Retatrutide 98.5% Purity — OupeptideCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabG. It reports 98.5% purity for Retatrutide via HPLC and mass quantification. The tested quantity of 4.7mg was 6% below the 5mg label, and no endotoxin test was performed. The test is older, dating back 6-12 months. Customers can verify this COA on LabG's public URL.
- no endotoxin test
- stale (6-12 months)
- quantity deviation (-6%)
- Test date
- 2025-10-13
- Testing lab
- LabG
- Batch / lot
- March 2,2025
- Quantity
- 4.7mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.2
- Label dose
- 5mg
How this result compares
This Retatrutide certificate's tested purity of 98.50% ranks higher than 3% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2025-10-13 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 20% 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
Finnrick
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