RESEARCH USE ONLY: These products are strictly for laboratory research purposes and not for human consumption.
TB-500
Thymosin Beta-4 Synthetic Analogue
Peptide Profile
SDKPDMAEIEKFDKSKLKKTETQEKNPLPSKETIEQEKQAGES
4963 g/mol
For maximum stability, store the lyophilized powder at -20°C (or -80°C for long-term preservation) protected from light and moisture. Once reconstituted with bacteriostatic water or sterile saline, the solution should be kept refrigerated at 2°C to 8°C and utilized within 14–21 days. Avoid repeated freeze-thaw cycles and keep vials tightly sealed until use to maintain compound integrity.
Relevant Literature
Recent in-vitro studies:
Selected in-vitro / cell-based PubMed literature relevant to this compound:
- Reference 1
S Esposito et al. (2012). Synthesis and characterization of the N-terminal acetylated 17-23 fragment of thymosin beta 4 identified in TB-500, a product suspected to possess doping potential. Drug Test Anal. PMID: 22962027.
View on PubMed - Reference 2
E N M Ho et al. (2012). Doping control analysis of TB-500, a synthetic version of an active region of thymosin β4, in equine urine and plasma. J Chromatogr A. PMID: 23084823.
View on PubMed - Reference 3
K A Rahaman et al. (2024). Simultaneous quantification of TB-500 and its metabolites and their comparison of biological activity in fibroblasts. J Chromatogr B Analyt Technol Biomed Life Sci. PMID: 38382158.
View on PubMed

