Retatrutide 96.6% Purity — Zztai PeptideCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabE. The retatrutide was found to be 96.63% pure via HPLC, and the quantity was 9.92mg against a 10mg label (-0.8% deviation). The test is older (6-12 months) and an endotoxin status is not available. Customers can cross-check on the lab's public verification URL.
- no endotoxin test
- older (6-12 months)
- no batch ID
- Test date
- 2025-09-04
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 9.92mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 5.0
- Label dose
- 10mg
How this result compares
This Retatrutide certificate's tested purity of 96.63% ranks higher than 2% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2025-09-04 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 13% of our catalogued Retatrutide certificates.
Zztai Peptide has 35 certificates in our corpus, including 11 for Retatrutide at a median tested purity of 99.74%.
Test report image
Finnrick
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