Retatrutide 99.4% Purity — Huatai PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this retatrutide batch (RT20) at 99.39% purity via HPLC. The tested quantity was significantly lower than labeled, at 12.5mg vs 20mg (-37.5% deviation). Endotoxin status is unknown. The test is recent (under 3 months) and customers can cross-check on the lab's public verification URL.
- quantity deviation (-37.5%)
- no endotoxin test
- Test date
- 2026-02-26
- Testing lab
- LabE
- Batch / lot
- RT20
- Quantity
- 12.5mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 5.6
- Label dose
- 20mg
How this result compares
This Retatrutide certificate's tested purity of 99.39% ranks higher than 10% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2026-02-26 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 56% of our catalogued Retatrutide certificates.
Huatai Peptide has 8 certificates in our corpus, including 8 for Retatrutide at a median tested purity of 99.40%.
Test report image
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