Retatrutide 99.4% Purity — Qing Li PeptideCertificate of Analysis · Independent third-party lab result
LabG tested this retatrutide at 99.4% purity via HPLC and mass quantification. However, the tested quantity was significantly under-dosed at 5.2mg against a 10mg label, representing a 48% deviation. Endotoxin status is not available, and no batch ID was provided. The test is recent (3-6 months old).
- significant quantity deviation (-48%)
- no endotoxin test
- no batch ID
- Test date
- 2025-11-14
- Testing lab
- LabG
- Batch / lot
- (no batch ID)
- Quantity
- 5.2mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 3.5
- 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 2025-11-14 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 26% 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
sha256:1b2b0be26b3eb49e…
— immutable copy held by TitrateLab