Additional Information & Research Details
COA and Canadian Third-Party Testing
Independent, verifiable Canadian third-party testing
All third-party testing conducted by Integrity Peptides is performed through independent Canadian analytical laboratories. Certificates of Analysis (COAs) are generated from laboratory-tested samples and are intended to support independent verification of identity and purity.
Integrity Peptides is committed to third-party verification across our entire product line. Testing documentation is published once results are finalized and reviewed. We do not publish preliminary, supplier-only, or unverified test data.
Current testing status, available Certificates of Analysis, and verification details are maintained on our Third-Party Testing & Certificates of Analysis page.
→ View Canadian testing status & COAs.
Suggested Research Applications
TB-500 is frequently explored in laboratory research models involving:
• Actin binding and cytoskeletal organization
• Cellular migration and structural reorganization
• Tissue response and adaptability under stress conditions
• Regeneration-associated signaling pathways
• Models examining coordinated cellular repair behavior
• Studies of peptide-driven tissue dynamics
• Often researched with BPC-157
(For laboratory research use only. Not intended for human consumption.)
Technical Data
TB-500 (Thymosin Beta-4) is a naturally occurring 43-amino-acid peptide produced using solid-phase peptide synthesis and supplied as a sterile, lyophilized powder for controlled laboratory research.
• Peptide Sequence:
Ac-Ser-Asp-Lys-Pro-Asp-Met-Ala-Glu-Ile-Glu-Lys-Phe-Asp-Lys-Ser-Lys-Leu-Lys-Lys-Thr-Glu-Thr-Gln-Glu-Lys-Asn-Pro-Leu-Pro-Ser-Lys-Glu-Thr-Ile-Glu-Gln-Glu-Lys-Gln-Ala-Gly-Glu-Ser
• Molecular Formula: C₂₁₂H₃₅₀N₅₆O₇₈
• Molecular Weight: 4963.5 g/mol
• CAS Number: 77591-33-4
• Appearance: White to off-white lyophilized powder
• Solubility: Soluble in bacteriostatic water and other aqueous solutions
• Format: Sterile, lyophilized vial intended for laboratory research use
Storage & Handling
• Store unopened vials at 2–8°C (refrigerated)
• For long-term storage (6+ months), freeze at –20°C or below
• After reconstitution, keep at 2–8°C and use promptly
• Protect from light exposure
• Avoid repeated freeze-thaw cycles
• Use proper laboratory aseptic technique
Integrity Peptides Quality Commitment
Integrity Peptides is built on consistency, honesty, and straightforward sourcing. We work only with long-established manufacturing partners and maintain clear documentation for every peptide we supply. Our products are handled with care, stored under controlled conditions, and reviewed regularly to ensure they meet our standards. We keep our process simple: provide dependable research materials, communicate openly, and stand behind what we offer.
