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The N-acetylated heptapeptide Ac-LKKTETQ (CAS 885340-08-9), corresponding to residues 17-23 of Thymosin beta-4 and encompassing the actin-binding motif. Identified as the minimum sequence responsible for the parent peptide's tissue-repair and angiogenic activity; offers a lower-molecular-weight alternative for mechanistic research. Not evaluated in clinical trials; not FDA-approved.
For research purposes only. Not medical advice.
Step One currently lists TB-500 Frag 17-23 at $4.00/mg, the lowest indexed price across 2 tracked research peptide vendors.
TB-500 Frag 17-23 ranges from $4.00/mg to $4.40/mg across 2 listings from 2 research peptide vendors, normalized to USD per milligram and refreshed daily.
2 research peptide vendors currently list TB-500 Frag 17-23 on PeptideScouter. We track 2 active listings across size and kit variants.
TB-500 Frag 17-23's CAS Registry Number is 885340-08-9. It is also sold as TB-500 Frag 17-23.
