Retatrutide 99.9% Purity — Qing Li PeptideCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabE. The retatrutide showed 99.86% purity via HPLC and mass quantification. The tested quantity was 14.3mg against a 15mg label, a deviation of -4.7%. No endotoxin test results were provided. The test is older (6-12 months).
- no endotoxin test
- older (6-12 months)
- no batch ID
- Test date
- 2025-08-21
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 14.3mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.9
- Label dose
- 15mg
How this result compares
This Retatrutide certificate's tested purity of 99.86% ranks higher than 56% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2025-08-21 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 12% 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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