Tirzepatide 99.9% Purity — Peptide SciencesCertificate of Analysis · Independent third-party lab result
LabE tested this Tirzepatide from Peptide S at 99.9% purity using HPLC and mass quantification. The quantity was 19.7mg against a 20mg label (-1.5% deviation), and endotoxins were below LOQ. This test is recent (under 3 months old) and customers can verify it on the lab's public URL.
- no batch ID
- Test date
- 2026-02-13
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 19.7mg
- Endotoxins
- below LOQ
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 8.0
- Label dose
- 20mg
How this result compares
This Tirzepatide certificate's tested purity of 99.90% ranks higher than 73% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-02-13 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 63% of our catalogued Tirzepatide certificates.
Peptide Sciences has 273 certificates in our corpus, including 56 for Tirzepatide at a median tested purity of 99.83%.
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
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