TB‑500 (Thymosin β4 fragment, acetate)
About this compound
TB-500 (CAS 885340-08-9) is the synthetic acetylated heptapeptide Ac-LKKTETQ, molecular weight 889.0 g/mol, corresponding to the actin-binding region of thymosin β4. It is a short fragment, not the full 43-residue thymosin β4 protein.
Specification
| Catalog ID | TB-500 |
| CAS number | 885340-08-9 |
| Sequence | Ac-LKKTETQ |
| Molecular weight | 889.0 g/mol |
| Purity specification | ≥98% (HPLC) |
| Form | Lyophilised powder |
| Storage | −20 °C, desiccated, protected from light |
| Regulatory status | For laboratory research use only. Not for human or veterinary use. |
CAS number and molecular weight refer to the free peptide unless stated otherwise.
Storage
Ship at ambient temperature. Store the lyophilised powder as stated in the specification table, sealed and protected from light. Keep the batch test report with the vial.
Documentation
Test reports (purity by HPLC, identity by mass spectrometry) are published in the report library. Independent reports carry the laboratory's verification key.
Kit contents
- 10 sealed vials
- Lyophilised powder / sterile solution as specified
- Batch test report per kit — see Documentation
Supplied as a laboratory reagent to purchasers who attest, at checkout, that they are 21 or older and will not use it in humans or animals, in food, cosmetics or supplements, or resell it for those purposes.