Actin-binding peptide studied across multiple tissue repair models.
TB-500 is a synthetic analogue of Thymosin Beta-4, a 43-amino acid peptide that sequesters G-actin via its LKKTET motif to regulate actin polymerization and cytoskeletal dynamics. Research has examined its role in cell migration, angiogenesis, wound healing, and tissue repair across multiple in vitro models. TB-500 activates the PI3K/Akt signaling pathway and upregulates VEGF expression, supporting vascular endothelial cell proliferation in laboratory studies. Supplied as lyophilized powder, ≥99% HPLC purity, LC-MS identity confirmed, endotoxin screened.
Quality Verification
≥99% Purity by HPLC
LC-MS Identity Confirmed
Endotoxin Tested (LAL)
Lyophilized Powder
Cold-Chain Shipped
Compound Specifications
CAS Number
77591-33-4
Class
Thymic Peptide
Molecular Weight
~4,963 Da
Sequence
43 Amino Acids
Form
Lyophilized Powder
Purity
≥99% by HPLC
Storage
−20°C lyophilized · 4°C reconstituted up to 7 days
Lone Star Peptide ships same-day to research institutions across all of Texas. Same-state logistics mean shorter cold-chain transit and faster delivery than any out-of-state supplier — with COA documentation that meets institutional procurement standards statewide.
Certificate of Analysis included. Independent third-party batch verified.
TB-500
Actin-Binding Peptide · Tissue Research
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Price—/ vial
QTY
1
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Triple Tested
COA Included
Same-Day Houston
FOR RESEARCH USE ONLY, TB-500 is supplied exclusively for in vitro and laboratory research applications. Not approved by the FDA for human consumption or therapeutic use. Not a drug, supplement, or medical treatment. Purchasers are responsible for compliance with all applicable regulations.
Does TB-500 ship to Texas?+
Yes. TB-500 ships to all Texas locations with same-day dispatch from Houston for orders placed before 2 PM CST. Typical arrival is 1–2 business days to Dallas, Austin, San Antonio, Fort Worth, and all Houston metro areas.
What is the purity of your TB-500?+
Our TB-500 is verified at ≥99% purity by HPLC. Every batch includes a COA with HPLC chromatogram, LC-MS identity confirmation, and endotoxin testing from Freedom Diagnostics. Batch records are publicly accessible in our COA library.
What does a TB-500 COA include?+
Each COA includes: HPLC chromatogram (≥99% purity), LC-MS mass spectrometry for identity confirmation, endotoxin test results, batch number, and synthesis date. All records are publicly viewable in the batch COA library.
Is TB-500 available for research in Houston?+
Yes. As a Houston-based supplier, we offer same-day shipping to Texas Medical Center researchers, UT Health Science Center, Baylor College of Medicine, Houston Methodist Research Institute, and MD Anderson Cancer Center. For in vitro laboratory research use only.
What sizes does TB-500 come in?+
TB-500 (Thymosin Beta-4) is available in 5mg and 10mg vials for research use.
What is the batch number for TB-500?+
Current batch records for TB-500 are available in our public COA library. Each batch number corresponds to a specific Freedom Diagnostics test report with HPLC and LC-MS data.
