Peptide Verified8 assays
Thymosin Alpha-1 10mg
Lot PX1TA110-0021
ILS Laboratories
Independent laboratory
HPLC purity
99.53%
High purity confirmed
Labeled amount10mg
Measured amount10.27 mg
IdentityThymosin Alpha-1
TestedJul 31, 2026
Thymosin Alpha-1
Third-Party Tested
Made in the USA
Ships from the USA
Peptides
Thymosin Alpha-1
$125.00Thymosin Alpha-1PeptidesLyophilized
Strength
Quantity
1
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- 788 in stock in cold storage
- HPLC & LC-MS verified purity 99%+ · Lot-linked COA
We accept:AMEXDISC●VERACH$ZV
For research use only. Not for human or animal consumption.
Molecular weight
3108.29 g/mol
Molecular formula
C₁₂₉H₂₁₅N₃₃O₅₅
CAS number
62304-98-7
Chain length
28 amino acids
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
Classification: Research peptide
Batch verification
Certificate of Analysis
Independent testing with lot-specific analytical documentation.
Full GHS 16-section Safety Data Sheet for Thymosin Alpha-1, prepared per OSHA HazCom 2012 (29 CFR 1910.1200). Includes substance identity, handling & storage, PPE, stability, transport and regulatory information.
CAS No.
62304-98-7
Formula
C₁₂₉H₂₁₅N₃₃O₅₅
Mol. Weight
3108.29 g/mol
Classification
Not hazardous (GHS)
Thymosin Alpha-1 — Research Overview
Research monograph on Thymosin Alpha-1 — a 28-amino-acid thymic peptide studied extensively in immune-modulation research.
Research classification and format
Thymosin Alpha-1 is classified on this page as a thymic immune-signaling peptide and is supplied in a lyophilized research preparation. The presentation is intended to support controlled laboratory workflows, analytical method development, and documented preclinical or in-vitro investigation appropriate to the compound.
PX1 quality and documentation
PX1 Research manufactures and finishes this product in American GMP laboratories rather than purchasing finished vials from overseas. Each released lot is evaluated through the PX1 quality program, with identity, purity, appearance, and applicable contaminant or endotoxin results documented on the lot-linked Certificate of Analysis. Researchers should review the current COA and Safety Data Sheet shown on this page before beginning work.
Laboratory handling
Store the sealed preparation at −20°C for long-term stability and protect it from light. Bring the closed vial to room temperature before opening, follow the laboratory's validated preparation protocol, and minimize repeated freeze–thaw cycles. Use calibrated equipment, document concentration and storage conditions, and follow institutional safety procedures throughout the study.
Intended use
For research use only. Not for human or veterinary use, consumption, diagnosis, treatment, or medical application. This material should be handled only by qualified professionals in an appropriate laboratory setting.
Purity (HPLC)
≥99%
Application
For Research Use only
Form
Lyophilized Powder
Storage
-20°C Long Term
Testing
Third Party Tested
Manufacture
USA
99%+ HPLC Purity
Independently verified by accredited US laboratory
Endotoxin-Screened
LAL tested, LPS-free, endotoxin report available
GMP-Certified Manufacturing
USA facility, ISO 9001:2015
Lyophilized for Stability
Shipped cold-packed and sealed for stability
Studied in innate and adaptive immune models involving dendritic-cell signaling, T-cell differentiation and cytokine responses.
For research use only — not for human or animal consumption.
Research monograph
Thymosin Alpha-1 — Complete Research Overview
What is Thymosin Alpha-1?
Thymosin Alpha-1 (Tα1) is a 28-amino-acid N-terminally acetylated peptide originally isolated from thymosin fraction 5 of calf thymus. It is one of the most studied thymic peptides in immunology.
PX1 Research supplies lyophilized Thymosin Alpha-1 as a reference compound for T-cell differentiation, innate immune signaling and vaccine-adjuvant research models.
Mechanism of action
Tα1 has been reported to signal through Toll-like receptors, particularly TLR2 and TLR9 on dendritic cells, promoting maturation and cytokine output that biases T-cell differentiation. Downstream readouts include increased IL-12 and interferon-gamma in culture.
Its pleiotropic profile means experiments typically pair innate-cell activation markers with adaptive readouts such as T-cell proliferation.
Laboratory handling and storage
Thymosin Alpha-1 ships as a lyophilized powder in a sealed, tamper-evident vial. Store the unopened vial between −20°C and −80°C, protected from light, until the day of use. In this state the peptide is stable through the labeled expiration date printed on the lot documentation.
Purity, testing and Certificate of Analysis
Every PX1 Research lot of Thymosin Alpha-1 is manufactured in the United States and released against a documented specification of ≥99% purity by reversed-phase HPLC, with identity confirmed on the same lot by high-resolution LC-MS against the theoretical mass of the sequence.
Research use only
Thymosin Alpha-1 supplied by PX1 Research is intended strictly for in-vitro laboratory and research applications. It is not a drug, food, cosmetic, or medical device, and it is not for human or veterinary use, diagnosis, treatment, or consumption.
Researchers are responsible for handling the compound in accordance with their institution's safety procedures and all applicable local regulations. Safety data sheets and current lot documentation are available on this site.
References
- Romani 2004. Romani L, et al. Thymosin alpha 1 activates dendritic cells for antifungal Th1 resistance through Toll-like receptor signaling. Blood. 2004;103(11):4232-4239.
All products are sold strictly for laboratory and research use only. Not for human or veterinary use, diagnosis, treatment or consumption. Statements have not been evaluated by the FDA.
High Quality — 99% Purity Guaranteed
Product Quality Guarantee
We are continuously conducting HPLC testing on all of our raw powders as well as our finished products to ensure the quality of what we ship. You can have the product you bought from us independently tested at any HPLC-licensed testing facility — and if the results come back negative, we will refund the following:
HPLC Test Fee
$100
Plus a full refund
Total order amount + shipping