Thymosin alpha-1

A 28-amino-acid thymic peptide (thymalfasin) from immunomodulation research.

Thymosin alpha-1 · 5 mg · Lyophilised vial

peptide · also known as Thymalfasin

Thymosin alpha-1

A 28-amino-acid thymic peptide (thymalfasin) from immunomodulation research.

€ 40.00per vial, EUR

In stock

Presentation2 options

5 mg · Lyophilised vial€ 40.00 10 mg · Lyophilised vial€ 70.00

Lyophilised powder in a sealed glass vial

Storage: -20 °C for long-term storage; 2 to 8 °C for under three months; away from light

Tracked shipping EUR 9.95 per order. Benelux 1 to 2 business days, Germany and France 2 to 3, rest of Europe 3 to 5. Details

Batch certificate: not yet published online. Request one for this presentation.

Research use only. Not for human or veterinary use.

What it is

Thymosin alpha-1 is a naturally occurring acetylated peptide originally isolated from thymic tissue. It has been used clinically as thymalfasin in some countries and is a reference compound in innate and adaptive immunity research.

Where it has been studied

Dendritic cell and T-cell activation
Toll-like receptor signalling
Infection and vaccine-adjuvant models

Selected literature

Thymosin alpha-1Ancell CD et al. · Am J Health Syst Pharm, 2001 · PMID 11381492
Aging and Thymosin Alpha-1Simonova MA et al. · Int J Mol Sci, 2025 · PMID 41373628
Thymosin alpha-1 treatment in chronic hepatitis BWu X et al. · Expert Opin Biol Ther, 2015 · PMID 25640173

PubMed records selected for relevance to the compound. They describe published research, not outcomes or uses.

Specifications

Compound	Thymosin alpha-1 (Thymalfasin)
Type	Peptide
Selected presentation	5 mg · Lyophilised vial
Form	Lyophilised powder in a sealed glass vial
Fill volume and concentration	Not applicable (lyophilised)
Label	CELVIVE wordmark, compound name, amount, "Purity: >99%", "For research use only"
Storage	-20 °C for long-term storage; 2 to 8 °C for under three months; away from light
Certificate of analysis	Not yet published online. Request for a batch
Research areas	Immune & signalling
All presentations	5 mg lyophilised vial · € 40.00 10 mg lyophilised vial · € 70.00

Handling

Lyophilised peptides tolerate room temperature for several weeks in transit. Move to cold storage on receipt.
Reconstituted vials are typically used within three to four weeks at 2 to 8 °C; stability varies by compound.
Opened or unsealed vials cannot be returned. Transit damage must be documented within 24 hours.

Storage and stability FAQ