Tirzepatide 99.1% Purity — Peptide CraftersCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabC. The report indicates 99.13% purity for Tirzepatide batch PC-J-T15 via HPLC. The tested quantity of 18.42mg significantly deviates from the 15mg label, showing a +22.4% difference. Endotoxin status is unknown, and the test is stale (over 1 year old).
- stale (1+ years old)
- no endotoxin test
- significant quantity deviation
- Test date
- 2025-02-28
- Testing lab
- LabC
- Batch / lot
- PC-J-T15
- Quantity
- 18.42mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 4.2
- Label dose
- 15mg
How this result compares
This Tirzepatide certificate's tested purity of 99.13% ranks higher than 5% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2025-02-28 by LabC via HPLC + mass quantification + endotoxins. This test is newer than 9% of our catalogued Tirzepatide certificates.
Peptide Crafters has 113 certificates in our corpus, including 22 for Tirzepatide at a median tested purity of 99.69%.
Test report image
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