Retatrutide 99.6% Purity — Qing Li PeptideCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabE. It shows Retatrutide at 99.62% purity via HPLC. However, the tested quantity was significantly lower than labeled (8.28mg vs 10mg, a -17.2% deviation), and no endotoxin test was performed. The test is older (6-12 months) and lacks a batch ID.
- no endotoxin test
- stale (6-12 months)
- quantity deviation (-17.2%)
- Test date
- 2025-06-09
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 8.28mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 4.6
- Label dose
- 10mg
How this result compares
This Retatrutide certificate's tested purity of 99.62% ranks higher than 22% of the 9823 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2025-06-09 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 6% 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:d69758950b930379…
— immutable copy held by TitrateLab