Tirzepatide 99.8% Purity — Eros PeptidesCertificate of Analysis · Independent third-party lab result
LabE tested this tirzepatide batch (1845358a) at 99.75% purity via HPLC. However, the tested quantity was significantly under-dosed at 9.27mg against a 10mg label (-19.4% deviation), and endotoxin status is unknown. The test is older (6-12 months). Customers can cross-check on the lab's public verification URL.
- significant quantity deviation
- no endotoxin test
- older (6-12 months)
- Test date
- 2025-10-03
- Testing lab
- LabE
- Batch / lot
- 1845358a
- Quantity
- 9.27mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 6.2
- Label dose
- 10mg
vendor batch claim 11.5mg (Package)
How this result compares
This Tirzepatide certificate's tested purity of 99.75% ranks higher than 33% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2025-10-03 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 31% of our catalogued Tirzepatide certificates.
Eros Peptides has 153 certificates in our corpus, including 40 for Tirzepatide at a median tested purity of 99.84%.
Test report image
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