TB-500 is a synthetic analogue of Thymosin Beta-4 (Tβ4), a naturally occurring peptide found in most tissues and cell types. One of the most extensively studied peptides in laboratory research. Available as lyophilised powder.
| Vial Size | 10mg |
| Purity | ≥99% (HPLC verified) |
| Molecular Weight | 4963.5 g/mol |
| CAS Number | 77591-33-4 |
| Appearance | White lyophilised powder |
| Storage | -20°C (long-term) / 4°C (short-term) |
| Certification | GMP Certified |
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TB-500 is a synthetic analogue of Thymosin Beta-4 (Tβ4), a naturally occurring 43 amino acid peptide found in most tissues and cell types throughout the body. The TB-500 fragment corresponds to the actin-binding domain of the full Tβ4 sequence.
It has been the subject of extensive preclinical laboratory research across a range of biological systems and has demonstrated notable stability in various research models.
Papa Peptides provides TB-500 as a research-grade lyophilised powder, GMP certified and independently tested per batch.
| Peptide Name | TB-500 (Thymosin Beta-4 fragment) |
| Purity | ≥99% by HPLC |
| Molecular Weight | 4963.5 g/mol |
| CAS Number | 77591-33-4 |
| Appearance | White lyophilised powder |
| Vial Size | 10mg sterile vial |
| Manufacturing | GMP Certified via SPPS |
| Testing | Independent third-party COA per batch |
Lyophilised: Store at -20°C. Stable for 24+ months. Protect from moisture and light.
After reconstitution: Store at 4°C. Use within 2–4 weeks. Do not freeze reconstituted solution.
Use bacteriostatic water. Add slowly down the side of the vial. Swirl gently — do not shake.
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