Research Use Only — Not for Human Consumption. This compound is sold exclusively for in vitro laboratory research by qualified professionals.
TB-500
Thymosin Beta-4 Fragment
TB-500 corresponds to the Thr1–Ser43 fragment of the endogenous 43-amino acid protein Thymosin Beta-4 (Tβ4). It is recognized primarily for its actin-binding properties and its role in cellular migration. Research has explored its relevance in cardiovascular models, wound healing cascades, and inflammatory response modulation. For research use only — not for human consumption.
Third-Party Tested. Every Lot.
Every batch of TB-500 undergoes independent HPLC and mass spectrometry analysis through an accredited third-party laboratory before it is released for sale. No exceptions. No internal-only certificates.
RP-HPLC Analysis
Every lot measured by reverse-phase HPLC. TB-500 consistently achieves 99.5%+ purity across batches.
ESI Mass Spec
Electrospray ionization mass spectrometry confirms exact molecular weight and rules out structural isomers or impurities.
Lot-Specific CoA
Your Certificate of Analysis references your exact lot number with actual chromatogram data — not a generic template.
Theoretical Research Analysis
All research information below reflects published preclinical literature only. This product is not for human use, consumption, or clinical application of any kind.
TB-500 shares the biologically active LKKTETQ motif with the parent Thymosin Beta-4, central to its actin-binding and angiogenic properties. Published studies document effects on VEGF expression, endothelial tubulogenesis, and fibroblast motility.
Sequence Information
Amino acid sequence:
Thr-Lys-Pro-Asp-Met-Ala-Glu-Ile-Glu-Lys-Phe-Asp-Lys-Ser-Lys-Leu...Molecular Formula
C₂₁₂H₃₅₀N₅₆O₇₈S
Molecular Weight
4963.50 g/mol
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