Tirzepatide 99.7% Purity — Royal PeptidesCertificate of Analysis · Independent third-party lab result
LabG tested this tirzepatide batch (Dec2,2025) at 99.7% purity via HPLC, with mass quantification and endotoxin testing. Quantity was 9.8mg against a 10mg label (-2% deviation), and endotoxins were low. The test is recent (under 3 months old).
- Test date
- 2026-03-03
- Testing lab
- LabG
- Batch / lot
- Dec2,2025
- Quantity
- 9.8mg
- Endotoxins
- low
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 9.5
- Label dose
- 10mg
How this result compares
This Tirzepatide certificate's tested purity of 99.70% ranks higher than 26% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-03-03 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 69% of our catalogued Tirzepatide certificates.
Royal Peptides has 39 certificates in our corpus, including 14 for Tirzepatide at a median tested purity of 99.78%.
Test report image
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