GHK-Cu 99.8% Purity — Qingdao Sigma ChemicalCertificate of Analysis · Independent third-party lab result
GHK-Cu (Blue Cap, QSC) tested at 99.794% purity with 91.34 mg actual content vs. 100 mg labeled—8.66% under-fill. Janoshik analysis from 25 NOV 2025.
- Test date
- 2025-11-25
- Testing lab
- QSC
- Batch / lot
- [NAME_REDACTED]
- Quantity
- 91.34 mg
- Endotoxins
- —
- Assay method
- —
- Label dose
- 100mg
How this result compares
This GHK-Cu certificate's tested purity of 99.79% ranks higher than 44% of the 2430 GHK-Cu certificates with a purity result we have catalogued (median 99.82%).
Tested 2025-11-25 by QSC. This test is newer than 22% of our catalogued GHK-Cu certificates.
Qingdao Sigma Chemical has 514 certificates in our corpus, including 14 for GHK-Cu at a median tested purity of 99.85%.
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TEST REPORT JANOSHIK E-mail: [EMAIL_REDACTED] Web: www.janoshik.com Task Number #89874 Testing ordered > 13 NOV '25 Sample received > 21 NOV '25 Client Telegram @tracyfromqsc Sample GHK CU 100mg Manufacturer QSC Batch Blue Cap Sample description > See picture or pictures attached. Tests requested > Assessment of a peptide vial or vials. Results > GHK-Cu 91.34 mg Purity 99.794% Comments > Analysis conducted > 25 NOV 2025 Signature > Verify this test at www.janoshik.com/verify/ with the following unique key 7JSHIUYUC714