TB-500 96.9% Purity — Qing Li PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this TB-500 batch at 96.87% purity using HPLC and mass quantification. The tested quantity was 9.28mg against a 10mg label, representing a 7.2% deviation. Endotoxin status is unknown. The test is recent (3-6 months old), and customers can verify it on the lab's public URL.
- no endotoxin test
- quantity deviation >5%
- no batch ID
- Test date
- 2026-02-04
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 9.28mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 4.3
- Label dose
- 10mg
How this result compares
This TB-500 certificate's tested purity of 96.87% ranks higher than 5% of the 1248 TB-500 certificates with a purity result we have catalogued (median 99.39%).
Tested 2026-02-04 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 52% 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:dc092352d1eaf36b…
— immutable copy held by TitrateLab