Bestseller≥ 99.4%
HPLC ≥ 99.1%MS verifiedEndotoxin screened
Research reference
TB-500
Thymosin Beta-4 Fragment (17–23)
TB-500 is a synthetic fragment of the naturally occurring Thymosin Beta-4 protein, widely studied in cell-migration and cytoskeletal-repair models. Produced under cGMP conditions and identity-verified by mass spectrometry on every batch.
- Identity confirmed by high-resolution mass spec
- Purity ≥ 99.1% by reverse-phase HPLC
- Endotoxin screened on every batch
- Matched pairing standard for BPC-157 panels
$461
142 vials of 5 mg in current lot · ships in 24 h cold-chain
| Format | Lyophilized powder · 3 mL amber vial |
|---|---|
| Net content | 5 mg |
| CAS | 77591-33-4 |
| Molar mass | 4963.4 g/mol |
| Purity (HPLC) | ≥ 99.1% |
| Storage | Store at –20 °C. Reconstituted solution: refrigerate, use within 30 days. |
From the lab
Research notes
Background reading on the analysis behind TB-500’s certificate.
Reference
BPC-157 and TB-500: The Molecular Synergy of Angiogenesis and Actin Upregulation
A technical comparison of BPC-157 and TB-500 in tissue regeneration models. Explore angiogenic signaling, actin regulation, and reconstitution guidelines.
HandlingStorage, reconstitution and cold chain: keeping peptides stable
Why lyophilized peptides are stored frozen, what actually degrades them, how to handle freeze–thaw cycles, and what to look for when a parcel arrives.
Pairs well with
Related references
Limited≥ 99.3%
Recovery & Repair
Repair Stack Blend
10 mg + 5 mg
The paired repair-research kit, one lot, one COA
⚠ Only 37 left in this lot
$112 / vial