Batch Verification Report
Batch verification and analytical summary for Thymosin Beta-4 (TB-500).
Molecular weight: 4963.71
Recommended retest date: 27 Aug 2027
Amount: As specified on Aventris product label
Analytical Results
The following analytical data was obtained from manufacturer testing of batch P250821-A014. Aventris has independently verified this data against our quality specifications. This Batch Verification Report summarises our review findings.
| Test | Method | Specification | Result |
|---|---|---|---|
| Appearance | Visual | White powder | Conforms |
| Identity | MS (ESI) | Conforms to reference | Conforms |
| Purity | HPLC | ≥ 99.0% | 99.04% |
| Acetate content | HPLC | < 14.0% | 1.71% |
| Water content | Karl Fischer | ≤ 10.0% | 7.65% |
| Peptide content (N%) | Elemental nitrogen | ≥ 80.0% | 93.41% |
| Mass balance | Calculated | 95.0–105.0% | 102.77% |
Storage & Handling
Storage Conditions:
- Store at -20°C or below in original sealed vial
- Protect from light and moisture
- Do not freeze-thaw repeatedly once reconstituted
- Recommended shelf life: 24 months when stored properly
General Laboratory Handling:
- Handle using standard laboratory safety practices
- Wear appropriate personal protective equipment (gloves, lab coat, safety glasses)
- Use in well-ventilated area or fume hood
- Avoid inhalation, ingestion, or skin/eye contact
- Wash hands thoroughly after handling
Reconstitution:
Reconstitution methods, diluents, and working concentrations must be determined by qualified researchers
according to their specific experimental protocols and institutional guidelines. Aventris does not provide
reconstitution instructions.
Additional Documentation:
For questions about this batch or to request additional information, contact
[email protected]
Note: Any deviations from the above specification, if present, will be explicitly noted. In the absence of such notes, all parameters conform to the stated limits.