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Thymosin beta-4 fragment supplied for laboratory research.
TB-500 is a synthetic peptide fragment associated with thymosin beta-4 research. It is commonly discussed in laboratory contexts involving actin binding, cell migration, tissue-signalling models, and extracellular matrix research pathways.
This product is supplied strictly for lawful research, laboratory, analytical, educational, or R&D purposes where permitted by applicable law. It is not intended for human or animal use.
| Unit | 1 vial (selected size) |
|---|---|
| Physical Appearance | White to off-white lyophilized powder |
| Salt Form | Acetate or batch-specific salt |
| Peptide Purity | Batch-specific; see COA |
| Sequence | Thymosin beta-4/TB-500 style sequence; exact fragment or full-length identity must be verified by batch COA |
| Molecular Mass | 4963.49 g/mol if full-length thymosin beta-4 sequence |
| CAS Number | 77591-33-4 for full-length thymosin beta-4 style material |
| Molecular Formula | C212H350N56O78S for full-length thymosin beta-4 style material |
| Solubility | Soluble in sterile water or bacteriostatic water |
| Storage | Lyophilized: -20 deg C long term; protect from moisture. Prepared solutions: 2-8 deg C short-term laboratory handling. |
| Additional Info | TB-500 naming varies by supplier; verify exact identity against batch COA. Supplied strictly for research use only. |
Upon receiving the lyophilized peptide, store it at 4 °C or colder and away from bright light. Lyophilized peptides are stable at room temperature for weeks, but for longer-term storage, it is safer to store them at -20 °C or colder. Exposure to moisture can greatly decrease long-term stability. Before opening a container stored in cold conditions, allow it to equilibrate to room temperature first to reduce moisture uptake from the surrounding atmosphere.
Peptides in lyophilized form are supplied in glass vials by standard shipping methods and do not require refrigeration. Short-term temperature fluctuations during transport do not reduce their quality or stability. Even at high summer temperatures, peptides in lyophilized form remain stable for several weeks.
The shelf life of peptide solutions is limited. Freezing aliquots can help prolong storage life. In general, peptide solutions are commonly stored for around 3 or more weeks at +4 °C and around 3-4 months at -20 °C. Avoid repeated freeze-thaw cycles, as this can degrade peptides.
Research use only. For lawful laboratory research and analytical use where permitted by law. Not for human or animal use.
Research-use access
Adria Peptides products are supplied strictly for lawful research, laboratory, analytical, educational, or R&D purposes where permitted by applicable law.