Tirzepatide 99.9% Purity — Reta PeptideCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabG. It reports 99.9% purity for Tirzepatide via HPLC and mass quantification. However, the tested quantity was 24.4mg against a 20mg label, a 22% deviation, and endotoxin status is not applicable. The test is older (6-12 months) and no batch ID was provided.
- no endotoxin test
- stale (6-12 months)
- quantity deviation (22%)
- Test date
- 2025-10-01
- Testing lab
- LabG
- Batch / lot
- (no batch ID)
- Quantity
- 24.4mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 5.0
- 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 2025-10-01 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 30% 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
sha256:3a7d2370016b42da…
— immutable copy held by TitrateLab