Tirzepatide 99.8% Purity — Uther PeptideCertificate of Analysis · Independent third-party lab result
This COA was tested by Janoshik, an independent third-party lab. The report indicates 99.78% purity for Uther's 'black caps' Tirzepatide. However, the test method and type are unknown, and the quantity tested showed a significant 10.53% deviation from the label (30mg vs 33.16mg). Endotoxin status is also unknown, and the test is stale (over 1 year old).
- stale (1+ years old)
- no endotoxin test
- vague purity language
- Test date
- 2025-03-19
- Testing lab
- Janoshik
- Batch / lot
- black caps
- Quantity
- 33.16mg
- Endotoxins
- —
- Assay method
- —
How this result compares
This Tirzepatide certificate's tested purity of 99.78% ranks higher than 37% of the 7677 Tirzepatide certificates with a purity result we have catalogued (median 99.83%).
Tested 2025-03-19 by Janoshik. This test is newer than 9% of our catalogued Tirzepatide certificates.
Uther Peptide has 527 certificates in our corpus, including 66 for Tirzepatide at a median tested purity of 99.86%.
Test report image
Third-party community lab
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.