Batch Verification Report
Batch verification and analytical summary for GHK-Cu (Copper Peptide).
Manufacture date: 28 Oct 2025
Recommended retest date: 27 Oct 2027
Molecular weight: 401.91 Da
Molecular formula: C₁₄H₂₂N₆O₄Cu
Analytical Results
The following analytical data was obtained from manufacturer testing of batch P251028-C010. Aventris has independently verified this data against our quality specifications. This Batch Verification Report summarises our review findings.
| Test | Method | Specification | Result |
|---|---|---|---|
| Appearance | Visual | Blue powder | Conforms |
| Identity | MS (ESI) | 401.91 ± 1 | Conforms |
| Purity | HPLC | ≥ 98.0% | 99.95% |
| Copper content | Assay | 8.0 – 16.0% | 14.3% |
| Peptide content (N%) | Nitrogen analysis | ≥ 80.0% | 86.6% |
| Water content | Karl Fischer | ≤ 8.0% | 5.6% |
| Acetic acid | Assay | ≤ 2.5% | 0.46% |
| pH | pH meter | 6.0 – 8.0 | 7.1 |
| Solubility (H₂O) | Visual | ≥ 100 mg/mL | Conforms |
| Element | Method | Specification | Result |
|---|---|---|---|
| Lead (Pb) | ICP-MS | ≤ 10 mg/kg | < 10 mg/kg |
| Arsenic (As) | ICP-MS | ≤ 2 mg/kg | < 2 mg/kg |
| Mercury (Hg) | ICP-MS | ≤ 1 mg/kg | < 1 mg/kg |
| Cadmium (Cd) | ICP-MS | ≤ 5 mg/kg | N.D. |
| Test | Method | Specification | Result |
|---|---|---|---|
| Total plate count | Plate count | ≤ 1000 CFU/g | < 10 CFU/g |
| Yeast & mould | Plate count | ≤ 100 CFU/g | < 10 CFU/g |
Storage & Handling
Storage Conditions:
- Store at -20°C or below in original sealed container
- Protect from light and moisture
- Allow to equilibrate to room temperature before opening
- 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
Peptide Information:
Sequence: Gly-His-Lys·Cu²⁺
Structure: Tripeptide copper complex
Note: Blue colour is characteristic of copper (II) complexation
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.