TB-500 5mg
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Learn more about TB-500 →Specifications
- Compound
- TB-500
- Vial Size
- 5mg lyophilized
- Molecular Weight
- 4,963.44 Da
- Sequence
- 17-residue peptide
- CAS Number
- 77591-33-4
- Purity (HPLC)
- ≥ 99%
- Storage
- −20 °C
Handling & reconstitution
Store lyophilized vials at −20 °C. Reconstitute with bacteriostatic water (BAC) at the dilution appropriate to your research protocol. Reconstituted solution stable at 2–8 °C for ~28 days. For in-vitro research use only.
Certificate of Analysis
Every batch is independently tested for HPLC purity, mass-spec verification, and endotoxin. Batch-specific COAs are published on the website — browse the full archive in the COAs →
How it works
Mechanism of action.
A short breakdown of the receptor targets, signaling steps, and cellular effects reported in the peer-reviewed research literature.
What it is
A 43-amino-acid actin-sequestering peptide (Thymosin β-4). Published lab assays describe binding to G-actin monomers to regulate cytoskeleton dynamics.
Where it binds
In peer-reviewed studies, the peptide drives actin polymerization / depolymerization cycles that support cell migration and angiogenic signaling.
What research reports
In tissue-model research, investigators have observed enhanced endothelial-cell migration, angiogenesis markers, and myocardial-repair pathways.
Studied in
Peer-reviewed studies have used the peptide in cell-migration, angiogenesis, and tissue-repair research.
Common questions
Frequently asked.
How is the compound shipped?
Orders ship via USPS in plain outer packaging (no product names visible). Most orders process within 1–3 business days after payment clears.
How should the lyophilized vial be stored?
Store lyophilized vials at −20 °C until reconstitution. Once reconstituted with bacteriostatic water, solution is stable at 2–8 °C for approximately 28 days. Protect from repeated freeze-thaw cycles.
Where can I verify the batch COA?
Every batch is HPLC-verified and mass-spec confirmed. Batch-specific Certificates of Analysis are published directly on our website — browse the full archive in the COAs, or search by the batch number printed on your vial label.
Do you offer returns or refunds?
Because our products are research chemicals, all sales are final. The single exception is damage in transit — if a vial arrives visibly damaged we will ship a replacement at no additional cost. Contact info@aminovitaresearch.com within 7 days of delivery with photographs and your order number.
Who is qualified to purchase this compound?
These compounds are sold strictly for in-vitro laboratory research by qualified researchers. Products are not pharmaceuticals, dietary supplements, or medical devices, and have not been evaluated for human or veterinary use. Every purchase requires a research-use affirmation at checkout.
Researcher feedback
Reviews.
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