AI summary Trust: medium Third-party lab

Janoshik tested this GHK-Cu batch at 99.749% purity via HPLC. The test is recent (under 3 months) and customers can cross-check on the lab's public verification URL. However, the COA is missing a batch ID, label quantity, and endotoxin test results.

Watch out for
  • no endotoxin test
  • no batch ID
  • no label quantity
Test date
2026-04-20
Purity
99.75% 99.785%; 99.710%; 99.754%.
Batch / lot
—
Lab
Janoshik
Quantity
label — tested 83.81 mg; 83.56 mg; 82.23 mg
Qty vs label
—
Endotoxins
—
Test score
—
Manufacturer
Barn
View vendor dossier
Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Janoshik (public)

✓ Artifact captured

We have the certificate image (SHA-256 hash captured) — you can verify it loads from the upstream lab and matches the artifact below.

Verify on upstream
Method
HPLC
Catalogued
2026-04-24
Artifact hash
03566a3c63d47a6a…
OCR text

Raw extracted text

Extracted via OCR. Names, emails, phone numbers, and street addresses are auto-redacted before display. 

{"peptide": "GHK-Cu", "dose": "", "purity_pct": 99.749, "purity_label": "99.785%; 99.710%; 99.754%.", "method": "HPLC", "test_date": "2026-04-20", "client": "[EMAIL_REDACTED]", "notes": "", "label_qty": "", "tested_qty": "83.81 mg; 83.56 mg; 82.23 mg", "quantity_deviation_pct": null, "is_blend": false, "components_json": "", "ocr_confidence": 0.92}
This COA is part of TitrateLab's community-trust corpus. See more from Barn or learn how trust scores are computed on the methodology page.