TB-500 97.8% Purity — Qing Li PeptideCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabE. The TB-500 batch (JAN 2, 2026) showed 97.8% purity via HPLC. The tested quantity was 8% over the 10mg label, and endotoxin status is unknown. The test is recent (under 3 months old).
- no endotoxin test
- quantity deviation (8% over)
- Test date
- 2026-03-18
- Testing lab
- LabE
- Batch / lot
- JAN 2, 2026
- Quantity
- 10.8mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 6.0
- Label dose
- 10mg
How this result compares
This TB-500 certificate's tested purity of 97.80% ranks higher than 6% of the 1248 TB-500 certificates with a purity result we have catalogued (median 99.39%).
Tested 2026-03-18 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 66% of our catalogued TB-500 certificates.
Qing Li Peptide has 348 certificates in our corpus, including 19 for TB-500 at a median tested purity of 95.70%.
Test report image
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