Retatrutide 99.9% Purity — Hangzhou Mandy BiotechnologyCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabE. The retatrutide batch (Sept 7,2025) showed 99.89% purity via HPLC and mass quantification. The tested quantity was 9.46mg against a 10mg label, a deviation of -5.4%. Endotoxin status is not applicable, and the test is recent (3-6 months old).
- no endotoxin test
- quantity deviation >5%
- Test date
- 2025-12-17
- Testing lab
- LabE
- Batch / lot
- Sept 7,2025
- Quantity
- 9.46mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 9.8
- Label dose
- 10mg
How this result compares
This Retatrutide certificate's tested purity of 99.89% ranks higher than 64% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2025-12-17 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 34% of our catalogued Retatrutide certificates.
Hangzhou Mandy Biotechnology has 37 certificates in our corpus, including 13 for Retatrutide at a median tested purity of 99.74%.
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