Single peptide
BPC-157
2 mg · 5 mg · 10 mg
from$29
Single peptideBPC-157 & thymosin peptidesPre-order
TB-4 Fragment 17-23
$38$3.80/mg
- Form: lyophilized (freeze-dried) powder, sealed vial
- Certificate of analysis: batch 026-F83-TSX, HPLC purity 99.36% — view PDF
- Shipping: pre-orders ship after the batch certificate of analysis is posted from the USA · free over $150
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For laboratory research use only. Not for human or veterinary use.
Compound identity
| Compound | Formula | Mol. weight | CAS | PubChem |
|---|---|---|---|---|
| TB-4 Fragment 17-23 | confirmed by batch report | — | — | — |
Reference identity data from PubChem where listed. Each batch's purity data is on its certificate of analysis on the lab results page.
Selected published research
Peer-reviewed papers indexed in PubMed on TB-4 Fragment 17-23:
Where this research was done: 
Belgium (1), 
France (1)
- 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, 2012. PubMed 22962027
- Equine Doping Controls of Thymosin β 4: A Population Study and Strategy for Misuse Detection. Drug Test Anal, 2025. PubMed 39314109
Also searched as: Frag 17-23, Ac-LKKTETQ.
Storage
Store sealed vials cold, dry and away from light. Lyophilized peptides are typically kept at −20 °C for long-term storage.
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