Retatrutide 99.8% Purity — OupeptideCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabG. The retatrutide was found to be 99.8% pure via HPLC and mass quantification. However, the tested quantity of 22.9mg significantly deviates from the 15mg label, showing a 52.7% overage. Endotoxin status is not applicable, and the test is recent (3-6 months old).
- quantity deviation (50%+)
- no endotoxin test
- Test date
- 2025-11-14
- Testing lab
- LabG
- Batch / lot
- (no batch ID)
- Quantity
- 22.9mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 4.3
- Label dose
- 15mg
How this result compares
This Retatrutide certificate's tested purity of 99.80% ranks higher than 43% of the 9822 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2025-11-14 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 26% of our catalogued Retatrutide certificates.
Oupeptide has 188 certificates in our corpus, including 61 for Retatrutide at a median tested purity of 99.80%.
Test report image
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