Tirzepatide 99.8% Purity — PeptiatlasCertificate of Analysis · Independent third-party lab result
Janoshik tested this tirzepatide from Peptiatlas at 99.81% purity via HPLC. The tested quantity of 22.86mg showed a significant 14.3% deviation from the 20mg label. Endotoxin status is unknown, but the test is recent (under 3 months). Customers can cross-check on the lab's public verification URL.
- no endotoxin test
- quantity deviation (14.3%)
- Test date
- 2026-04-14
- Testing lab
- Janoshik
- Batch / lot
- —
- Quantity
- 22.86mg
- Endotoxins
- —
- Assay method
- HPLC
- Label dose
- 20mg
How this result compares
This Tirzepatide certificate's tested purity of 99.81% ranks higher than 47% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-04-14 by Janoshik via HPLC. This test is newer than 76% of our catalogued Tirzepatide certificates.
Peptiatlas has 10 certificates in our corpus, including 6 for Tirzepatide at a median tested purity of 99.83%.
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": "20mg", "purity_pct": 99.81, "purity_label": "99.810%", "method": "HPLC", "test_date": "2026-04-14", "client": "[EMAIL_REDACTED]", "notes": "", "label_qty": "20mg", "tested_qty": "22.86mg", "quantity_deviation_pct": 14.3, "is_blend": false, "components_json": "", "ocr_confidence": 0.98}