GHK-Cu 99.7% Purity — Hk PeptidesCertificate of Analysis · Independent third-party lab result
LabE tested this GHK-Cu batch at 99.7% purity via HPLC and mass quantification. The tested quantity was significantly higher than the label (159.6mg vs 100mg), and no endotoxin test was performed. The test is recent (under 3 months). Customers can cross-check on the lab's public verification URL.
- no endotoxin test
- quantity deviation (59.6%)
- no batch ID
- Test date
- 2026-03-12
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 159.6mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 4.0
- Label dose
- 100mg
How this result compares
This GHK-Cu certificate's tested purity of 99.70% ranks higher than 29% of the 2433 GHK-Cu certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-03-12 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 55% of our catalogued GHK-Cu certificates.
Hk Peptides has 487 certificates in our corpus, including 48 for GHK-Cu at a median tested purity of 99.90%.
Test report image
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