Tirzepatide 99.5% Purity — Reta PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this Tirzepatide at 99.53% purity via HPLC and mass quantification. The quantity tested was 19.9mg against a 20mg label, a deviation of -0.5%. No endotoxin test was performed. The test is older (6-12 months) and lacks a batch ID, though a verification URL is available.
- no endotoxin test
- older (6-12 months)
- no batch ID
- Test date
- 2025-10-23
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 19.9mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.1
- Label dose
- 20mg
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 2025-10-23 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 35% of our catalogued Tirzepatide certificates.
Reta Peptide has 249 certificates in our corpus, including 38 for Tirzepatide at a median tested purity of 99.87%.
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
sha256:24616d2a787379af…
— immutable copy held by TitrateLab