Tirzepatide 99.8% Purity — Reta PeptideCertificate of Analysis · Independent third-party lab result
LabG tested this tirzepatide batch (08.11.25) at 99.8% purity via HPLC and mass quantification. The tested quantity was 37mg against a 30mg label, a deviation of +23.3%. Endotoxin status is not applicable, and the test is recent (3-6 months old). Customers can cross-check on the lab's public verification URL.
- quantity deviation (+23.3%)
- no endotoxin test
- Test date
- 2026-01-22
- Testing lab
- LabG
- Batch / lot
- 08.11.25
- Quantity
- 37mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 6.7
- Label dose
- 30mg
How this result compares
This Tirzepatide certificate's tested purity of 99.80% ranks higher than 43% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-01-22 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 56% 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:f9f17fa88e2e6f3c…
— immutable copy held by TitrateLab