GHK-Cu 99.9% Purity — Qing Li PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this GHK-Cu batch (Jan 6, 2026) at 99.9% purity via HPLC and mass quantification. However, the tested quantity was significantly under-dosed at 78mg against a 100mg label, a 22% deviation. Endotoxin status is unknown, and the test is recent (under 3 months). Customers can cross-check on the lab's public verification URL.
- significant quantity deviation
- no endotoxin test
- Test date
- 2026-03-02
- Testing lab
- LabE
- Batch / lot
- Jan 6, 2026
- Quantity
- 78mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.0
- 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 2026-03-02 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 52% of our catalogued GHK-Cu certificates.
Qing Li Peptide has 348 certificates in our corpus, including 35 for GHK-Cu at a median tested purity of 99.90%.
Test report image
Finnrick
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