Tirzepatide 99.7% Purity — Peptide SciencesCertificate of Analysis · Independent third-party lab result
LabE tested this Tirzepatide from Peptide S at 99.71% purity via HPLC, with mass quantification showing 19.8mg against a 20mg label (-1% deviation). The test is older (6-12 months) and does not include endotoxin results. Customers can cross-check on the lab's public verification URL.
- no endotoxin test
- older (6-12 months)
- no batch ID
- Test date
- 2025-06-20
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 19.8mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.5
- Label dose
- 20mg
How this result compares
This Tirzepatide certificate's tested purity of 99.71% ranks higher than 28% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2025-06-20 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 17% of our catalogued Tirzepatide certificates.
Peptide Sciences has 273 certificates in our corpus, including 56 for Tirzepatide at a median tested purity of 99.83%.
Test report image
Finnrick
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