Tirzepatide 99.8% Purity — Uther PeptideCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, Peptide Test. It reports 99.83% purity for Uther's Tirzepatide batch ZE30-0111 (Green Cap). However, the tested quantity was 17.5% over the labeled 30mg, and endotoxin status is unknown. The test is recent (under 3 months) and a verification URL is available.
- no endotoxin test
- quantity deviation (17.5% over)
- Test date
- 2026-02-20
- Testing lab
- Peptide Test
- Batch / lot
- ZE30-0111 (Green Cap)
- Quantity
- 35.25mg
- Endotoxins
- —
- Assay method
- —
How this result compares
This Tirzepatide certificate's tested purity of 99.83% ranks higher than 51% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-02-20 by Peptide Test. This test is newer than 66% 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%.