Tirzepatide 99.6% Purity — Qing Li PeptideCertificate of Analysis · Independent third-party lab result
LabG tested this tirzepatide at 99.6% purity via HPLC and mass quantification. The tested quantity was significantly higher than labeled (75.6mg vs 60mg, a 26% deviation). Endotoxin status is unknown. The test is older (6-12 months), and no batch ID was provided. Customers can cross-check on the lab's public verification URL.
- quantity deviation (26%)
- no endotoxin test
- older (6-12 months)
- Test date
- 2025-10-13
- Testing lab
- LabG
- Batch / lot
- (no batch ID)
- Quantity
- 75.6mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 4.2
- Label dose
- 60mg
How this result compares
This Tirzepatide certificate's tested purity of 99.60% ranks higher than 18% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2025-10-13 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 33% of our catalogued Tirzepatide certificates.
Qing Li Peptide has 348 certificates in our corpus, including 49 for Tirzepatide at a median tested purity of 99.80%.
Test report image
Finnrick
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