GHK-Cu 99.9% Purity — Hk PeptidesCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabE. It reports 99.87% purity for GHK-Cu via HPLC and mass quantification. The tested quantity was 58.4mg against a 50mg label, a deviation of +16.8%. Endotoxin status is not applicable, and the test is older (6-12 months).
- older (6-12 months)
- no endotoxin test
- Test date
- 2025-08-04
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 58.4mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 5.3
- Label dose
- 50mg
How this result compares
This GHK-Cu certificate's tested purity of 99.87% ranks higher than 61% of the 2433 GHK-Cu certificates with a purity result we have catalogued (median 99.82%).
Tested 2025-08-04 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 8% 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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