GHK-Cu 99.9% Purity — Mai PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this GHK-Cu batch (12/2025) at 99.9% purity via HPLC and mass quantification. However, the tested quantity was significantly lower than labeled (73.8mg vs 100mg, a -26.2% deviation), and endotoxin status is unknown. The test is recent (3-6 months old).
- significant quantity deviation
- no endotoxin test
- Test date
- 2026-02-02
- Testing lab
- LabE
- Batch / lot
- 12/2025
- Quantity
- 73.8mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 6.9
- Label dose
- 100mg
How this result compares
This GHK-Cu certificate's tested purity of 99.90% ranks higher than 73% of the 2433 GHK-Cu certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-02-02 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 39% of our catalogued GHK-Cu certificates.
Mai Peptide has 77 certificates in our corpus, including 9 for GHK-Cu at a median tested purity of 99.90%.
Test report image
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