Description
TB-500 10MG
TB-500 10mg (Thymosin Beta-4) is a COA-verified research peptide, third-party tested for purity by HPLC and LC-MS and supplied as a lyophilized reference standard for laboratory research use only. Each lot is independently analyzed and traceable to its own Certificate of Analysis.
HPLC & LC-MS Verified
≥ 99.0% Purity
Batch COA Available
Technical Specifications
| Chemical Designation | TB-500 (Thymosin Beta-4; synthetic 43-residue peptide) |
| CAS Registry Number | 77591-33-4 |
| Molecular Formula | C₂₁₂H₃₅₀N₅₆O₇₈S |
| Molecular Mass | 4963.44 g/mol |
| Peptide Class | Synthetic 43-residue peptide (Thymosin Beta-4) |
| Analytical Testing | Purity determined via High-Performance Liquid Chromatography (HPLC) and Liquid Chromatography–Mass Spectrometry (LC-MS) |
| Physical Appearance | Uniform white lyophilized powder |
Composition & Handling
TB-500 is a synthetic 43-residue peptide (Thymosin Beta-4) supplied as a lyophilized reference standard for in-vitro analytical use. Not for use in any living organism.
- Supplied as a 10 mg lyophilized cake / powder in a hermetically sealed sterile glass vial.
- Store the lyophilized powder at -20°C; protect from light and moisture.
- Handling by qualified laboratory personnel only.
Third-Party Testing & Certificate of Analysis
Every lot of TB-500 is submitted to an independent third-party laboratory and analyzed for identity and purity by HPLC and LC-MS. Results are documented on a per-batch Certificate of Analysis with a unique lot number, making each batch independently traceable to its analytical record. The COA for the current lot is available on our Certificates of Analysis page, and the full research catalog can be viewed in the RNXResearch shop.
Frequently Asked Questions
Is TB-500 10mg third-party tested?
Yes. Every lot is analyzed by an independent third-party laboratory for identity and purity using HPLC and LC-MS, and the results are recorded on a per-batch Certificate of Analysis.
Is TB-500 the same as Thymosin Beta-4?
TB-500 is a synthetic 43-residue peptide corresponding to Thymosin Beta-4 (CAS 77591-33-4). It is supplied as a lyophilized reference standard for laboratory research use only.
How is the purity of TB-500 determined?
Purity is measured by High-Performance Liquid Chromatography (HPLC), and identity is confirmed by Liquid Chromatography–Mass Spectrometry (LC-MS). The figures for the current lot are reported directly on its Certificate of Analysis.
How is TB-500 10mg supplied and stored?
It is supplied as a 10 mg lyophilized powder in a hermetically sealed sterile glass vial. The lyophilized powder should be stored at -20°C and protected from light and moisture.
What is TB-500 intended for?
TB-500 is supplied strictly as a reference standard for in-vitro laboratory research and analytical use only. It is not for human or animal consumption and not for diagnostic, therapeutic, or clinical use.
Laboratory Research Use Only
This material is synthesized, distributed, and intended solely for in-vitro laboratory research and analytical reference purposes. It is not a drug, food, cosmetic, or dietary supplement. Not for human or animal consumption. Not for diagnostic, therapeutic, or clinical use. By purchasing, the buyer affirms they are a qualified researcher and will handle this material in compliance with all applicable laws and regulations.
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