Thymosin Alpha-1 is available from Kimerachems for controlled laboratory and analytical research. Review the product-specific information, available formats and documentation below before ordering.
Thymosin Alpha-1 (Tα1) Research Standard
Thymosin Alpha-1 (Tα1) is a synthetic 28-amino-acid peptide that represents the biologically active N-terminal fragment of prothymosin-α. In laboratory research, it serves as a critical immunomodulatory probe, characterized by its ability to influence complex immune signaling networks without the variability of native protein complexes. By acting as a broad regulator of host-defense mechanisms, Tα1 is extensively utilized to investigate T-cell differentiation, dendritic cell activity, and the orchestration of cytokine-related pathways in both innate and adaptive immune models.
Technical Specifications
| Property | Specification |
| Product Name | Thymosin Alpha-1 (Tα1) |
| CAS Number | 62304-98-7 |
| Chemical Formula | C129H215N33O55 |
| Molecular Weight | ~3,108.3 g/mol |
| Peptide Length | 28 amino acids |
| Chemical Class | Synthetic immunomodulatory peptide |
| Physical Appearance | White to off-white lyophilized powder |
| Solubility | Water and buffered aqueous solutions |
Mechanism of Action & Research Context
Thymosin Alpha-1 is investigated for its multi-faceted influence on immune homeostasis and signaling.
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Immunomodulation: The peptide is primarily studied for its capacity to modulate T-lymphocyte differentiation and activation, facilitating the maturation of the adaptive immune response.
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Dendritic Cell Function: Tα1 is utilized in research to enhance antigen presentation and modulate the functional activity of dendritic cells, bridging innate and adaptive immunity.
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Cytokine Regulation: The compound serves as a tool to investigate the regulation of interferon-related pathways and the balance of cytokine secretion, which is vital for studying the body’s response to external stressors or immune challenge.
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Non-Receptor Signaling: Unlike agents that bind a single classical receptor, Tα1 acts as a signaling peptide that influences multiple downstream networks, making it a valuable model for observing systemic immune regulation.
Research Applications
Thymosin Alpha-1 is a specialized reagent essential for modern immunology and host-defense research.
Primary fields of in vitro and animal-model laboratory investigation include:
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T-Cell Development: Probing the mechanisms of lymphocyte maturation and activation in controlled settings.
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Cytokine Mapping: Researching the influence of Tα1 on interferon-gamma production and other cytokine-signaling circuits.
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Host-Defense Research: Evaluating the peptide’s ability to boost immune responsiveness in models of compromised host defense.
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Comparative Immunology: Serving as a reference material when characterizing the regulatory effects of various synthetic peptides on innate immune pathways.
Storage & Handling Guidelines
To maintain the chemical stability and experimental reliability of the peptide:
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Storage Environment: Store the lyophilized powder in a dry, cool environment. Maintain at temperatures below 0°C (typically -20°C) for long-term stability.
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Light Sensitivity: Protect strictly from direct light to prevent the degradation of the peptide sequence.
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Reconstitution: Use sterile, buffered aqueous solutions for reconstitution. Aliquot the solution immediately after preparation to minimize freeze-thaw cycles.
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Aseptic Technique: Handle with clean, sterile laboratory equipment in a controlled environment to prevent enzymatic or microbial contamination, which can impact peptide integrity.
Research Use Disclaimer
Research Use Only Disclaimer: This product is developed and distributed strictly as a Research Use Only (RUO) laboratory reference chemical intended exclusively for non-clinical analytical and scientific investigation. It is not an FDA-approved drug, medical treatment, dietary supplement, or food ingredient, and is strictly prohibited for human or animal consumption. Kimera Chems supplies this high-purity research material solely to qualified institutions and professional investigators for authorized laboratory research.
| CAS Number | 62304-98-7 |
| Other Names | Thymalfasin, Zadaxin, Thymosin alpha1, Thymosin alpha 1 |
| IUPAC Name | (4S)-4-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S,3R)-2-[[(2S,3S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-acetamido-3-hydroxypropanoyl]amino]-3-carboxypropanoyl]amino]propanoyl]amino]propanoyl]amino]-3-methylbutanoyl]amino]-3-carboxypropanoyl]amino]-3-hydroxybutanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-4-carboxybutanoyl]amino]-3-methylpentanoyl]amino]-3-hydroxybutanoyl]amino]-3-hydroxybutanoyl]amino]-6-aminohexanoyl]amino]-3-carboxypropanoyl]amino]-4-methylpentanoyl]amino]-6-aminohexanoyl]amino]-4-carboxybutanoyl]amino]-6-aminohexanoyl]amino]-6-aminohexanoyl]amino]-4-carboxybutanoyl]amino]-3-methylbutanoyl]amino]-3-methylbutanoyl]amino]-4-carboxybutanoyl]amino]-4-carboxybutanoyl]amino]propanoyl]amino]-5-[[(1S)-3-amino-1-carboxy-3-oxopropyl]amino]-5-oxopentanoic acid |
| Molecular Formula | C₁₂₉H₂₁₅N₃₃O₅₅ |
| Molecular Weight | 3108.32 |
Product FAQs
What is Thymosin Alpha-1 supplied for?
This material is supplied strictly for controlled, non-clinical laboratory and analytical research. It is not intended for human or animal consumption.
Which formats are available for Thymosin Alpha-1?
Available formats or options are shown in the product selector above. Current availability can change.
Where can I review product documentation?
Where available, batch documentation can be reviewed in the Certificate of Analysis library before ordering.




