Tirzepatide 99.8% Purity — Uther PeptideCertificate of Analysis · Independent third-party lab result
Janoshik tested this tirzepatide at 99.796% purity via HPLC. The tested quantity of 18.80mg significantly exceeded the 15mg label, a deviation of over 25%. Endotoxin status is unknown, but the test is recent (3-6 months old). Customers can cross-check on the lab's public verification URL.
- quantity deviation (+25%)
- no endotoxin test
- Test date
- 2026-02-10
- Testing lab
- Janoshik
- Batch / lot
- —
- Quantity
- 18.80mg
- Endotoxins
- —
- Assay method
- HPLC
- Label dose
- 15mg
How this result compares
This Tirzepatide certificate's tested purity of 99.80% ranks higher than 40% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-02-10 by Janoshik via HPLC. This test is newer than 62% of our catalogued Tirzepatide certificates.
Uther Peptide has 524 certificates in our corpus, including 65 for Tirzepatide at a median tested purity of 99.85%.
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": 99.796, "purity_label": "99.796%", "method": "HPLC", "test_date": "2026-02-10", "client": "utherpeptide.com", "notes": "", "label_qty": "15mg", "tested_qty": "18.80mg", "quantity_deviation_pct": 25.33, "is_blend": false, "components_json": "", "ocr_confidence": 0.95}