AI summary Trust: medium Third-party lab

Janoshik tested this PT-141 batch at 99.908% purity via HPLC. The tested quantity was 11.67mg, a 16.7% deviation from the 10mg label. The test is recent (3-6 months old), and customers can cross-check on the lab's public verification URL. However, endotoxin status is unknown, and the batch ID is not specified.

Watch out for
  • no endotoxin test
  • quantity deviation (16.7%)
  • no batch ID
Test date
2026-01-19
Purity
99.91% 99.908%
Batch / lot
—
Lab
Janoshik
Quantity
label 10mg tested 11.67mg
Qty vs label
+16.7%
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.

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Method
HPLC
Dose
10mg
Catalogued
2026-04-24
Artifact hash
bb5b6423341b1b16…
OCR text

Raw extracted text

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

{"peptide": "PT-141", "dose": "10mg", "purity_pct": 99.908, "purity_label": "99.908%", "method": "HPLC", "test_date": "2026-01-19", "client": "Telegram @tracyfromqsc", "notes": "", "label_qty": "10mg", "tested_qty": "11.67mg", "quantity_deviation_pct": 16.7, "is_blend": false, "components_json": "", "ocr_confidence": 0.95}
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.