Retatrutide 99.9% Purity — Qing Li PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this retatrutide batch (Feb 2, 2026) at 99.9% purity via HPLC. The tested quantity of 37.1mg was 7.3% below the 40mg label. Endotoxin status is not applicable, and the test is recent (under 3 months). Customers can cross-check on the lab's public verification URL.
- no endotoxin test
- quantity deviation (>5%)
- Test date
- 2026-03-02
- Testing lab
- LabE
- Batch / lot
- Feb 2, 2026
- Quantity
- 37.1mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 9.3
- Label dose
- 40mg
How this result compares
This Retatrutide certificate's tested purity of 99.90% ranks higher than 70% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2026-03-02 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 57% 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
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