AI summary Trust: medium Third-party lab

Janoshik tested this tirzepatide for Cocer Peptides, showing 99.825% purity via HPLC. The tested quantity of 33.17mg was 10.6% over the 30mg label. The test is recent (3-6 months old), and customers can cross-check on Janoshik's public verification URL. However, endotoxin status is unknown, and no batch ID was reported.

Watch out for
  • no endotoxin test
  • quantity deviation (10%+)
  • no batch ID
Test date
2026-01-16
Purity
99.83% 99.825%
Batch / lot
—
Lab
Janoshik
Quantity
label 30mg tested 33.17 mg
Qty vs label
+10.6%
Endotoxins
—
Test score
—
Manufacturer
cocerpeptides.com
View vendor dossier
Peptides on this report
Tirzepatide
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
30mg
Catalogued
2026-04-16
Artifact hash
17a17ef02c47a39a…
OCR text

Raw extracted text

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

{
  "peptide": "Tirzepatide",
  "dose": "30mg",
  "purity_pct": 99.825,
  "purity_label": "99.825%",
  "method": "HPLC",
  "test_date": "2026-01-16",
  "client": "Cocer Peptides",
  "notes": "",
  "label_qty": "30mg",
  "tested_qty": "33.17 mg",
  "quantity_deviation_pct": 10.566666666666666,
  "is_blend": false,
  "components_json": "",
  "ocr_confidence": 1.0
}
This COA is part of TitrateLab's community-trust corpus. See more from cocerpeptides.com or learn how trust scores are computed on the methodology page.