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 batch (September 20 2025) showed 99.8% purity via HPLC and mass quantification. The tested quantity was 56.4mg, a 12.8% deviation from the 50mg label. Endotoxin status is not applicable, and the test is older (6-12 months).
- older (6-12 months)
- no endotoxin test
- quantity deviation (12.8%)
- Test date
- 2025-11-05
- Testing lab
- LabG
- Batch / lot
- September 20 2025
- Quantity
- 56.4mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.7
- Label dose
- 50mg
How this result compares
This Retatrutide certificate's tested purity of 99.80% ranks higher than 43% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2025-11-05 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 24% 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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