Retatrutide 99.7% Purity — Zhuoyan LabCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabE. The retatrutide showed 99.67% purity via HPLC and mass quantification. The quantity tested was 9.84mg against a 10mg label, a -1.6% deviation. Endotoxin status is unknown. The test is older (6-12 months).
- no endotoxin test
- older (6-12 months)
- no batch ID
- Test date
- 2025-10-21
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 9.84mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.4
- Label dose
- 10mg
How this result compares
This Retatrutide certificate's tested purity of 99.67% ranks higher than 25% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2025-10-21 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 21% of our catalogued Retatrutide certificates.
Zhuoyan Lab has 39 certificates in our corpus, including 13 for Retatrutide at a median tested purity of 99.70%.
Test report image
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