Research use only ✓ COA Thymosin Alpha-1
Immune Research Peptides 4.6

Thymosin Alpha-1

CAS 62304-98-7

A 28-residue peptide with an acetylated N-terminus, the biologically active fragment of the larger precursor protein prothymosin alpha.


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Verified test results

Every batch, independently verified.

Each batch is analyzed by an ISO/IEC 17025 accredited third-party laboratory before it ships. This is the released report for the size selected above, exactly as the lab signed it.

ILS LaboratoriesIndependent, ISO/IEC 17025 accredited

Certificate of analysis

99.90%

Purity by HPLC

Lot
ACE-9487640
Tested
Sep 3, 2026
Labeled
10mg
Measured
10.66mg
ISO 17025 accredited7× tested

Full QC panel

5 passed · 2 reported

Purity

HPLC

99.90%Pass

Net Peptide Content

10.66mgReported

Identity

HPLC

Thymosin Alpha-1Pass

Fentanyl Screen

Not DetectedPass

Heavy Metals

ICP-MS

Not DetectedPass

Sterility

PCR

No GrowthPass

Endotoxin

USP <85>

0.101 EU/mLReported
Technical specification

What is on file, and how it is handled

Every figure below is transcribed from the paperwork for this compound.

What is Thymosin Alpha-1?

It was first isolated from thymus tissue in 1977, and the N-terminal acetylation is part of the mature molecule rather than a synthetic addition. Reported under CAS 62304-98-7. Studied in T-cell maturation and Toll-like receptor signalling research.

Material

Compound
Thymosin Alpha-1
Form
Lyophilised powder
CAS
62304-98-7

Verification

Identity
Confirmed on the certificate of analysis
Purity
See certificate
Batch
ACE-9487640
Documentation
Per-batch certificate of analysis

Handling

Storage
Store at −20 °C, protected from light
Intended use
In-vitro laboratory research only

ReviewsWhat researchers say