TB-500
TB-500
TB-500 is a synthetic peptide fragment corresponding to the active region of thymosin beta-4, a naturally occurring protein involved in cellular signaling processes. Laboratory research investigates TB-500 for its interaction with actin-binding pathways and cellular structural organization systems. Experimental studies examine how TB-500 participates in cellular communication networks related to structural remodeling processes, cytoskeletal dynamics, and peptide-mediated signaling in controlled research models. These investigations contribute to ongoing scientific research exploring thymosin-derived peptide fragments and their role in biological communication pathways. TB-500 continues to be studied in laboratory environments focused on actin-regulatory peptide biology and cellular structural signaling mechanisms. For research use only. Not for human consumption.
Research this compound
For research use only. Not for human consumption.
Identity, storage, and what ships.
The technical record. Identity rows reflect literature-cited values for this compound; storage rows describe the conditions under which Nexara holds and ships the lyophilized form.
Identity
- Appearance
- White lyophilized powder
- Sequence
- Synthetic Thymosin β-4 fragment containing the LKKTETQ active region
- Synonyms
- Thymosin Beta-4 Fragment, Tβ4 Fragment
- Purity
- ≥99%
Storage profile
- Storage (Lyophilized)
- -20°C (long-term), 2-8°C up to 30 days (short-term)
- Storage (Reconstituted)
- 2-8°C
- Shelf Life (Lyophilized)
- 24 months at -20°C
- Shelf Life (Reconstituted)
- Up to 28 days at 2-8°C
- Reconstitution
- Bacteriostatic water (0.9% benzyl alcohol) for research reconstitution
- Handling
- Protect from direct light. Avoid repeated freeze-thaw cycles.
Shipment
- —1x lyophilized vial (10mg)
- —Certificate of Analysis (upon request)
- —Storage instructions
Studied research areas.
Each item below names a domain in which TB-500 has been investigated in published research. Listed for context — not as a use recommendation.
- 01Actin-binding pathway research
- 02Thymosin beta-4 fragment studies
- 03Cytoskeletal dynamics analysis
- 04Cellular structural signaling research
Held to research-grade quality standards.
Every batch is held to research-grade quality standards before it ships. Each vial is labeled with its batch identifier so that fulfillment can be traced through the order record. For our research-use-only posture, see the Research Compliance page.
Common questions for TB-500.
For research use only. Not for human consumption.
These products are not intended to diagnose, treat, cure, or prevent any disease. They are sold strictly as research chemicals for laboratory use.
Fulfillment:Orders ship from Texas via USPS once payment is confirmed. You'll receive tracking by email when your package leaves our facility.
Researcher reviews
Reviews open as orders are delivered.
Only researchers who've received an order of this compound can submit a review. Submitted text is screened for compliant language before publication. No anonymous testimonials, no AI-generated copy.
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Reviews appear here as researchers complete and verify orders.
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Reference reading on TB-500 and adjacent topics.
- 3 min
Compound profile
TB-500: Compound Profile
A research profile of TB-500, the synthetic peptide based on the actin-binding region of thymosin β4: identity, the actin-sequestration mechanism, and what the preclinical literature studies.
- 6 min
Foundational
Tissue-Repair & Regenerative Peptides: A Research Overview
How the tissue-repair peptide class is studied in research: BPC-157, TB-500, and GHK-Cu, their molecular targets, what preclinical work examines, and how they differ.
- 5 min
Foundational
Metabolic, Incretin & Amylin Peptides: A Research Overview
How the metabolic peptide class is studied: incretin triple agonists (GLP-3), amylin analogs (Cagrilintide), and growth-hormone fragments (AOD9604), their receptor targets and research areas.