Batch-tested peptides • Fast U.S. fulfillment • Free shipping over $250
Batch-tested peptides • Fast U.S. fulfillment • Free shipping over $250
You must be 21 years of age or older to access this website.
All products sold on this site are intended exclusively for in-vitro laboratory and scientific research purposes. Products are not intended for human or animal consumption.
By entering this site, you confirm that you are of legal age and agree to our Terms & Conditions.
TB-500 (Thymosin Beta-4) is a synthetic 43-amino acid peptide corresponding to the active region of the naturally occurring thymic protein currently being studied for its interactions with actin-modulating and angiogenesis pathways in controlled laboratory settings. This compound is supplied exclusively for scientific research and is not approved for human or animal consumption.
• In Stock & Ready to Ship from USA
TB-500 (Thymosin Beta-4) is a synthetic 43-amino acid peptide corresponding to the active region of the naturally occurring thymic protein currently being studied for its interactions with actin-modulating and angiogenesis pathways in controlled laboratory settings. This compound is supplied exclusively for scientific research and is not approved for human or animal consumption.
Laboratory: Freedom Diagnostics (USA)
Principal Chemist: Stephen Schmidt
Methods: HPLC with UV Detection + LCMS/MS
Result: 99.883% purity verified
Every lot ships with a published COA documenting purity, identity, and verified peptide content.
Download COA (PDF)TB-500, corresponding to Thymosin Beta-4 (Tβ4), is a synthetic peptide modeled on the naturally occurring 43-amino acid thymic protein first isolated from calf thymus tissue. As a synthetic Thymosin Beta-4 analogue, TB-500 is among the more extensively studied peptides in experimental biology, with a substantial body of preclinical literature exploring its interactions with G-actin sequestration, cell migration signaling, and vascular biology mechanisms.
Current research investigates TB-500 across a range of biological systems, including endothelial cell models, actin dynamics studies, angiogenesis pathway research, and connective tissue biology investigations. Studies conducted in controlled laboratory settings suggest notable activity in actin-binding interactions and downstream cell migration signaling, making it a compound of significant interest in cytoskeletal and vascular biology research.
21 Peptide™ supplies TB-500 exclusively for scientific research purposes. This compound is not approved for human or animal consumption and is not intended for diagnostic, therapeutic, or clinical use.
CAS NO: 77591-33-4
Molecular Formula: C₂₁₂H₃₅₀N₅₆O₇₈S
Molecular Weight: 4963 g/mol
Appearance: White powder
Storage: 2-8°C
Quality Control
Lot Number: 21P-TB500-2602-CLR
Purity: 99.883%
Verified Peptide Content: 5.54 mg
Testing Method: HPLC with UV Detection + LCMS/MS
Testing Laboratory: Freedom Diagnostics
> Search Code: 21Pe2602230196
Analytical Verification
Identity Confirmation: Mass spectrometry confirms the molecular structure of Thymosin Beta-4 (TB-500).
Chromatographic Analysis: HPLC chromatogram verifies peptide purity and separation profile.
Testing Method:
- High-Performance Liquid Chromatography (HPLC)
- Mass Spectrometry (LCMS/MS)
Laboratory:
- Freedom Diagnostics - USA
- Principal Chemist: Stephen Schmidt
