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Thymosin Alpha-1 10mg (thymalfasin) is an N-acetylated 28-residue peptide originally isolated from thymic tissue, supplied as a 10mg research vial. Each batch is HPLC-verified at 99.5% purity and is independently tested by Renew Labs, a third-party analytical lab, with a batch-specific Certificate of Analysis (COA) included. For laboratory and research use only. Not for human consumption.
Thymosin Alpha-1 is studied for its role in T-cell maturation, dendritic cell function, and innate and adaptive immune signaling. Research programs have examined it as an immune modulator and vaccine adjuvant in infection and immune response models.
| Product | Thymosin Alpha-1 (Research Grade) |
| CAS No. | 62304-98-7 |
| Product No. | TA110 |
| Molecular Formula | C129H215N33O55 |
| Molecular Weight | 3108.3 g/mol |
| Net Content | 10mg (lyophilized powder) |
| 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-OH |
| Amino Acids | 28 |
| Test | Specification | Result | Status |
|---|---|---|---|
| Appearance | White to off-white powder | White powder | PASS |
| Solubility | Soluble in water / PBS | Conforms | PASS |
| HPLC Purity | NLT 98.0% | 99.5% | PASS |
| Mass Spectrum (ESI) | 3108 ± 2 | 3108.3 | PASS |
| Assay (Content) | NLT 98.0% | 99.2% | PASS |
| Water Content (KF) | NMT 5.0% | 1.6% | PASS |
| Bacterial Endotoxins | NMT 5 EU/mg | Conforms | PASS |
| Residual Solvents | Meets ICH Q3C | Conforms | PASS |
Batch No.: TA1-10102601 | Mfg Date: Oct 15, 2026 | Retest Date: Oct 15, 2028 | Storage: short term 2-8°C, long term below -20°C, protected from light and moisture.
Every batch of Kynetide Thymosin Alpha-1 is independently tested by Renew Labs. This batch of Thymosin Alpha-1 is verified at 99.5% HPLC purity, exceeding the NLT 98.0% specification. The full analytical panel covers HPLC, ESI mass spectrometry, assay content, Karl Fischer water analysis, bacterial endotoxin testing, and residual solvents (ICH Q3C), supporting reliable, reproducible research results.
Thymosin Alpha-1 has been studied in peer-reviewed research. Selected published literature includes:
These citations are provided for research reference only and do not imply any claim about the effects of this product.
What is Thymosin Alpha-1?
Thymosin Alpha-1 (thymalfasin) is an N-acetylated 28-residue peptide originally isolated from thymic tissue. Kynetide supplies it as a 10mg research vial.
What is Thymosin Alpha-1 studied for?
Thymosin Alpha-1 is studied for T-cell maturation, dendritic cell function, immune modulation, and adjuvant activity in laboratory models.
What is the CAS number and molecular formula of Thymosin Alpha-1?
Thymosin Alpha-1 has CAS No. 62304-98-7, molecular formula C129H215N33O55, and molecular weight 3108.3 g/mol.
What purity is this batch?
Batch TA1-10102601 is verified at 99.5% HPLC purity, exceeding the NLT 98.0% specification, with mass spectrometry, endotoxin, water content, and residual solvent testing on the COA.
How does the 10mg vial compare to the 5mg vial?
The 10mg vial doubles the material of the 5mg vial for larger research protocols drawing from a single batch.
How should Thymosin Alpha-1 be stored?
Store lyophilized material at 2-8°C short term; for long-term storage the batch COA specifies below -20°C, protected from light and moisture.
What documentation comes with each order?
Each order includes a batch-specific third-party COA showing HPLC purity, mass spectrum, assay content, water content, endotoxin, and residual solvent results.
Is this product for human use?
No. This product is strictly for laboratory and research use only and is not intended for human consumption.
For laboratory and research use only. Not for human consumption. This product is not a drug, supplement, food, or cosmetic and is not intended to diagnose, treat, cure, or prevent any disease.


99%+ HPLC Pure | Batch-Specific Third-Party COAs | Free Shipping $250+ | Same-Day Shipping Before 2PM CT | Ships Across the US
