Retatrutide 99.4% Purity — OupeptideCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabG. It reports 99.4% purity for Retatrutide batch RT20-121125 via HPLC and mass quantification. The tested quantity was 19.5mg against a 20mg label (-2.5% deviation). The test is recent (3-6 months old), but endotoxin status is not applicable.
- no endotoxin test
- Test date
- 2026-01-07
- Testing lab
- LabG
- Batch / lot
- RT20-121125
- Quantity
- 19.5mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 8.8
- Label dose
- 20mg
How this result compares
This Retatrutide certificate's tested purity of 99.40% ranks higher than 11% of the 9823 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2026-01-07 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 38% 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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