15+ New Productsjust added, more coming this week

Thymosin Alpha-1 premium product

Cellular Peptide

Thymosin Alpha-1

ThymalfasinCAS: 62304-98-7

A 28-amino acid acetylated polypeptide derived from prothymosin alpha that activates Toll-like receptor signaling on dendritic cells and enhances T lymphocyte maturation in clinical immune modulation studies. Premium Direct-Supply Peptide.

MassChoose an option

Quantity

1

From$149

Contact to Purchase

Fast, protected deliveryTracked USA shipping with discreet packaging.

Tracked USA delivery

Free shipment protection

Priority shipping available

Verified Test Results

Every batch, independently verified.

Each batch is analyzed by an ISO/IEC 17025 accredited third-party laboratory. The report below reflects the identity, purity and full-panel specification data reported by the lab.

ILSILS LaboratoriesCertificate of Analysis≥99%Purity by HPLC

ISO 17025 Accredited8× Tested

ParameterResultMethodSpecification

Peptide Purity (HPLC)99.92%HPLC>= 95%

Net Peptide Content10.66mgHPLCReport

Identity (HPLC)ConfirmedHPLCMeets spec

AppearanceGoodVisualMeets spec

Fentanyl ScreenNot DetectedImmunoassayPass

Heavy Metals (ICP-MS)Not DetectedICP-MSPass

Sterility (PCR)No GrowthPCRPass

Endotoxin (USP <85>)0.089 EU/mLUSP <85>Reported

Third-Party Verified

Certificate of Analysis

Every lot is HPLC-tested at an ISO/IEC 17025-accredited lab. Open any batch's certificate below.

COA information

Thymosin Alpha-1 10mg

Latest

LOT THA0001

99.92%HPLC purity · meets spec

Labeled: 10mg
Measured: 10.66mg
Identity: Confirmed
Heavy metals: Not Detected
Sterility: No Growth
Endotoxin: 0.089 EU/mL
Tested: Jul 30, 2026

8 assays passed · ISO/IEC 17025 accredited

Compound Information

Technical specifications

MOLECULAR PROFILE

What Is Thymosin Alpha-1?

Synthetic acetylated polypeptide identical to human thymosin alpha-1

Thymic PeptideImmune Modulator

Type: Synthetic acetylated polypeptide
CAS Number: 62304-98-7
Molecular Formula: C129H215N33O55
Molecular Weight: 3108.3 g/mol
Amino Acids: 28
Sequence: Ac-SDAAVDTSSEITTKDLKEKKEVVEEAEN

STORAGE REQUIREMENTS

Stability Information

Store refrigeratedProtect from lightReconstitute with amino h2o

Lyophilized (powder)2-8°Cstable long-term

Reconstituted2-8°C

Product Guides & References

Verified publications and source documentation

WORLD JOURNAL OF VIROLOGY

Thymosin alpha 1: A comprehensive review of the literature

2020DOI: 10.5501/wjv.v9.i5.67PMID: 33362999Dominari A, Hathaway III D, Pandav K, et al.

View Source HEPATOLOGY

Efficacy of thymosin alpha1 in patients with chronic hepatitis B: a randomized, controlled trial

1998PMID: 9581695Chien RN, Liaw YF, Chen TC, et al.

View Source EXPERT OPINION ON BIOLOGICAL THERAPY

Immune Modulation with Thymosin Alpha 1 Treatment

2016PMID: 27450734Tuthill C, Rios I, McBeath R.

View Source BLOOD

Thymosin α1 activates dendritic cell tryptophan catabolism and establishes a regulatory environment for balance of inflammation and tolerance

2006PMID: 16788104Romani L, Bistoni F, Perruccio K, et al.

View Source RXLIST / ZADAXIN PRESCRIBING INFORMATION

Zadaxin (thymalfasin) Drug Information

View Source PUBCHEM

Thymalfasin | C129H215N33O55 | CID 16130571

View Source CLINICAL PHARMACOKINETICS

Pharmacokinetics of thymosin alpha1 after subcutaneous injection of three different formulations in healthy volunteers

1999PMID: 10027483Rost KL, et al.

View Source

DSIP peptide vial

NAD+ peptide vial

All the premium peptides you need, with documented quality and direct-supply support at your fingertips.