Retatrutide 98.7% Purity — Shanghai Leader Peptide BiotechnologyCertificate of Analysis · Independent third-party lab result
LabE tested this retatrutide batch (01/30/2026) at 98.7% purity via HPLC and mass quantification. The tested quantity was 5.3mg, a 6% deviation from the 5mg label. Endotoxin status is not available. The test is recent (under 3 months old). Customers can cross-check on the lab's public verification URL.
- no endotoxin test
- quantity deviation (6%)
- Test date
- 2026-04-23
- Testing lab
- LabE
- Batch / lot
- 01/30/2026
- Quantity
- 5.3mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.4
- Label dose
- 5mg
How this result compares
This Retatrutide certificate's tested purity of 98.70% ranks higher than 3% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2026-04-23 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 69% 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%.
Test report image
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