Tirzepatide 99.4% Purity — Zhuoyan LabCertificate of Analysis · Independent third-party lab result
LabE tested this tirzepatide from Zhuoyan Lab at 99.36% purity via HPLC and mass quantification. The tested quantity was 19.4mg against a 20mg label, a deviation of -3.0%. Endotoxin status is unknown. The test is older (6-12 months) and lacks a batch ID, but customers can cross-check on the lab's public verification URL.
- no endotoxin test
- older (6-12 months)
- no batch ID
- Test date
- 2025-07-28
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 19.4mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 6.7
- Label dose
- 20mg
How this result compares
This Tirzepatide certificate's tested purity of 99.36% ranks higher than 9% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2025-07-28 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 21% of our catalogued Tirzepatide certificates.
Zhuoyan Lab has 39 certificates in our corpus, including 20 for Tirzepatide at a median tested purity of 99.85%.
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
sha256:9b8fb8a615df3b72…
— immutable copy held by TitrateLab