IMPORTANT DISCLAIMER: This product is offered strictly for research purposes only and is intended solely for in vitro laboratory research and experimentation by qualified professionals in controlled research environments. This product is not intended for human or animal use and is not a drug, food, dietary supplement, cosmetic, or medical device. It must not be misbranded, misused, relabeled, or represented as such. All information provided is for educational and informational purposes only and has not been evaluated by the U.S. Food and Drug Administration (FDA).
TB-500 Peptide – Lyophilized Research Compound Overview
What Is the TB-500 Peptide?
TB-500 peptide (also known as Thymosin Beta-4 fragment) is a synthetic peptide fragment referenced in peptide chemistry, molecular biology, and regenerative research literature. In laboratory environments, this compound is frequently examined in connection with actin-binding studies, cell migration research, molecular interaction analysis, and tissue repair pathway characterization.
TB-500 is commonly described in research literature as the active 7-amino acid fragment (LKKTETQ) of Thymosin Beta-4 responsible for many of its biological effects. Because of its short, well-defined sequence and high stability, it is often included in controlled laboratory research evaluating peptide behavior, wound healing mechanisms, and analytical peptide performance.
Scientific Interest in TB-500
Within peptide research environments, TB-500 is frequently examined in studies involving cell motility and actin dynamics. Researchers may reference TB-500 in laboratory investigations involving:
- Peptide structural stability
- Molecular signaling pathway modeling
- Comparative peptide interaction studies
- Peptide synthesis characterization
- Analytical evaluation of regenerative peptide fragments
Role in Peptide Research Literature
TB-500 is often referenced in comparative peptide research involving Thymosin Beta-4 fragments and short actin-modulating peptides. In controlled laboratory conditions, it may be included in experimental studies examining peptide stability, cell migration, and molecular interaction behavior.
Lyophilized TB-500 Peptide
Freeze-Dried Peptide Format
TB-500 research compounds are commonly supplied in a lyophilized (freeze-dried) format. Lyophilization removes solvent under controlled temperature and vacuum conditions, producing a stable dry peptide material suitable for laboratory storage and transport.
Visual Characteristics of Lyophilized TB-500
Depending on manufacturing conditions and freeze-drying parameters, lyophilized TB-500 may appear as:
- Fine white powder
- White or off-white lyophilized cake
- Compact peptide puck adhered to the vial surface
Minor variations between vials are normal and generally reflect differences in freeze-drying parameters, formulation composition, or vial geometry during manufacturing.
Chemical Properties of TB-500
TB-500 Chemical Specifications
| Property | Specification |
|---|---|
| Compound Type | Synthetic peptide fragment |
| Peptide Class | Thymosin Beta-4 active fragment |
| Common Name | TB-500 |
| Alternative Names | Ac-LKKTETQ, Thymosin Beta-4 (17-23) |
| Peptide Sequence | Ac-Leu-Lys-Lys-Thr-Glu-Thr-Gln-NH₂ |
| Amino Acid Length | 7 |
| Molecular Formula | C₄₀H₆₇N₁₁O₁₃ |
| Molecular Weight | 890.0 g/mol (approx.) |
| CAS Number | 885340-08-9 |
| PubChem CID | No official PubChem Compound CID has been assigned. |
| Appearance | White to off-white lyophilized peptide powder or compact lyophilized cake |
Research Identifiers
TB-500 is the synthetic 7-amino acid fragment (Ac-LKKTETQ) derived from Thymosin Beta-4. This sequence is considered the primary active site responsible for actin-binding and cell migration effects. It is frequently referenced in peptide chemistry, cell biology, and regenerative research literature. Owing to its short sequence and high stability, TB-500 is commonly included in laboratory investigations involving peptide stability, wound healing models, and analytical method development.
Formulation Considerations
Research-grade TB-500 is typically supplied as a lyophilized (freeze-dried) peptide to improve stability during storage and transportation. Some formulations may include stabilizing excipients used during freeze-drying to help maintain peptide integrity. Minor differences in the appearance of the lyophilized peptide between production lots are normal and generally reflect variations in freeze-drying conditions rather than differences in peptide identity or analytical purity.
Reconstitution Behavior of TB-500
Dissolution Characteristics in Laboratory Settings
When working with lyophilized TB-500 peptide in laboratory environments, solvent selection can influence dissolution behavior. Some peptide preparations may contain buffering agents or stabilizing excipients that affect reconstitution characteristics.
Impact of Solvent Composition
Solvents containing preservatives or buffering systems may interact with formulation excipients and influence dissolution profiles. For research consistency, purified laboratory-grade water is commonly used when reconstituting peptide compounds.
TB-500 in Peptide Research Literature
TB-500 is referenced in scientific publications involving actin modulation, wound healing, and tissue regeneration. In controlled laboratory research environments, TB-500 may be included as a reference compound when examining peptide behavior and structural peptide characteristics.
Comparative Peptide Research
Because TB-500 is a defined synthetic fragment of Thymosin Beta-4, it is frequently included in comparative peptide research evaluating:
- Peptide structural stability
- Molecular interaction modeling
- Peptide solubility characteristics
- Comparative peptide synthesis behavior
- Analytical performance of regenerative peptide fragments
Storage & Handling Guidelines
Recommended Storage Conditions
- Store refrigerated at 2–8°C unless otherwise specified
- Protect peptide compounds from light and moisture
- Keep containers sealed until laboratory use
- Avoid repeated freeze-thaw cycles after reconstitution
Laboratory Handling Best Practices
TB-500 peptide should be handled using appropriate laboratory protocols including sterile handling techniques and controlled environmental conditions to maintain experimental consistency and sample integrity.
Frequently Asked Questions About TB-500 Peptide
What type of peptide is TB-500?
TB-500 is a synthetic 7-amino acid fragment of Thymosin Beta-4 referenced in peptide research literature and commonly examined in laboratory studies involving cell migration and tissue repair pathways.
How is TB-500 typically supplied for research?
TB-500 research compounds are typically supplied as a lyophilized powder in sealed laboratory vials. Freeze-drying helps maintain peptide stability during storage and transportation.
What does lyophilized peptide mean?
Lyophilization is a freeze-drying process that removes water from peptide solutions under low temperature and vacuum conditions, producing a stable dry peptide material used for laboratory research.
