TB-500 85.8% Purity — Qing Li PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this TB-500 batch (9/6/2025) at 85.82% purity via HPLC, with quantity matching the label within 1%. The test is recent (3-6 months old) and a verification URL is available. However, the endotoxin status is unknown.
- no endotoxin test
- Test date
- 2025-11-25
- Testing lab
- LabE
- Batch / lot
- 9/6/2025
- Quantity
- 5.05mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 6.9
- Label dose
- 5mg
How this result compares
This TB-500 certificate's tested purity of 85.82% 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
Artifact capturedWe have the certificate image (SHA-256 hash captured) — you can verify it loads from the upstream lab and matches the artifact shown here.
Verify on the upstream labSaved source document
sha256:815b31c786f28119…
— immutable copy held by TitrateLab