Tirzepatide 99.5% Purity — Peptide GurusCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabA. The tirzepatide showed 99.53% purity via HPLC. However, the tested quantity was significantly under-dosed at 4.12mg against a 5mg label (-17.6% deviation), and endotoxin status is unknown. The test is stale (over 1 year old).
- stale (1+ years old)
- significant quantity deviation
- no endotoxin test
- Test date
- 2025-03-16
- Testing lab
- LabA
- Batch / lot
- (no batch ID)
- Quantity
- 4.12mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 4.4
- Label dose
- 5mg
How this result compares
This Tirzepatide certificate's tested purity of 99.53% ranks higher than 14% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2025-03-16 by LabA via HPLC + mass quantification + endotoxins. This test is newer than 10% of our catalogued Tirzepatide certificates.
Peptide Gurus has 181 certificates in our corpus, including 20 for Tirzepatide at a median tested purity of 99.75%.
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:f79dabbb9fad30b3…
— immutable copy held by TitrateLab