Tirzepatide 99.9% Purity — Zlz PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this tirzepatide at 99.93% purity using HPLC and mass quantification. The tested quantity was 19.1mg against a 20mg label, a deviation of -4.5%. Endotoxin status is not applicable, and the test is recent (3-6 months old).
- no endotoxin test
- no batch ID
- Test date
- 2026-01-15
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 19.1mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 8.0
- Label dose
- 20mg
How this result compares
This Tirzepatide certificate's tested purity of 99.93% ranks higher than 85% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-01-15 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 54% of our catalogued Tirzepatide certificates.
Zlz Peptide has 274 certificates in our corpus, including 94 for Tirzepatide at a median tested purity of 99.80%.
Test report image
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