Tirzepatide 99.5% Purity — LowBatteryCertificate of Analysis · Independent third-party lab result
Janoshik tested this tirzepatide COA, showing 99.528% purity via HPLC. The tested quantity was 16.96mg against a 15mg label, a deviation of +13.07%. However, the report notes that a different peptide (retatrutide) was detected in vial A instead of tirzepatide. The test is stale (over 1 year old). Customers can cross-check on the lab's public verification URL.
- stale (1+ years old)
- no endotoxin test
- different peptide detected
- Test date
- 2025-04-16
- Testing lab
- Janoshik
- Batch / lot
- —
- Quantity
- 16.96mg
- Endotoxins
- —
- Assay method
- HPLC
- Label dose
- 15mg
How this result compares
This Tirzepatide certificate's tested purity of 99.53% ranks higher than 14% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2025-04-16 by Janoshik via HPLC. This test is newer than 12% of our catalogued Tirzepatide certificates.
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": "Tirzepatide", "dose": "15mg", "purity_pct": 99.528, "purity_label": "99.5280%", "method": "HPLC", "test_date": "2025-04-16", "client": "LowBattery", "notes": "Different peptide detected in vial A \u2013 retatrutide. Tirzepaptide not detected as expected; only 16.96 mg measured instead of labeled 15mg, but with high purity of detected compound.", "label_qty": "15mg", "tested_qty": "16.96mg", "quantity_deviation_pct": 13.07, "is_blend": false, "components_json": "", "ocr_confidence": 0.92}