Thymosin Alpha 1
10mg vial
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Thymosin Alpha-1 (TA-1) is a naturally occurring thymic peptide with pharmacological interactions with toll-like receptors and dendritic cell signaling pathways, under preclinical and clinical investigation.
Specification
- CAS No.
- 62304-98-7
- Molecular Formula
- C129H215N33O55
- Molecular Weight
- 3108.32 g/mol
- Appearance
- White lyophilized powder
- Storage
- Refrigerate (2-8 deg C)
- Purity
- >=99%
Current lot
99.167%
Purity, measured by RP-HPLC-UV
- Lot
- TH126-10-005
- Laboratory
- Chromate
- Reported
- 21 February 2026
- Quantity
- 10.08 mg against a 10mg spec
- Identity confirmed as Thymosin alpha-1
- Endotoxin: < 0.0496 EU/mg against a < 0.5 spec
- Sterility: Pass, USP <1223> BacT/ALERT
- Heavy metals: < 50 ppb
For research use only. Not for human consumption. Not FDA approved.
Common questions
Does Thymosin Alpha 1 come with a certificate of analysis?
Yes. 6 third party certificates for Thymosin Alpha 1 are published on this site, covering endotoxin, purity and sterility. Each one is the report as the testing laboratory issued it, not a retyped summary, and the most recent lot is 10mg · 3/3/2026. Match the batch on your vial to the batch on the report.
What is the CAS number for Thymosin Alpha 1?
62304-98-7. It is printed in the specification table on this page so it can be checked against your own records before ordering.
How should Thymosin Alpha 1 be stored?
Refrigerate (2-8 deg C) Lyophilized powder is the stable form; once reconstituted, a solution is far more fragile and should be aliquoted rather than repeatedly frozen and thawed.
What purity is Thymosin Alpha 1?
>=99% by HPLC. The released figure for any given lot is on that lot's certificate rather than taken from this page, because purity is a property of a batch and not of a product line.
Is Thymosin Alpha 1 intended for human use?
No. This is sold for laboratory research use only. It is not a drug, not a supplement, and not approved by the FDA for human or veterinary use. We do not provide dosing, administration, or protocol guidance, by phone, by email, or through the assistant on this site.
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