Retatrutide 99.9% Purity — Shanghai Erp Peptide BiotechnologyCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabE. The retatrutide batch (635966) showed 99.9% purity via HPLC and mass quantification. The tested quantity was 31.2mg against a 30mg label, representing a -13.7% deviation. Endotoxin status is not applicable, and the test is recent (under 3 months).
- no endotoxin test
- quantity deviation (-13.7%)
- Test date
- 2026-04-28
- Testing lab
- LabE
- Batch / lot
- 635966
- Quantity
- 31.2mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.3
- Label dose
- 30mg
vendor batch claim 36.2mg (Package)
How this result compares
This Retatrutide certificate's tested purity of 99.90% ranks higher than 70% of the 9823 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2026-04-28 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 70% of our catalogued Retatrutide certificates.
Shanghai Erp Peptide Biotechnology has 114 certificates in our corpus, including 45 for Retatrutide at a median tested purity of 99.90%.
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