Overview

Compound: TB-500 

Full Name: Thymosin Beta-4

Molecular Weight: 4,963.44g/mol

Molecular Formula: C₂₁₂H₃₅₀N₅₆O₇₈S

CAS Number: 885340-08-9

Purity (HPLC): 99.8%

Mass Confirmation: LC-MS confirmed

Form: Lyophilised powder

Storage: -20°C lyophilised, 24 months

Research use only. Not for human or veterinary consumption. By purchasing you confirm you are 18 or over and understand the research-use-only nature of this product.

Product Description

TB-500 is a lab-made peptide based on a small fragment of thymosin beta-4, a protein your body already makes and uses in almost every cell type. It's built to isolate and study one specific part of that larger protein — the region responsible for its core biological activity. Because it's a small, well-defined fragment, researchers can study it consistently across cell cultures and animal models.

In lab studies, TB-500 appears to act primarily by regulating actin, a protein that governs how cells move and change shape. In cell culture models, this has been associated with increased cell migration rates, along with reported changes in markers of angiogenesis and inflammatory signalling. As with other research peptides, what's actually observed depends heavily on the cell type, concentration, and experimental setup — which is why TB-500 is studied as a model for cell migration and signalling pathways, rather than treated as a compound with one settled, well-defined effect.

Certificates of Analysis

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