Retatrutide 99.7% Purity — Qing Li PeptideCertificate of Analysis · Independent third-party lab result
LabG tested this retatrutide batch (Mar.2,2026) at 99.7% purity via HPLC and mass quantification. Quantity was slightly over at 20.6mg (3% deviation from 20mg label). Endotoxin status is not applicable for this test type. The test is recent (under 3 months old) and customers can cross-check on the lab's public verification URL.
- no endotoxin test
- Test date
- 2026-04-27
- Testing lab
- LabG
- Batch / lot
- [NAME_REDACTED]
- Quantity
- 20.6mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 9.5
- Label dose
- 20mg
How this result compares
This Retatrutide certificate's tested purity of 99.70% ranks higher than 29% of the 9823 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2026-04-27 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 70% of our catalogued Retatrutide certificates.
Qing Li Peptide has 348 certificates in our corpus, including 119 for Retatrutide at a median tested purity of 99.80%.
Test report image
Finnrick
Artifact capturedWe have the certificate image (SHA-256 hash captured) — you can verify it loads from the upstream lab and matches the artifact shown here.
Verify on the upstream labSaved source document
sha256:4e91d82e2198f389…
— immutable copy held by TitrateLab