Retatrutide 100.0% Purity — Bulk Peptide SupplyCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabE. The retatrutide batch (25244) showed 99.95% purity via HPLC and mass quantification. However, the tested quantity was 16.4mg against a 20mg label, a significant -21% deviation. Endotoxin status is unknown, and the test is older (6-12 months).
- significant quantity deviation
- no endotoxin test
- older (6-12 months)
- Test date
- 2025-09-18
- Testing lab
- LabE
- Batch / lot
- 25244
- Quantity
- 16.4mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 6.5
- Label dose
- 20mg
How this result compares
This Retatrutide certificate's tested purity of 99.95% ranks higher than 91% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2025-09-18 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 15% of our catalogued Retatrutide certificates.
Bulk Peptide Supply has 29 certificates in our corpus, including 7 for Retatrutide at a median tested purity of 99.95%.
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
sha256:710411132cfcd836…
— immutable copy held by TitrateLab