Chemical reference and research-literature summary for TB-500 — for laboratory use only.
TB-500 is a synthetic heptapeptide, sold here as a 5mg vial of lyophilized powder. It corresponds to the N-acetylated active fragment (residues 17–23) of the naturally occurring protein thymosin beta-4, and is studied in the preclinical literature on cell migration and tissue repair.
| Full name | N-acetylated fragment (residues 17–23) of thymosin beta-4 |
| Category | Synthetic peptide fragment |
| CAS number | 885340-08-9 |
| Molecular formula | C38H68N10O14 |
| Molar mass | 889.02 g/mol |
| Sequence | Ac-Leu-Lys-Lys-Thr-Glu-Thr-Gln (Ac-LKKTETQ) |
Source: cross-referenced supplier and literature chemical data sheets citing CAS 885340-08-9.
General topic areas this compound appears in published preclinical/animal research — not a statement of confirmed outcomes, and not applicable to human use.
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