Tirzepatide 99.9% Purity — Shanghai Leader Peptide BiotechnologyCertificate of Analysis · Independent third-party lab result
LabE tested this Tirzepatide batch at 99.9% purity via HPLC and mass quantification. However, the tested quantity was 33.2mg against a 40mg label, representing a significant -17.0% deviation. Endotoxin status is not applicable, and the test is recent (under 3 months).
- significant quantity deviation (-17%)
- no endotoxin test
- no batch ID
- Test date
- 2026-02-11
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 33.2mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 5.4
- Label dose
- 40mg
How this result compares
This Tirzepatide certificate's tested purity of 99.90% ranks higher than 73% 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.
Shanghai Leader Peptide Biotechnology has 57 certificates in our corpus, including 10 for Tirzepatide at a median tested purity of 99.90%.
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