(Tα1) Thymosin Alpha‑1 (28 Amino) Peptide Lyophilized Powder C₁₂₉H₂₁₅N₃₃O₅₅
Molecular Formula: C₁₂₉H₂₁₅N₃₃O₅₅
Amino Acid Length: 28 amino acids
Molecular Weight: ~3108 Da
CAS Number: 62304‑98‑7
Purity: 99.4% HPLC
COA (certificate of analysis) provided: thymosin_alpha_1_coa_99.42%
Product Video:
1. What It Is
Thymosin Alpha‑1 is a short, acidic immunomodulatory peptide originally isolated from the thymus.
It is one of the most studied thymic peptides due to its strong effects on innate and adaptive immunity.
2. Primary Biological Functions
Enhances T‑cell maturation and activation
Increases NK cell activity
Boosts production of interferon‑γ, IL‑2, and other immune cytokines
Improves antigen presentation
Supports immune balance during infection or immune suppression
3. Mechanism of Action
Tα1 interacts with:
Toll‑like receptors (TLR2, TLR9)
Dendritic cells
T‑lymphocytes
This leads to:
Enhanced Th1 immune response
Increased cytotoxic activity
Improved pathogen clearance
4. Research & Clinical Context
Tα1 has been studied for roles in:
Viral infections
Immune deficiency
Vaccine adjuvant applications
Cancer immunotherapy
Immune restoration after chemotherapy
It is widely used in research settings due to its well‑characterized immune‑enhancing profile.
5. Key Distinction
Unlike TMSB4X (Thymosin Beta‑4), which is regenerative and actin‑binding, Thymosin Alpha‑1 is purely immunomodulatory.
Legal and Safety Information;
Quantum Peptides products are provided exclusively for laboratory research and educational use.
They are not approved for human or veterinary applications.
These materials are not intended to diagnose, treat, cure, or prevent any medical condition.
All use must adhere to applicable laws and regulatory requirements.
“The photo is for illustration purposes only and includes as much product information as possible. Bottle labels wrap around the container and may vary slightly in design & between batches as part of our anti‑counterfeiting measures.”

