Research Use Only
Thymosin alpha-1
· Reviewed by Aydan Myers, Lead Chemist · Evidence tier B
Thymosin alpha-1 (TA1) is a Research Use Only chemical-identity and literature reference on Costides, not for human or veterinary use. Published identity includes CAS 62304-98-7, formula C129H215N33O55, average MW 3108.3 Da, PubChem CID 16130571. It is indexed as thymic peptide studied for immune modulation in preclinical and clinical research.
Synonyms and vendor codes indexed here include TA1, Tα1, Thymalfasin, Zadaxin, Thymalin. This page does not describe administration or dosing.
Key facts
| CAS Registry Number | 62304-98-7 |
|---|---|
| Molecular formula | C129H215N33O55 |
| Average molecular weight | 3108.3 Da |
| PubChem CID | 16130571 |
| InChIKey | NZVYCXVTEHPMHE-ZSUJOUNUSA-N |
| Page type | Research identity monograph |
| Intended use | Research Use Only (reference) |
| Synonyms | TA1, Tα1, Thymalfasin, Zadaxin, Thymalin |
| Research notes | thymic peptide studied for immune modulation in preclinical and clinical research |
| Evidence tier | B |
| Last verified | 2026-08-21 |
Is Thymosin alpha-1 for human use?
No. Thymosin alpha-1 (TA1) pages on Costides are Research Use Only reference materials. They are not medical advice and do not describe administration or dosing.
What is the CAS number of Thymosin alpha-1?
The CAS number of Thymosin alpha-1 (TA1) is 62304-98-7. Formula and molecular weight appear in the identity table when retrieved.
What is the molecular weight of Thymosin alpha-1?
The average molecular weight of Thymosin alpha-1 (TA1) listed on Costides is 3108.3 Da.
Chemical identity table
| CAS Registry Number | 62304-98-7 |
|---|---|
| Molecular formula | C129H215N33O55 |
| Average molecular weight | 3108.3 Da |
| PubChem CID | 16130571 |
| InChIKey | NZVYCXVTEHPMHE-ZSUJOUNUSA-N |
| Synonyms | TA1, Tα1, Thymalfasin, Zadaxin, Thymalin |
Catalog 10-packs
Frequently asked questions
- What is Thymosin alpha-1?
- Thymosin alpha-1 (TA1) is a Research Use Only chemical-identity and literature reference on Costides, not for human or veterinary use. Published identity includes CAS 62304-98-7, formula C129H215N33O55, average MW 3108.3 Da, PubChem CID 16130571. It is indexed as thymic peptide studied for immune modulation in preclinical and clinical research. The CAS number of Thymosin alpha-1 is 62304-98-7. Research Use Only. Not for human or veterinary use.
- What is the CAS number of Thymosin alpha-1?
- The CAS number of Thymosin alpha-1 (TA1) is 62304-98-7. Formula and molecular weight appear in the identity table when retrieved.
- Is Thymosin alpha-1 for human use?
- No. Thymosin alpha-1 (TA1) pages on Costides are Research Use Only reference materials. They are not medical advice and do not describe administration or dosing.
- What is the molecular weight of Thymosin alpha-1?
- The average molecular weight of Thymosin alpha-1 (TA1) listed on Costides is 3108.3 Da.
- Can I buy Thymosin alpha-1 from Costides?
- Yes. Thymosin alpha-1 may appear in the Costides catalog as a Research Use Only 10-pack when published. Check the product listing for SKU, price, and CoA lots.
- Where does identity data for Thymosin alpha-1 come from?
- Costides indexes registry and bibliographic sources (PubChem, CAS Common Chemistry, PubMed permalinks) when available. Outcome or efficacy claims are not restated on this page.
Citations
- PubChem CID 16130571
- CAS Common Chemistry 62304-98-7
- Thymosin α1 Augments CD8⁺ T-Cell Activation and Reverses Exhaustion In Vitro. PMID 42345155
- DOI for PMID 42345155 PMID 42345155
- Thymosin Alpha-1 Restores Chemotherapy-Induced Antitumor Immunity by Chaperoning a MicroRNA Ligand of TLR7 in Dendritic Cells. PMID 42295795
- DOI for PMID 42295795 PMID 42295795
- Peptide Therapies in Thyroid Health: Emerging Applications in Endocrine and Immune Modulation. PMID 42222211
- IL-15 Plus Thymosin α1 Reduces Senescent Hepatic CD8(+) T Cells in Hepatocellular Carcinoma via PI3K/AKT Suppression. PMID 41883056