Retatrutide 99.0% Purity — Planet PeptideCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabC. The retatrutide batch (RT10-040825) showed 98.99% purity via HPLC. However, the tested quantity was significantly higher than the label (12.78mg vs 10mg, a 27.8% deviation), and endotoxin status is unknown. The test is stale (over 1 year old).
- stale (1+ years old)
- no endotoxin test
- quantity deviation (27.8%)
- Test date
- 2025-05-06
- Testing lab
- LabC
- Batch / lot
- RT10-040825
- Quantity
- 12.78mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 4.9
- Label dose
- 10mg
How this result compares
This Retatrutide certificate's tested purity of 98.99% 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.
Planet Peptide has 457 certificates in our corpus, including 78 for Retatrutide at a median tested purity of 99.87%.
Test report image
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