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TB-500 Fragment (17-23): molecular data, studies & sources

The selected analytical study describes an acetylated thymosin beta-4 active-region fragment under the name TB-500. It concerns detection in equine samples, not a human efficacy trial. A peptide fragment and full-length thymosin beta-4 are distinct identities.

Overview sources: PMID 23084823

Compiled by PeptideTech Editors · Sources checked · Selected bibliography, not a systematic review

Molecular formula, weight & structure

Molecular record not yet resolved

A sufficiently specific molecular record was not resolved for this name. Formula, molecular weight and structure are withheld until the exact sequence, salt or preparation can be verified.

MF: not assigned · MW: not assigned · Structure: not assigned

Human and clinical studies

Selected human-study records are shown with their indexed or reviewed study type. Check the original article for the intervention, formulation and controls; the molecule can also be a comparator or measured variable.

No matching human study was retained in this selected bibliography. This is a documented evidence gap in our selection, not proof that no study exists.

    Preclinical research, reviews & other publications

    Animal studies, laboratory experiments, reviews and other indexed papers answer different questions. A review is secondary evidence; a case report does not estimate how often an outcome occurs.

    1. Preclinical / laboratory research

      Doping control analysis of TB-500, a synthetic version of an active region of thymosin β₄, in equine urine and plasma by liquid chromatography-mass spectrometry.

      Ho EN, Kwok WH, Lau MY et al. · Journal of chromatography. A · 2012

      Analytical detection of an acetylated thymosin beta-4 fragment in horse urine and plasma. This is not a human treatment trial.

      PMID 23084823 · DOI: 10.1016/j.chroma.2012.09.043

    TB-500 Fragment (17-23) supplier sources

    Scientific sources describe molecules and experiments. The commercial links below identify recorded supplier packages. A publication or chemical database entry does not verify the seller, purity, sterility or contents of a lot. Some links are affiliate links; see our disclosure.

    Compare all TB-500 Fragment (17-23) sizes, forms and supplier prices →

    SupplierRecorded packagesExample source listing
    American PeptidesUSD10mg Vial1 recorded offers10mg Vial · $100.00Checked Sep 21, 2026Supplier listing
    Amino USAUSD10mg Vial1 recorded offers10mg Vial · $36.00Checked Sep 16, 2026Supplier listing

    Reference sources & further reading

      The citations above link directly to publication records. Encyclopedia links are background reading and are not used to establish clinical effectiveness.

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