Certificate of analysis
GHK-Cu
The independent assay for lot EP-GHK-2605B, the material in the vial you scanned.
Verified lot
Lot EP-GHK-2605B
99.93%
Assayed purity
- Tested
- August 24, 2026
- Laboratory
- Freedom Diagnostics
- Methods
- HPLCLC-MS
A certificate is valid only for its own lot. It records the tests named on it, run on the sample taken from this batch — nothing more. How to read one explains what the purity figure covers and, just as importantly, what it does not.