AI summary Trust: medium Third-party lab

Janoshik tested this GHK-Cu at 99.987% purity via HPLC. The tested quantity of 85.42mg showed a significant deviation of +13.89% from the 75mg label. Endotoxin status is unknown, and the test is stale (over a year old). Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • stale (1+ years old)
  • quantity deviation (+13.89%)
Test date
2024-11-29
Purity
99.99% 99.987%
Batch / lot
Lab
Janoshik
Quantity
label 75mg tested 85.42mg
Qty vs label
+13.9%
Endotoxins
Test score
Manufacturer
Qingdao Sigma Chemical
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
Dose
75mg
Catalogued
2026-04-24
Artifact hash
05126470762c9be5…
OCR text

Raw extracted text

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

{"peptide": "GHK-Cu", "dose": "75mg", "purity_pct": 99.987, "purity_label": "99.987%", "method": "HPLC", "test_date": "2024-11-29", "client": "Qingdao Sigma Chemical Co., ltd", "notes": "", "label_qty": "75mg", "tested_qty": "85.42mg", "quantity_deviation_pct": 13.89, "is_blend": false, "components_json": "", "ocr_confidence": 0.98}
This COA is part of TitrateLab's community-trust corpus. See more from Qingdao Sigma Chemical or learn how trust scores are computed on the methodology page.