TB-500 80.8% Purity — Qing Li PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this TB-500 batch (September 9 2025 TB5) at 80.79% purity via HPLC, with mass quantification. The tested quantity was 4.71mg against a 5mg label, showing a -5.8% deviation. Endotoxin status is unknown, and the test is recent (3-6 months old). Customers can cross-check on the lab's public verification URL.
- no endotoxin test
- quantity deviation (-5.8%)
- Test date
- 2025-11-25
- Testing lab
- LabE
- Batch / lot
- September 9 2025 TB5
- Quantity
- 4.71mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 6.6
- Label dose
- 5mg
How this result compares
This TB-500 certificate's tested purity of 80.79% ranks higher than 1% of the 1248 TB-500 certificates with a purity result we have catalogued (median 99.39%).
Tested 2025-11-25 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 32% 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
Finnrick
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