TB-500 5 mg Research Peptide
$71.99 USD
TB-500 5 mg is a synthetic peptide fragment of thymosin beta-4 supplied as a lyophilized solid for in-vitro laboratory research. Corresponds to the actin-binding region of thymosin beta-4 (Ac-LKKTETQ motif). For laboratory research use only. Not for human or animal use.
Research Use Only - Not for Human or Animal Consumption
Orders of $350 CAD or more get a free peptide vial case, and ship free to Canada and the USA.
Regional payment methods and final availability are confirmed securely at checkout.
For laboratory research use only. Not for human or animal use.
Lab results
Canada Peptide Testing verifiedTB-500 5 mg
Tested batch L25-01 · Lot CGX-2025 · Report CPT-TB500-72578C
Product photos show our label artwork. The batch and lot tested are listed here and appear on the vial in the laboratory’s photo on the certificate.
- HPLC purity
- 99.26%
- Measured content
- 4.98 mg
- Tested
- Sep 28, 2026
- Reported
- Oct 2, 2026
View report Verify on canadapeptidetesting.com
Testing history (1 earlier test)
- Purity by HPLC, see the batch COA
- Prices shown in the currency of your location
- Account required at checkout, with research-use confirmation
About this compound
Compound profile
| Compound | TB-500 |
|---|---|
| Class | synthetic peptide fragment of thymosin beta-4 |
| Identity | Corresponds to the actin-binding region of thymosin beta-4 (Ac-LKKTETQ motif). |
| Form | Lyophilized solid, sealed vial |
| Quantity | 5 mg |
| Purity | By HPLC, see the batch COA |
| Storage | Store sealed as stated on the label, protected from light and moisture |
Research applications
Used in G-actin sequestration assays and cell-migration assays.
Documentation
The third-party Certificate of Analysis for this compound is published in the COA library.
For laboratory research use only. Not for human or animal use.
TB-500 reference
- Other names
- Thymosin beta-4 fragment (Ac-LKKTETQ)
- Sequence
- Ac-Leu-Lys-Lys-Thr-Glu-Thr-Gln (Ac-LKKTETQ)
Origin
A synthetic peptide matching the actin-binding region of thymosin beta-4, a 43-residue protein found in most cell types.
Studied in the research literature
- G-actin binding and actin polymerization
- Cell migration assays
- Endothelial cell research
Related compounds
Further reading: thymosin alpha-1 vs thymosin beta-4, what the BPC-157 + TB-500 blend contains and what the GHK-Cu + BPC-157 + TB-500 blend contains.
Identifiers are reference data for the compound. Lot-specific identity and purity results are on the batch Certificate of Analysis. For research use only.
Before you order
What is the structure of TB-500?
TB-500: Ac-Leu-Lys-Lys-Thr-Glu-Thr-Gln (Ac-LKKTETQ).
Is there a Certificate of Analysis for this compound?
Third-party reports are published in our COA library, searchable by compound or lot number. If a compound has no report listed yet, the COA is available on request.
How fast do orders ship?
Orders are typically dispatched within one business day of order confirmation, and tracking is emailed as soon as the order ships.
How can I pay?
In Canada, Interac e-Transfer (5% off your order). In the US, Zelle or ACH bank transfer. Debit or credit card (charged in USD) and crypto in every country.
Who are these products for?
Cellugenix compounds are sold for laboratory research use only. They are not for human or animal use.
