Retatrutide 99.9% Purity — Qing Li PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this retatrutide batch (September 15 2025) at 99.9% purity via HPLC. The quantity tested was 47.3mg against a 50mg label, a deviation of -5.4%. 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
- 2026-03-10
- Testing lab
- LabE
- Batch / lot
- September 15 2025
- Quantity
- 47.3mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 9.9
- Label dose
- 50mg
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 2026-03-10 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 59% 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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