$1.20/mgCOA 99.84%
Single Peptides
Thymosin Alpha 1
Made in the USA3 COAs
Thymosin Alpha 1 is a synthetic, N-acetylated 28-amino-acid peptide.
Thymosin Alpha 1 is a synthetic, N-acetylated 28-amino-acid peptide. Supplied as a lyophilized powder in sealed vials. The QR code on the label opens the latest third-party certificate of analysis (COA) for this compound. For laboratory research use only. Not for human or veterinary use.
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- QR on the back labelScan it to open the latest COA for this compound
Research use only. Not for human or veterinary use, and not intended to diagnose, treat, cure or prevent any disease.
Lab results for Thymosin Alpha 1
Each COA is issued by a third-party lab.
BioviridianHPLC purity, mass-spec identity
Third-party COA99.88%
HPLC purity on the latest COA
Batch1518
Size tested10 mg
COA issuedSep 5, 2026
Verification codeCOA8250
All 3 COAs for Thymosin Alpha 1
Research profile
Thymosin alpha-1 research profile
Thymosin alpha-1 is a 28-residue, N-terminally acetylated peptide first isolated from calf thymus by Allan Goldstein and colleagues in 1977. It is an N-terminal fragment of prothymosin alpha.
Specifications
- Sequence
- Ac-SDAAVDTSSEITTKDLKEKKEVVEEAEN-OH (28 residues)
- Molecular formula
- C129H215N33O55
- Molecular weight
- ≈ 3108.3 g/mol
- CAS number
- 62304-98-7
- Size
- 10MG per vial
- Form
- Lyophilized powder, sealed vial
- Storage
- Keep sealed, protected from light and moisture; follow the label
- Testing
- Third-party COAs on tested batches (HPLC purity, mass spectrometry identity). The QR code on the label opens the latest one for this compound.
Published research
- Isolation and structure: Goldstein et al., PNAS, 1977; sequence analysis by Low et al., J Biol Chem, 1979.
- Dendritic cells and TLR signalling in a mouse Aspergillus transplant model (Romani et al., Blood, 2004).
- Recombinant production and N-acetylation in E. coli (Fang et al., 2009).
- Half-life extension by PASylation, studied in rats (Binder & Skerra, Int J Mol Sci, 2021).
Frequently asked questions
What modification does thymosin alpha-1 carry?
An acetylated N-terminal serine; the C-terminus is a free acid.
Where do I find the certificate of analysis?
The QR code on the label opens the latest third-party certificate of analysis (COA) for this compound. You can also search the COA Portal by compound or batch number.
For laboratory research use only. Not for human or veterinary use. Not intended to diagnose, treat, cure or prevent any disease. Literature references are provided for scientific context and do not describe this product's suitability for any use.
Prepare this vial
Reconstitution calculator
Set to this vial. Enter the diluent volume and the amount you need to see the concentration and the volume to measure.
BAC water, free on orders of $200 or moremg
mL
mcg
Concentration5 mg/mL5,000 mcg in each mL
Volume to measure0.05 mL50 µL
Portions in the vial40of the amount needed
A worked example for laboratory preparation. Check your own figures and follow your lab’s protocols. For research use only.
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