Retatrutide 99.1% Purity — Peptide PartnersCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabE. The retatrutide batch (CD20250708) showed 99.11% purity via HPLC and mass quantification. The tested quantity was 19.5mg against a 20mg label, a -2.5% deviation. Endotoxin status is not applicable for this test type. The test is recent (3-6 months old) and customers can verify it on the lab's public URL.
- no endotoxin test
- Test date
- 2025-11-17
- Testing lab
- LabE
- Batch / lot
- CD20250708
- Quantity
- 19.5mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 8.2
- Label dose
- 20mg
How this result compares
This Retatrutide certificate's tested purity of 99.11% ranks higher than 5% of the 9822 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2025-11-17 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 27% of our catalogued Retatrutide certificates.
Peptide Partners has 77 certificates in our corpus, including 23 for Retatrutide at a median tested purity of 99.90%.
Test report image
Finnrick
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Verify on the upstream labSaved source document
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