Strengths and prices
| Strength | Price per vial | Availability | Batch | |
|---|---|---|---|---|
| 5 mg | $24.00 | In stock | — | |
| 10 mg | $42.00 | In stock | — |
Every vial carries its batch code and a QR that opens the certificate of analysis for that exact batch. No account is needed to read one.
What it is
Thymosin beta-4 is a naturally occurring peptide of 43 amino acids found in most cells, where it binds actin monomers. TB-500 is a trade name, used both for synthetic thymosin beta-4 and for a 7-amino-acid fragment of it; the mass on the certificate of analysis shows which a batch is.
Identity
| Type | Synthetic peptide |
|---|---|
| Thymosin beta-4, full length | 43 amino acids, N-terminal acetylated |
| Molecular formula | C212H350N56O78S (full length) |
| Molecular weight | 4963 g/mol (full length) |
| PubChem CID | 45382195 (full length) |
What the published research covers
Thymosin beta-4 has been studied in cell migration, in animal wound and cardiac models, and in clinical trials for dry eye and corneal conditions.
Regulatory status
Not approved by the FDA for any use. Supplied for laboratory research only.
Testing and documentation
Identity is confirmed by mass spectrometry and purity by HPLC. The certificate of analysis for the batch is reachable from the code on the vial.
How it ships
Ordering
Ordering needs an account. A retail account opens as soon as you request it and costs nothing. You pay by card at checkout, or by invoice before the order ships. A wholesale account is reviewed before it opens.
Research use only
This product is a research chemical sold solely for in-vitro laboratory research by qualified persons. It is not a drug, food, supplement or cosmetic, has not been evaluated by the FDA, and must not be administered to any person or animal. Read the full agreement