TB-500 (Thymosin Beta-4) 5mg – High-Purity Research Peptide for Laboratory Use
TB-500 (Thymosin Beta-4) is a synthetic peptide fragment commonly utilised in laboratory research involving peptide structure, actin-associated pathways, and cellular signalling systems.
Supplied in lyophilised (freeze-dried) form to support stability and handling, TB-500 is HPLC-tested and verified at >99.1% purity. Each batch is supplied with a full Certificate of Analysis (COA) for batch-specific verification and traceability.
What is TB-500 (Thymosin Beta-4)?
TB-500 is a synthetic analogue of the naturally occurring protein Thymosin Beta-4. In controlled research environments, it is used as a model compound in studies involving peptide interactions, actin-related processes, and experimental biological systems.
sumer supplements, TB-500 from Bluewell Peptides is strictly intended for laboratory research use only and includes full COA verification for transparency.
Scientific Identifiers
Product Name: TB-500 (Thymosin Beta-4) 5mg
Catalogue Number: BWP-TB500-5
CAS Number: 77591-33-4
Molecular Formula: C₂₁₂H₃₅₀N₅₆O₇₈S
Molecular Weight: 4963.4 g/mol
Form: Lyophilised Solid
Purity: >99.1% (HPLC Verified)
Storage: Store at −20°C, protected from light
Unit Size: 5mg
Usage and Reconstitution
TB-500 is supplied as a lyophilised solid to ensure long-term stability. For laboratory use, it may be reconstituted with bacteriostatic water or another suitable solvent according to established protocols. For additional guidance, please refer to our peptide reconstitution page.
Why Order TB-500 from Bluewell Peptides?
99.1% purity, HPLC-verified
COA provided with every batch
Secure ordering and fast UK delivery
Transparent, research-focused supplier
Excellent customer support and trusted reviews
Legal and Safety Information
Bluewell Peptides products are supplied strictly for laboratory research and educational purposes only. They are not approved for human or veterinary use. These compounds are not intended to diagnose, treat, cure, or prevent any disease. Use must comply with all applicable laws and regulations.






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