Retatrutide 99.8% Purity — OupeptideCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabG. It reports 99.8% purity for Retatrutide via HPLC and mass quantification. The tested quantity of 18.4mg significantly deviates from the 15mg label, showing a +22.7% deviation. Endotoxin status is not applicable, and the test is recent (under 3 months).
- quantity deviation (+22.7%)
- no batch ID
- no endotoxin test
- Test date
- 2026-02-20
- Testing lab
- LabG
- Batch / lot
- (no batch ID)
- Quantity
- 18.4mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 4.7
- Label dose
- 15mg
How this result compares
This Retatrutide certificate's tested purity of 99.80% ranks higher than 43% of the 9823 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2026-02-20 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 54% 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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