LL-37 99.2% Purity — Qingdao Sigma ChemicalCertificate of Analysis · Independent third-party lab result
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.
- no endotoxin test
- Test date
- 2026-01-19
- Testing lab
- Janoshik
- Batch / lot
- —
- Quantity
- 5.11mg
- Endotoxins
- —
- Assay method
- HPLC
- Label dose
- 5mg
How this result compares
This LL-37 certificate's tested purity of 99.15% ranks higher than 10% of the 139 LL-37 certificates with a purity result we have catalogued (median 99.78%).
Tested 2026-01-19 by Janoshik via HPLC. This test is newer than 48% of our catalogued LL-37 certificates.
Qingdao Sigma Chemical has 510 certificates in our corpus, including 2 for LL-37 at a median tested purity of 99.52%.
Test report image
Janoshik (public)
Artifact capturedWe have the certificate image (SHA-256 hash captured) — you can verify it loads from the upstream lab and matches the artifact shown here.
Verify on the upstream labOCR 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}