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. It reports 99.93% purity for Retatrutide via HPLC and mass quantification. The tested quantity was 10.7mg against a 10mg label, a 7% deviation. Endotoxin status is not applicable, and the test is older (6-12 months).
- no endotoxin test
- older (6-12 months)
- quantity deviation (7%)
- Test date
- 2025-09-18
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 10.7mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.3
- Label dose
- 10mg
How this result compares
This Retatrutide certificate's tested purity of 99.93% ranks higher than 83% of the 9822 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2025-09-18 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 15% 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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