ARA-290 99.8% Purity — Qingdao Sigma ChemicalCertificate of Analysis · Independent third-party lab result
[skipped: off-topic — no tracked compound detected in OCR/peptide field]
- Test date
- 2026-02-27
- Testing lab
- Janoshik
- Batch / lot
- —
- Quantity
- 11.00mg
- Endotoxins
- —
- Assay method
- HPLC
- Label dose
- 10mg
How this result compares
This ARA-290 certificate's tested purity of 99.82% ranks higher than 91% of the 192 ARA-290 certificates with a purity result we have catalogued (median 99.49%).
Tested 2026-02-27 by Janoshik via HPLC. This test is newer than 57% of our catalogued ARA-290 certificates.
Qingdao Sigma Chemical has 510 certificates in our corpus, including 3 for ARA-290 at a median tested purity of 99.82%.
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": "ARA-290", "dose": "10mg", "purity_pct": 99.822, "purity_label": "99.822%", "method": "HPLC", "test_date": "2026-02-27", "client": "Telegram @tracyfromqsc", "notes": "The unretained peak, eluting at the column's void volume, was not included in the purity assessment.", "label_qty": "10mg", "tested_qty": "11.00mg", "quantity_deviation_pct": 10.0, "is_blend": false, "components_json": "", "ocr_confidence": 0.95}