Tirzepatide 98.9% Purity — Qing Li PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this tirzepatide batch (Oct 2,2025) at 98.9% purity via HPLC and mass quantification. Quantity was slightly over label at 40.5mg (1.3% deviation). The test is recent (3-6 months old), and a verification URL is available, but endotoxin status is not reported.
- no endotoxin test
- Test date
- 2025-11-17
- Testing lab
- LabE
- Batch / lot
- Oct 2,2025
- Quantity
- 40.5mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.9
- Label dose
- 40mg
How this result compares
This Tirzepatide certificate's tested purity of 98.90% ranks higher than 4% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2025-11-17 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 40% 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
Finnrick
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.
Verify on the upstream labSaved source document
sha256:4b5f0607718fedda…
— immutable copy held by TitrateLab