Tirzepatide 98.8% Purity — GYCCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabE. The tirzepatide batch (20250840) showed 98.78% purity via HPLC. The tested quantity of 41.1mg was slightly above the 40mg label, a deviation of 2.8%. Endotoxin status and test recency are unknown, but a verification URL is available.
- no endotoxin test
- stale (8+ months)
- unknown test date
- Test date
- —
- Testing lab
- LabE
- Batch / lot
- 20250840
- Quantity
- 41.1mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.8
- Label dose
- 40mg
How this result compares
This Tirzepatide certificate's tested purity of 98.78% ranks higher than 3% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Testing method by LabE via HPLC + mass quantification + endotoxins.
GYC has 282 certificates in our corpus, including 96 for Tirzepatide at a median tested purity of 99.84%.
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
sha256:9925ff1646e2bc50…
— immutable copy held by TitrateLab