the COA.
⚠️ For Laboratory Research Use Only (RUO). This product is intended exclusively for in-vitro laboratory research and is not for human or veterinary use, consumption, diagnostic, or therapeutic purposes. It is not a drug, food, cosmetic, or dietary supplement, and is not intended to diagnose, treat, cure, or prevent any disease. Sale is restricted to qualified research professionals and laboratory institutions. By purchasing, the buyer affirms they are appropriately qualified and will use this product solely for legitimate research.
Areas of Research
- Actin Regulation — studied as an actin-sequestering peptide influencing cytoskeletal dynamics and cell migration.
- Muscle & Tendon Repair — investigated for recovery of soft tissue, tendon, and ligament injury models.
- Angiogenesis — examined for promotion of new blood-vessel formation in wound models.
- Anti-Inflammatory Activity — studied for modulation of inflammation during tissue repair.
- Cardiac Research — investigated for cardioprotective and tissue-remodeling effects in preclinical models.
Product Care & Storage
- All products are shipped lyophilized, which keeps them stable for shipping for up to 3–4 months. Products must be reconstituted to a liquid by mixing with bacteriostatic water for research and testing.
- Lyophilized / powder form — Store in a cool, dry place away from light; stable at room temperature for several weeks. For long-term storage (months to years), freezing is optimal.
- Reconstituted form — Refrigerate under 39°F; remains stable for up to 30 days.
- Usage — We are unable to provide any dosing instructions; however, all products should be considered pharmaceutical grade.




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