Repair & Regenerative ≥99.2% purity 2 COAs on file

Thymosin Alpha-1

Ta1 28-residue peptide

A 28-amino-acid acetylated peptide used as a reference standard in immunological cell-culture research.

Select size
$54.97
View COAs
Third-party HPLC-UV and LC-MS on every lot
Ships same day on orders before 3 PM AZ
Batch COA emailed with your dispatch notice
Research use only. Not for human or veterinary use. Not a drug, food or cosmetic. Handle in accordance with your institution's safety protocols.

Thymosin alpha-1 is an N-terminally acetylated 28-residue peptide originally isolated from thymic tissue. Supplied lyophilised from acetate buffer.

Batch release requires ≥98% HPLC-UV purity and confirmed LC-MS identity.

Research context

Used in in-vitro immunology research models. Research use only.

Product name
Thymosin Alpha-1
CAS number
62304-98-7
Molecular formula
C129H215N33O55
Molecular weight
3108.30 g/mol
Sequence
Ac-Ser-Asp-Ala-Ala-Val-Asp-Thr-Ser-Ser-Glu-Ile-Thr-Thr-Lys-Asp-Leu-Lys-Glu-Lys-Lys-Glu-Val-Val-Glu-Glu-Ala-Glu-Asn
Purity
≥99.2%
Appearance
Lyophilised white powder
Solubility
Soluble in sterile or bacteriostatic water
Storage
Store at -20°C, protect from light
Reconstitution
Add bacteriostatic water slowly down the vial wall; swirl gently, do not vortex.
Shipping
Ambient with insulated packaging; lyophilised powder is stable in transit.
Handling
Use appropriate PPE. For laboratory research only — do not administer to humans or animals.
BatchTestedLab PurityIdentity Content
PQX26071119 Jul 01, 2026 Colmaric Analyticals 99% Confirmed Pass Open
PQX26061126 Jun 11, 2026 Freedom Diagnostics 99.36% Confirmed Pass Open

Related products

≥99.1% Featured
Repair & Regenerative

BPC-157

A 15-amino-acid synthetic peptide derived from a sequence found in gastric juice, widely used as a reference standard in tissue-model research.

from $34.97 $41.97 View
≥99% Featured
Repair & Regenerative

TB-500

A synthetic fragment of the thymosin beta-4 protein, used as an actin-binding reference peptide in cytoskeletal research.

from $39.97 View
≥99.5%
Repair & Regenerative

KPV

The C-terminal tripeptide fragment of alpha-MSH, supplied as a high-purity analytical reference material.

from $29.97 View