$69.00
TB-500 is the name commonly used across peptide vendors for a synthetic version of thymosin beta-4, a protein found naturally in most human and animal cell types. Vendors typically list it under thymosin beta-4’s own molecular identifiers, while research interest centers on the short actin-binding segment within it, studied in cell-migration and blood-vessel-formation experiments.
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RESEARCH USE ONLY
These compounds are NOT intended for human consumption, clinical use, or veterinary applications. We are not affiliated with any pharmaceutical companies or their commercial medications. By placing an order, you certify these materials will be used exclusively for in vitro testing and laboratory experimentation only. Bodily introduction of any kind into humans or animals is strictly forbidden by law. This product should only be handled by licensed, qualified professionals. This product is not a drug, food, or cosmetic and may not be misbranded, misused or mislabeled as a drug, food or cosmetic.
This product is supplied as a lyophilized powder and must be reconstituted with bacteriostatic (BAC) water, which will be provided with the order, for research use only.
Thymosin beta-4 was isolated from thymus tissue by Allan Goldstein’s laboratory in the 1960s. Researchers later identified a seven-residue segment within it responsible for its actin-binding activity, which is often synthesized and studied on its own. The name TB-500 is used commercially for both the full protein and, less commonly, that isolated segment, so the exact form in a given vial can vary by supplier.
| Chemical Structure Image |
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| Appearance | White Lyophilized Powder |
| CAS Number | 77591-33-4 |
| Molecular formula | C ₂₁₂ H ₃₅₀ N ₅₆ O ₇₈ S |
| Molecular weight | ~4963 g/mol |
| COA Lab Result Purity | 99.34% |
| COA Endotoxin Purity | Pass |
| References | https://pubchem.ncbi.nlm.nih.gov/compound/16132321 |
| Storage Instructions | Lyophilized peptides should be stored away from heat and light. Once reconstituted, they must be refrigerated at 2–8°C to maintain stability. Do not freeze after reconstitution. |
Everything you need to know about our synthesis process, laboratory verification protocols, and research utility.
All products sold by Fortique Labs are strictly for laboratory and analytical research purposes. They are not intended for human or veterinary use, consumption, or clinical application of any kind.
Every batch ships with a corresponding Certificate of Analysis (CoA) documenting purity, compound identity, and testing parameters. CoA documentation is available upon request for any order.
Each compound is sourced through a controlled supply chain and undergoes internal quality verification before fulfillment. We maintain batch-level traceability from sourcing through final packaging to ensure consistency across every order.
Yes. Volume discount codes are available for qualifying orders. Researchers ordering at scale can reference our discount structure at checkout — no separate application required.
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Fortique Labs Peptides is intended for purchase exclusively by qualified researchers for in-vitro laboratory use. Please confirm before purchasing.
By proceeding, you grant that the statements above are true. Products intended for in-vitro laboratory use are not for use in diagnostic procedures and have not been evaluated by the U.S. Food and Drug Administration. See disclaimer.
