Tirzepatide 98.7% Purity — Peptide SciencesCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabE. The report indicates 98.73% purity for Tirzepatide batch TIR7920250124-10 via HPLC. However, the tested quantity was significantly lower than labeled (7.79mg vs 10mg, a -22.1% deviation), and the endotoxin status is unknown. The test is stale, being over a year old.
- stale (1+ years old)
- significant quantity deviation
- no endotoxin test
- Test date
- 2025-05-07
- Testing lab
- LabE
- Batch / lot
- TIR[PHONE_REDACTED]-10
- Quantity
- 7.79mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 4.7
- Label dose
- 10mg
How this result compares
This Tirzepatide certificate's tested purity of 98.73% ranks higher than 3% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2025-05-07 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 14% of our catalogued Tirzepatide certificates.
Peptide Sciences has 273 certificates in our corpus, including 56 for Tirzepatide at a median tested purity of 99.83%.
Test report image
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