GHK-Cu 99.8% Purity — Qingdao Sigma ChemicalCertificate of Analysis · Independent third-party lab result
GHK-Cu by QSC (Clear cap+Silver band) achieves 99.846% purity with 3.3% underfill (48.35mg vs 50mg ordered). Third-party tested by Janoshik on 2025-11-25.
- Test date
- 2025-11-25
- Testing lab
- QSC
- Batch / lot
- Clear cap+Silver band
- Quantity
- 48.35 mg
- Endotoxins
- —
- Assay method
- —
- Label dose
- 50mg
How this result compares
This GHK-Cu certificate's tested purity of 99.85% ranks higher than 55% 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%.
Test report image
Community submission
Artifact capturedSubmitted by distilled-oryx-12 +459
We have the certificate image — you can verify it loads from the upstream lab and matches the artifact shown here.
OCR text Raw extracted text
Extracted via OCR. Names, emails, phone numbers, and street addresses are auto-redacted before display.
TEST REPORT JANOSHIK E-mail: [EMAIL_REDACTED] Web: www.janoshik.com Task Number #89872 Testing ordered > 13 NOV '25 Sample received > 21 NOV '25 Client Telegram @tracyfromqsc Sample GHK CU 50mg Manufacturer QSC [NAME_REDACTED] cap+Silver band Sample description > See picture or pictures attached. Tests requested > Assessment of a peptide vial or vials. Results > GHK-Cu 48.35 mg Purity 99.846% Comments > Analysis conducted > 25 NOV 2025 Signature > Verify this test at www.janoshik.com/verify/ with the following unique key EP4QIRBYZC47