Retatrutide 100.0% Purity — Qing Li PeptideCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabE. It reports 99.95% purity for Retatrutide via HPLC and mass quantification, with a tested quantity of 15.8mg against a 15mg label (5.3% deviation). No endotoxin test was performed. The test is older (6-12 months) and lacks a batch ID.
- no endotoxin test
- older (6-12 months)
- no batch ID
- Test date
- 2025-07-25
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 15.8mg
- 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 99.95% ranks higher than 91% of the 9823 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2025-07-25 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 9% 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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