Tirzepatide 99.9% Purity — Uther PeptideCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, Janoshik. The report indicates 99.863% purity for Uther's Tirzepatide (batch 'black caps'), but the test method is unknown. The tested quantity was 33.18mg against a 30mg label, a deviation of +10.6%. Endotoxin status is unknown, and the test is stale (over 1 year old).
- stale (1+ years old)
- no endotoxin test
- unknown test method
- Test date
- 2025-03-19
- Testing lab
- Janoshik
- Batch / lot
- black caps
- Quantity
- 33.18mg
- Endotoxins
- —
- Assay method
- —
How this result compares
This Tirzepatide certificate's tested purity of 99.86% ranks higher than 60% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2025-03-19 by Janoshik. This test is newer than 10% 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
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.