AI summary Trust: medium Third-party lab

Janoshik tested this tirzepatide at 99.875% purity via HPLC. Quantity was 51.11mg against a 50mg label (2.22% deviation). The test is recent (3-6 months old). While a public verification URL is available, the COA lacks an endotoxin test and a specific batch ID, and the client is listed as a Telegram channel.

Watch out for
  • no endotoxin test
  • vendor-submitted sample
  • no batch ID
Test date
2025-12-15
Purity
99.88% 99.875%
Batch / lot
—
Lab
Janoshik
Quantity
label 50mg tested 51.11mg
Qty vs label
+2.2%
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
50mg
Catalogued
2026-04-24
Artifact hash
cbb842b3cf0ddc47…
OCR text

Raw extracted text

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

{"peptide": "Tirzepatide", "dose": "50mg", "purity_pct": 99.875, "purity_label": "99.875%", "method": "HPLC", "test_date": "2025-12-15", "client": "Telegram @tracyfromqsc", "notes": "", "label_qty": "50mg", "tested_qty": "51.11mg", "quantity_deviation_pct": 2.22, "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.