Retatrutide 100.0% Purity — Qing Li PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this retatrutide batch (7/2/25) at 99.95% purity via HPLC. The tested quantity was 18.9mg, a 5.5% deviation from the 20mg label. 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
- quantity deviation (5.5%)
- Test date
- 2025-09-04
- Testing lab
- LabE
- Batch / lot
- 7/2/25
- Quantity
- 18.9mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 9.8
- 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 2025-09-04 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 13% 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
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