Description
TB-500 is a synthetic acetylated seven-residue peptide corresponding to residues 17–23 of Thymosin Beta-4. It is supplied as a research material for controlled laboratory and analytical applications.
Its defined peptide backbone and N-terminal acetyl modification make it suitable for scientific work involving peptide identity, structural characterization, molecular interactions, analytical comparison, and other non-clinical experimental systems.
Accurate documentation should distinguish the free-base form from acetate-containing preparations because these forms have different reported molecular weights and chemical specifications.
Research Applications
TB-500 may be examined in controlled research environments involving:
- Peptide identity and characterization
- Molecular interaction studies
- Structure-function analysis
- Analytical peptide comparison
- Peptide stability assessment
- Biochemical research systems
- Non-clinical cellular and molecular models
Any observations generated in research models should remain specific to the experimental conditions and should not be interpreted as evidence of therapeutic, recovery-related, clinical, or human-use benefits.
Structural Information
TB-500 free base is represented as:
Ac-Leu-Lys-Lys-Thr-Glu-Thr-Gln-OH
The N-terminal acetyl group is integral to the defined structure.
FDA documentation identifies TB-500 as the N-terminally acetylated 17–23 fragment of Thymosin Beta-4 and separately distinguishes its free-base and acetate-associated forms.
Analytical Identification
Relevant analytical characterization may include:
- Sequence confirmation
- Molecular mass assessment
- N-terminal acetylation verification
- Chromatographic purity testing
- Structural characterization
- Lot-specific quality analysis
The exact material form should be confirmed from the applicable Certificate of Analysis.
Specifications & Documentation
Lot-specific records should be reviewed for:
- Compound identity
- Peptide sequence
- Molecular formula
- Molecular weight
- Salt or counter-ion form
- Purity specification
- Analytical testing
- Lot or batch identification
- Certificate of Analysis
- Storage requirements
Storage & Handling
Store according to the conditions specified on the product label and Certificate of Analysis. Protect the material from environmental conditions that could compromise peptide integrity.
Follow established laboratory procedures appropriate for research peptides.
Research Use Only
TB-500 is supplied exclusively for laboratory research, analytical testing, and scientific reference purposes.
Disclaimer
For research use only. Not for human or veterinary use. Not intended for consumption, administration, recovery-related use, diagnosis, treatment, mitigation, cure, or prevention of any disease. No therapeutic, medical, regenerative, or clinical claims are made or implied. Product information is supplied solely for scientific identification, documentation, and research reference.

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