Retatrutide 99.2% Purity — Skye PeptidesCertificate of Analysis · Independent third-party lab result
LabE tested this retatrutide batch (RET26-12-001) at 99.2% purity via HPLC, with mass quantification and endotoxin testing. Quantity was slightly over-labeled by 3.6%, endotoxins were below LOQ, and the test is recent (under 3 months). Customers can cross-check on the lab's public verification URL.
- Test date
- 2026-04-23
- Testing lab
- LabE
- Batch / lot
- RET26-12-001
- Quantity
- 12.5mg
- Endotoxins
- below LOQ
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.9
- Label dose
- 12mg
vendor batch claim 13.0mg (Package)
How this result compares
This Retatrutide certificate's tested purity of 99.20% ranks higher than 6% of the 9822 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.
Skye Peptides has 81 certificates in our corpus, including 12 for Retatrutide at a median tested purity of 99.75%.
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
sha256:0932300138d82286…
— immutable copy held by TitrateLab