TB-500 99.7% Purity — YimeiCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabE. The TB-500 sample showed 99.71% purity via HPLC and mass quantification. However, the tested quantity was 8.36mg against a 10mg label, a deviation of -16.4%. Endotoxin status is unknown, and the test is older (6-12 months).
- no endotoxin test
- stale (6-12 months)
- quantity deviation (-16.4%)
- Test date
- 2025-10-23
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 8.36mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 5.0
- Label dose
- 10mg
How this result compares
This TB-500 certificate's tested purity of 99.71% ranks higher than 80% of the 1248 TB-500 certificates with a purity result we have catalogued (median 99.39%).
Tested 2025-10-23 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 25% of our catalogued TB-500 certificates.
Yimei has 109 certificates in our corpus, including 5 for TB-500 at a median tested purity of 99.71%.
Test report image
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