≥99% Purity, VerifiedIndependent HPLC testing on every production lot
Lot-Specific COAsYour exact batch, documented and searchable
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Molecular Characteristics
Complete Specifications
CAS Registry Number885340-08-9
PubChem CID62707662
ClassificationSynthetic N-acetylated heptapeptide
Molecular FormulaC₃₈H₆₈N₁₀O₁₄
Molecular Weight889.02 Da
Structural Composition
Amino Acid SequenceAc-Leu-Lys-Lys-Thr-Glu-Thr-Gln
Parent PeptideThymosin β4 (residues 17–23)
Length7 amino acids (acetylated)
Physical Properties
AppearanceSolid oral capsule (research-grade TB-500)
Capsule Strength500 mcg per capsule
FormulationPre-filled — no reconstitution required
TB-500 corresponds to the LKKTETQ actin-binding fragment of Thymosin β4. This short, N-acetylated sequence is the region associated with G-actin binding and is studied for its solubility and stability under research conditions.
Research Applications
Actin Regulation & Cell Motility
Studied for its interaction with the actin cytoskeleton:
- G-actin binding — sequestration and monomer regulation
- Cell migration — chemotaxis and motility signaling
- Cytoskeletal remodeling — structural reorganization
Tissue Repair & Regeneration
Examined in models of wound and soft-tissue repair:
- Wound healing models — repair across tissue types
- Extracellular matrix — remodeling and organization
- Recovery kinetics — tissue turnover research
Angiogenesis & Vascular Research
Investigated in vascular formation contexts:
- Vessel formation — endothelial cell migration
- Microcirculation — perfusion and remodeling
- Vascular repair — neovascularization models
Inflammation & Flexibility
Explored across connective and inflammatory models:
- Inflammatory modulation — regulation of mediators
- Tendon & ligament — connective-tissue repair
- Muscle recovery — fiber repair models
Storage & Handling Guidelines
Capsule Storage
- Store in a cool, dry place at room temperature (15–25°C)
- Keep in the original sealed container, away from light and moisture
- Retain any desiccant packet included in the bottle
- Keep the container tightly closed between uses
Handling Guidelines
- No reconstitution, solvents, or mixing required
- Handle capsules with clean, dry hands
- Do not open, crush, or split the capsules
- Keep away from heat and out of reach of children
Shelf Life & Stability
- Stable at room temperature when stored as directed
- Avoid excessive heat, humidity, and direct sunlight
- Reseal the container promptly after each use
- Use before the labeled expiration date
TB-500 is a short acetylated peptide studied for favorable solubility and handling characteristics. As with all research peptides, store as directed and protect from heat, humidity, and light to maintain integrity.
Frequently Asked Questions
What is TB-500?
TB-500 is a research compound supplied here in pre-measured capsule form for laboratory and preclinical study of cellular signaling and related mechanisms. It is intended strictly for research use.
What is TB-500 used for?
In research environments TB-500 is studied for its documented interactions with the pathways described above — in controlled laboratory models, for educational and scientific investigation only. It is not for human or veterinary use.
Is TB-500 approved for human use?
No. TB-500 is not approved by the FDA or any regulatory authority for human consumption or medical treatment. Products sold on this site are strictly for research and laboratory use only.
How are the TB-500 capsules supplied?
As pre-measured oral capsules, each containing a fixed amount of research-grade TB-500. No reconstitution or mixing is required — the capsules are ready to use in research protocols exactly as supplied.
Do the TB-500 capsules need to be reconstituted?
No. Unlike lyophilized vials, these capsules come pre-filled and ready to use. There is no need for bacteriostatic water, solvents, or any reconstitution step.
How should the TB-500 capsules be stored?
In a cool, dry place at room temperature, kept in their original sealed container away from light, heat, and moisture. Keep the bottle tightly closed and retain any desiccant packet.
What quality standards are applied to TB-500 products?
Manufactured and handled using research-grade quality standards, including identity verification and purity testing such as HPLC or mass spectrometry, depending on the batch. Certificates of Analysis (COAs) are typically made available for transparency and laboratory reference.
Research Background
For a referenced overview of what the published research examines — including why TB-500 and thymosin beta-4 are not strictly the same thing — see What Is TB-500? Thymosin Beta-4 Research Background. It cites peer-reviewed sources and contains no dosing guidance.
Research Use OnlyThis product is not for human consumption. It is sold strictly for research and educational purposes and is not intended to diagnose, treat, cure, or prevent any disease. Any research information referenced on this page is derived from peer-reviewed scientific literature and provided for educational reference only. By purchasing this product, you acknowledge that you are a qualified researcher and agree to use it in full compliance with all applicable laws and regulations.
