Retatrutide 98.8% Purity — Peptide SciencesCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabE. The retatrutide batch (RET9920241222-12) showed 98.83% purity via HPLC and mass quantification. However, the tested quantity was 15.8% below the labeled 12mg, and no endotoxin test results are available. The test is stale (over a year old).
- stale (1+ years old)
- quantity deviation (-15.8%)
- no endotoxin test
- Test date
- 2025-05-06
- Testing lab
- LabE
- Batch / lot
- RET[PHONE_REDACTED]-12
- Quantity
- 10.1mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 5.4
- Label dose
- 12mg
How this result compares
This Retatrutide certificate's tested purity of 98.83% ranks higher than 4% of the 9823 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2025-05-06 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 4% of our catalogued Retatrutide certificates.
Peptide Sciences has 273 certificates in our corpus, including 85 for Retatrutide at a median tested purity of 99.62%.
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
sha256:73ddb411ac43cfe5…
— immutable copy held by TitrateLab