GHK-Cu 99.8% Purity — Uther PeptideCertificate of Analysis · Independent third-party lab result
Janoshik tested this GHK-Cu from utherpeptide.com at 99.8% purity via HPLC. The tested quantity of 118.50mg showed an 18.5% deviation from the 100mg label. The test is recent (under 3 months), but endotoxin status and specific test type are unknown. Customers can cross-check on the lab's public verification URL.
- no endotoxin test
- quantity deviation (18.5%)
- unknown test type
- Test date
- 2026-02-23
- Testing lab
- Janoshik
- Batch / lot
- —
- Quantity
- 118.50 mg
- Endotoxins
- —
- Assay method
- HPLC
- Label dose
- 100mg
How this result compares
This GHK-Cu certificate's tested purity of 99.80% ranks higher than 45% of the 2433 GHK-Cu certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-02-23 by Janoshik via HPLC. This test is newer than 50% of our catalogued GHK-Cu certificates.
Uther Peptide has 524 certificates in our corpus, including 31 for GHK-Cu at a median tested purity of 99.77%.
Janoshik (public)
URL referencedThis entry references an upstream lab URL we crawled. We did not save the artifact, so we can't prove the report still loads as it did when we catalogued it.
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": "100mg",
"purity_pct": 99.8,
"purity_label": "99.800%",
"method": "",
"test_date": "2026-02-23",
"client": "utherpeptide.com",
"notes": "",
"label_qty": "100mg",
"tested_qty": "118.50 mg",
"quantity_deviation_pct": 18.5,
"is_blend": false,
"components_json": "",
"ocr_confidence": 1.0
}