Thymosin Alpha-1: Research overview, identity, and laboratory handling guide

Acetylated 28-residue thymic peptide studied in vitro for immune-cell signaling and cytokine-pathway research. ≥99% HPLC. Research use only. This guide covers identity, published research context, procurement checks, and storage — RUO only, no clinical claims.

What Thymosin Alpha-1 is in published research

Thymosin Alpha-1 is an N-acetylated 28-residue peptide derived from prothymosin alpha. It is used in laboratory studies of immune-cell signaling, dendritic-cell markers, and cytokine pathway modulation.

Lot-level MS identity verifies the N-terminal acetylation and full 28-residue sequence. HPLC purity and net peptide content are provided for controlled stock preparation.

Hold sealed lyophilized vials at -20 °C protected from light. Reconstitute with bacteriostatic water or compatible lab buffer, aliquot, and freeze working stocks.

CoA includes MS identity, HPLC purity, and net peptide content. Batch records are retained by lot.

The material class "Thymic peptide (research)" helps procurement teams group Thymosin Alpha-1 with related reference peptides during comparative studies.

Sequence and identity

Thymosin Alpha-1 identity on the catalog: Common name: Thymosin Alpha-1 / Tα1; 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-OH; Length: 28 residues; Molecular formula: C129H215N33O55; Molecular weight: 3,108.3 g/mol; Appearance: White lyophilized powder; Purity (HPLC): ≥ 99%; Net peptide: Listed on CoA; Solubility: Soluble in bacteriostatic water. Copy these into receiving and LIMS before reconstitution.

Mechanisms studied in published research

Mechanism-focused research on Thymosin Alpha-1 is typically conducted in cell lines or biochemical preparations that express the relevant receptor or binding protein for its class.

Design controls that include scrambled-sequence or orthogonal-receptor negative controls when your protocol evaluates Thymosin Alpha-1 pharmacology in vitro.

Report effect sizes with lot number and CoA reference so results can be reproduced if the same Thymosin Alpha-1 SKU is reordered later.

Avoid extrapolating in vitro binding or signaling readouts to whole-organism outcomes; RUO materials are not qualified for clinical investigation.

Procurement and identity verification

Request the lot-specific CoA for Thymosin Alpha-1 at receipt. Verify SKU, variant size if applicable, and identity mass before the lot enters general storage.

Compare HPLC purity to your internal minimum for the peptide family. File chromatogram excerpts when your QMS requires raw data.

Enter net peptide content from the CoA into inventory before calculating molarity for Thymosin Alpha-1 working stocks.

Attach purchase order, packing list, and CoA in one audit folder per lot.

Storage and reconstitution

Store lyophilized Thymosin Alpha-1 sealed at -20 °C protected from light unless the CoA states otherwise.

Reconstitute with bacteriostatic water or a buffer validated for your assay pH. Aliquot to limit freeze-thaw.

For oxidation-sensitive sequences in Thymosin Alpha-1, minimize open-vial time at room temperature during weighing.

See our lyophilized storage guide for institution-scale SOP examples and aliquot labeling conventions.

Comparative reference points

Researchers comparing Thymosin Alpha-1 with adjacent catalog references often evaluate the following SKUs in parallel plates:

Use matched reconstitution buffers and stock concentrations when running comparative binding or signaling assays.