Retatrutide 99.4% Purity — Shanghai Leader Peptide BiotechnologyCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabG. The retatrutide batch R10-00326 showed 99.4% purity via HPLC. However, the tested quantity was 8.7mg against a 10mg label, a deviation of -13.0%. Endotoxin status is not available. The test is recent (under 3 months old).
- no endotoxin test
- quantity deviation (-13%)
- Test date
- 2026-04-13
- Testing lab
- LabG
- Batch / lot
- R10-00326
- Quantity
- 8.7mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 6.7
- Label dose
- 10mg
How this result compares
This Retatrutide certificate's tested purity of 99.40% ranks higher than 11% of the 9823 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2026-04-13 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 66% of our catalogued Retatrutide certificates.
Shanghai Leader Peptide Biotechnology has 57 certificates in our corpus, including 24 for Retatrutide at a median tested purity of 99.73%.
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