GHK-Cu 99.8% Purity — Prime PeptidesCertificate of Analysis · Independent third-party lab result
LabE tested this GHK-Cu batch (4072025GK) at 99.83% purity via HPLC and mass quantification. However, the tested quantity (83.6mg) was significantly higher than the labeled quantity (50mg), a deviation of +48.5%. Endotoxin status is unknown, and the test is older (6-12 months). Customers can cross-check on the lab's public verification URL.
- quantity deviation (+48.5%)
- no endotoxin test
- older (6-12 months)
- Test date
- 2025-07-10
- Testing lab
- LabE
- Batch / lot
- 4072025GK
- Quantity
- 83.6mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 5.5
- Label dose
- 50mg
How this result compares
This GHK-Cu certificate's tested purity of 99.83% ranks higher than 52% of the 2433 GHK-Cu certificates with a purity result we have catalogued (median 99.82%).
Tested 2025-07-10 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 6% of our catalogued GHK-Cu certificates.
Prime Peptides has 57 certificates in our corpus, including 6 for GHK-Cu at a median tested purity of 99.83%.
Test report image
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