Tirzepatide 99.8% Purity — Royal PeptidesCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabE. The tirzepatide showed 99.78% purity via HPLC. The tested quantity was 9.35mg against a 10mg label, a deviation of -6.5%. Endotoxin status is not applicable for this test. The test is older (6-12 months).
- no endotoxin test
- older (6-12 months)
- no batch ID
- Test date
- 2025-08-05
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 9.35mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.2
- Label dose
- 10mg
How this result compares
This Tirzepatide certificate's tested purity of 99.78% ranks higher than 38% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2025-08-05 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 22% 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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