GHK-Cu 99.4% Purity — crystalpeptides.euCertificate of Analysis · Independent third-party lab result
Janoshik tested this GHK-Cu from crystalpeptides.eu, showing 99.409% purity. The tested quantity was 51.96mg, a 3.92% deviation from the 50mg label. The test is recent (3-6 months old), and a verification URL is available. However, the test method and endotoxin status are not specified on the report.
- no endotoxin test
- vague purity language
- Test date
- 2025-12-08
- Testing lab
- Janoshik
- Batch / lot
- —
- Quantity
- 51.96 mg
- Endotoxins
- —
- Assay method
- —
- Label dose
- 50mg
How this result compares
This GHK-Cu certificate's tested purity of 99.41% ranks higher than 10% of the 2433 GHK-Cu certificates with a purity result we have catalogued (median 99.82%).
Tested 2025-12-08 by Janoshik. This test is newer than 25% of our catalogued GHK-Cu certificates.
crystalpeptides.eu has 29 certificates in our corpus, including 2 for GHK-Cu at a median tested purity of 99.55%.
Test report image
Janoshik (public)
Artifact capturedWe have the certificate image (SHA-256 hash captured) — you can verify it loads from the upstream lab and matches the artifact shown here.
Verify on the upstream labOCR text Raw extracted text
Extracted via OCR. Names, emails, phone numbers, and street addresses are auto-redacted before display.
{
"peptide": "GHK-Cu",
"dose": "50mg",
"purity_pct": 99.409,
"purity_label": "99.409%",
"method": "",
"test_date": "2025-12-08",
"client": "[EMAIL_REDACTED]",
"notes": "",
"label_qty": "50mg",
"tested_qty": "51.96 mg",
"quantity_deviation_pct": 3.92,
"is_blend": false,
"components_json": "",
"ocr_confidence": 1.0
}