GHK-Cu 99.9% Purity — YimeiCertificate of Analysis · Independent third-party lab result
LabE tested this GHK-Cu batch at 99.9% purity via HPLC and mass quantification. Quantity was significantly under-dosed at 42.5mg for a 50mg label (-15% deviation), and endotoxins were reported as low. The test is recent (3-6 months old). Customers can cross-check on the lab's public verification URL.
- significant quantity deviation
- no batch ID
- Test date
- 2026-02-04
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 42.5mg
- Endotoxins
- low
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 5.6
- Label dose
- 50mg
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 2026-02-04 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 40% of our catalogued GHK-Cu certificates.
Yimei has 109 certificates in our corpus, including 15 for GHK-Cu at a median tested purity of 99.90%.
Test report image
Finnrick
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