Verified
Reference-grade quality
Shipping to mainland EU took 3 working days, tracked the whole way. Vials arrived intact, labels crisp, seals unbroken. Reordering next month.
James H.London, UK · 16 Apr 2026
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Peptides
Immune Research
In stockThymosin Alpha-1
5 mg · ≥99% purity
4.9
Thymic peptide for immune-modulation research.
£59.99GBP
£59.99 per vial · Tax calculated at checkout · Free tracked UK & EU shipping over £50
Bundle & saveVolume discount applied automatically
1
We accept
≥99% purity
3rd-party HPLC
CoA per batch
Fast UK shipping
Quality guarantee
Every batch is independently HPLC assayed. Certificate of Analysis available on request.
Every UK order includes — free
- ✓Batch certificate of analysis (HPLC)
- ✓Discreet, unbranded packaging
- ✓Tracked delivery — free on orders over £50
Full refund
if a batch is off-spec
Free reship
if lost or damaged in transit
Same-day dispatch
Mon–Fri, order before 12:00 UK
Research use only
for laboratory work
Analytical data
Specifications, documented.
Identity data cross-checked against PubChem; purity taken from the batch certificate of analysis.
CompoundThymosin Alpha-1
Also known asThymalfasin
Molecular formulaC₁₂₉H₂₁₅N₃₃O₅₅
Molecular weight3108.32 g/mol
CAS number62304-98-7
PubChem CID16130571
FormLyophilised powder, sealed glass vial
SolubilityBacteriostatic or sterile water
Storage−20 °C lyophilised, protected from light
About this compound
Thymosin Alpha-1
Acetylated 28-residue thymic peptide
First disclosed
1977
Thymosin alpha-1 (thymalfasin) is a 28-amino-acid N-acetylated peptide originally isolated from thymic tissue. It is a reference compound in T-cell maturation and immune-signalling research.
Studied in vitro for Toll-like-receptor and T-cell signalling pathways.
Research areas
T-cell signallingToll-like receptor pathwaysImmune-modulation models
Research literature
Research notice: supplied strictly as laboratory research material for in-vitro use. Not for human or veterinary use, and not a medicine, food or cosmetic. This page gives identification and quality information only — no usage instructions or medical advice.
Browse this research area
Thymosin Alpha-1 is a synthetic 28-residue thymic peptide (thymosin α-1), supplied by MyPeptides for laboratory research use only.
Thymosin Alpha-1 is a synthetic 28-residue thymic peptide (thymosin α-1). MyPeptides supplies it as a lyophilised 5 mg vial for in vitro laboratory research, HPLC assayed at ≥99% purity with a signed certificate of analysis on every batch.
Researchers reach for Thymosin Alpha-1 in immune-modulation and T-cell research. It is offered strictly for laboratory investigation — no personal-use claims, no dosing guidance, and no framing as a medicine.
The point of buying research grade rather than generic material is documentation. Every Thymosin Alpha-1 order carries lot-specific HPLC and mass-spec data, so the compound in your protocol matches the compound named on the paperwork. Matches the sequence of the naturally occurring thymic hormone.
Thymosin Alpha-1 — frequently asked questions
Straight answers on purity, handling, dispatch and research use.
What is Thymosin Alpha-1?
Thymosin Alpha-1 is a synthetic 28-residue thymic peptide (thymosin α-1), supplied by MyPeptides as a lyophilised research vial for laboratory research use only.
What is Thymosin Alpha-1 used for in research?
In cited literature, Thymosin Alpha-1 is studied in immune-modulation and T-cell research. It is not a medicine and is not intended for human or veterinary use.
What purity is MyPeptides Thymosin Alpha-1?
Every batch is third-party HPLC assayed at ≥99% purity. A signed certificate of analysis is available on request after checkout.
How is Thymosin Alpha-1 reconstituted and stored?
Ships lyophilised in a sealed borosilicate vial. Store at −20 °C; reconstitute with bacteriostatic or sterile water immediately before in vitro use.
Do you ship Thymosin Alpha-1 to the UK and EU?
Yes — tracked Royal Mail and DPD dispatch across the UK and EU, with free shipping on orders over £50. Weekday orders placed before 12:00 UK time ship the same day.
Thymosin Alpha-1 reviews
Verified feedback from qualified researchers across the UK & EU.
5.0(6 reviews)
Swipe
Verified
Reference-grade quality
Shipping to mainland EU took 3 working days, tracked the whole way. Vials arrived intact, labels crisp, seals unbroken. Reordering next month.
James H.London, UK · 16 Apr 2026
Verified
Professional service end to end
Everything about this feels professional - from the site to the packaging to the paperwork. Purity assay matches what is on the label. Will keep ordering.
Daniel B.Milan, IT · 24 Apr 2026
Verified
Arrived quickly, well protected
Really impressed with the packaging quality. Everything double-boxed, insulated and clearly labelled. Same day dispatch worked as promised.
Ethan W.Dublin, IE · 14 Jul 2026
Verified
Consistent batch to batch
Third order from MyPeptides. Purity and appearance are consistent across batches. The paperwork is genuinely useful - mass, structure and CAS all included.
Amelia S.Edinburgh, UK · 26 May 2026
Verified
Quality packaging, quick dispatch
Documentation is what sold me. Independent CoA per batch, clean HPLC traces. Reconstitution behaved exactly as expected. Solid supplier for research use.
Isabella G.Lisbon, PT · 29 Apr 2026
Verified
Exactly as described
Clean product, no discoloration, correct fill. Certificate of analysis was in the box AND emailed. Very straightforward experience.
Oliver K.Manchester, UK · 20 Mar 2026
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