Tirzepatide 99.8% Purity — Qing Li PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this tirzepatide batch (Jan.2,2026) at 99.83% purity via HPLC. The tested quantity was 16.6mg against a 15mg label, a deviation of +10.7%. Endotoxin status is unknown. The test is recent (under 3 months) and customers can cross-check on the lab's public verification URL.
- no endotoxin test
- quantity deviation (+10.7%)
- Test date
- 2026-02-11
- Testing lab
- LabE
- Batch / lot
- Jan.2,2026
- Quantity
- 16.6mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 8.2
- Label dose
- 15mg
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 2026-02-11 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 62% of our catalogued Tirzepatide certificates.
Qing Li Peptide has 348 certificates in our corpus, including 49 for Tirzepatide at a median tested purity of 99.80%.
Test report image
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