Retatrutide 99.2% Purity — Qing Li PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this retatrutide batch (19Sept25-SS65) at 99.22% purity via HPLC. The tested quantity of 27.6mg significantly exceeded the 20mg label by 38%, and endotoxin status is not applicable. The test is recent (under 3 months old). Customers can cross-check on the lab's public verification URL.
- quantity deviation (38%)
- no endotoxin test
- Test date
- 2026-02-22
- Testing lab
- LabE
- Batch / lot
- 19Sept25-SS65
- Quantity
- 27.6mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 5.2
- Label dose
- 20mg
How this result compares
This Retatrutide certificate's tested purity of 99.22% ranks higher than 7% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2026-02-22 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 55% 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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