AI summary Trust: medium Third-party lab

Janoshik tested this LL37 batch at 99.153% purity via HPLC. Quantity was slightly over-labeled by 2.2% (5.11mg tested vs 5mg label). The test is recent (3-6 months old), and customers can cross-check on the lab's public verification URL. Endotoxin status is not reported.

Watch out for
  • no endotoxin test
Test date
2026-01-19
Purity
99.15% 99.153%
Batch / lot
—
Lab
Janoshik
Quantity
label 5mg tested 5.11mg
Qty vs label
+2.2%
Endotoxins
—
Test score
—
Manufacturer
Qingdao Sigma Chemical
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Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Janoshik (public)

✓ Artifact captured

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Method
HPLC
Dose
5mg
Catalogued
2026-04-24
Artifact hash
538d37bdd78e0048…
OCR text

Raw extracted text

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

{"peptide": "LL37", "dose": "5mg", "purity_pct": 99.153, "purity_label": "99.153%", "method": "HPLC", "test_date": "2026-01-19", "client": "Telegram @tracyfromqsc", "notes": "The unretained peak, eluting at the column's void volume, was not included in the purity assessment.", "label_qty": "5mg", "tested_qty": "5.11mg", "quantity_deviation_pct": 2.2, "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.