Batch Verification Report
Batch verification and analytical summary for Testagen.
Manufacturer catalog: M15767
QC release date: 2026-01-06
Amount: As specified on Celvaris product label
Analytical Results
The following analytical data was obtained from manufacturer testing of batch P251206-M15767. Celvaris has independently verified this data against our quality specifications.
| Test | Method | Specification | Result | Status |
|---|---|---|---|---|
| Appearance | Visual | White to off-white powder | Conforms | PASS |
| Identity | MS (ESI) | Consistent with structure | Conforms | PASS |
| Purity | HPLC | ≥ 98.0% | 99.08% | PASS |
| Acetate content | HPLC | < 12.0% | 0.86% | REPORT |
| Residual TFA † | HPLC | Report | 8.28% | REPORT |
| Water content | Karl Fischer | ≤ 10.0% | 2.82% | PASS |
† Residual trifluoroacetate (TFA) is the counter-ion carried over from peptide synthesis and HPLC purification. TFA content is a salt-form characteristic and does not affect the reported HPLC purity.
Parameters not listed above (e.g. residual solvents, bacterial endotoxins, microbial limits) were not included on the manufacturer’s certificate of analysis for this batch and are therefore not reported here.
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 PPE (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. Celvaris does not provide reconstitution instructions.
Additional Documentation:
For questions about this batch or to request additional information, contact [email protected]
All tested parameters conform to specification. No deviations noted.