Retatrutide 100.0% Purity — Qing Li PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this retatrutide batch (Jun 2, 2025) at 99.95% purity via HPLC, with mass quantification showing 20.8mg for a 20mg label (4% deviation). Endotoxin status is not applicable for this test. The test is older (6-12 months), but customers can cross-check on the lab's public verification URL.
- older (6-12 months)
- no endotoxin test
- Test date
- 2025-08-04
- Testing lab
- LabE
- Batch / lot
- [NAME_REDACTED], 2025
- Quantity
- 20.8mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 10.0
- 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 2025-08-04 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 10% of our catalogued Retatrutide certificates.
Qing Li Peptide has 348 certificates in our corpus, including 119 for Retatrutide at a median tested purity of 99.80%.
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
sha256:0e908b804b5620f5…
— immutable copy held by TitrateLab