Retatrutide 99.0% Purity — Polaris PeptidesCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabC. The retatrutide batch (POL-R5-1) showed 98.98% purity via HPLC and mass quantification. However, the tested quantity was 28.7% over the 5mg label, and no endotoxin test results were available. The test is stale, being over a year old.
- stale (1+ years old)
- no endotoxin test
- quantity deviation (28.7% over)
- Test date
- 2025-05-06
- Testing lab
- LabC
- Batch / lot
- POL-R5-1
- Quantity
- 6.71mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 3.9
- Label dose
- 5mg
How this result compares
This Retatrutide certificate's tested purity of 98.98% ranks higher than 4% of the 9822 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2025-05-06 by LabC via HPLC + mass quantification + endotoxins. This test is newer than 4% of our catalogued Retatrutide certificates.
Polaris Peptides has 150 certificates in our corpus, including 39 for Retatrutide at a median tested purity of 99.83%.
Test report image
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