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Research Use Only — Not for Human Consumption. This compound is sold exclusively for in vitro laboratory research by qualified professionals.

PeptaPeptides
Thymosin α-1
5 mg
99.2% PurityFor Research Use Only
RUO — Research Use Only
Not for human, veterinary, or clinical use
RUO
Cytoprotective

Thymosin α-1

Thymosin Alpha-1 Immunomodulator

(178 reviews)
99.2% Purity
$99.99per 5 mg · lyophilized

Thymosin Alpha-1 (Tα1) is a 28-amino acid peptide naturally produced by the thymus gland. It plays a central role in T-cell maturation and differentiation, and has been studied extensively in models of immune deficiency, chronic viral infection, and cancer immunology. For research use only — not for human consumption.

3rd-Party HPLC Verified
Lot-Specific Certificate
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Chemical Information
Molecular FormulaC₁₂₉H₂₁₅N₃₃O₅₅
Molecular Weight3108.28 g/mol
CAS Number62304-98-7
FormLyophilized Powder
Storage-20°C, dry & dark
Purity (HPLC)≥ 99.2%
Amino Acid SequenceAc-Ser-Asp-Ala-Ala-Val-Asp-Thr-Ser-Ser-Glu-Ile-Thr-Thr-Lys-Asp-Leu-Lys-Glu-Lys-Lys-Glu-Val-Val-Glu-Glu-Ala-Glu-Asn
1
11 in stock — limited
Not for Human Consumption · For Research Purposes Only
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Cold-Chain Shipping
Lot-Specific CoA
ISO 9001 Facility
Independent Verification

Third-Party Tested. Every Lot.

Every batch of Thymosin α-1 undergoes independent HPLC and mass spectrometry analysis through an accredited third-party laboratory before it is released for sale. No exceptions. No internal-only certificates.

RP-HPLC Analysis

Every lot measured by reverse-phase HPLC. Thymosin α-1 consistently achieves 99.2%+ purity across batches.

ESI Mass Spec

Electrospray ionization mass spectrometry confirms exact molecular weight and rules out structural isomers or impurities.

Lot-Specific CoA

Your Certificate of Analysis references your exact lot number with actual chromatogram data — not a generic template.

Research Context

Theoretical Research Analysis

All research information below reflects published preclinical literature only. This product is not for human use, consumption, or clinical application of any kind.

T-cell maturation studies
Innate and adaptive immune research
NK cell activation
Viral infection immunology
Cancer immunology

Thymosin Alpha-1 has one of the largest bodies of clinical and preclinical literature among immunomodulatory peptides with a favorable safety profile in research models.

Sequence Information

Amino acid sequence:

Ac-Ser-Asp-Ala-Ala-Val-Asp-Thr-Ser-Ser-Glu-Ile-Thr-Thr-Lys-Asp-Leu-Lys-Glu-Lys-Lys-Glu-Val-Val-Glu-Glu-Ala-Glu-Asn

Molecular Formula

C₁₂₉H₂₁₅N₃₃O₅₅

Molecular Weight

3108.28 g/mol

FDA Disclaimer: The information and statements contained on this website have not been evaluated by the United States Food and Drug Administration. The products offered by PeptaPeptides LLC and the statements made herein are not intended to diagnose, treat, cure, or prevent any disease or medical condition. PeptaPeptides LLC functions solely as a chemical supplier and raw material provider. PeptaPeptides LLC is not a compounding pharmacy, nor does it constitute a chemical compounding facility as that term is defined under Section 503A of the Federal Food, Drug, and Cosmetic Act. PeptaPeptides LLC is likewise not an outsourcing facility as defined under Section 503B of the Federal Food, Drug, and Cosmetic Act. All compounds and materials offered are provided exclusively for laboratory research, scientific analysis, and in vitro use by qualified researchers and institutions. None of the products available through PeptaPeptides LLC are intended for, approved for, or suitable for human consumption in any form.