TB-500 98.2% Purity — Peptide PartnersCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabA. They reported 98.16% purity for TB-500 batch TB202601 using HPLC, with endotoxins below LOQ. The tested quantity was 10.71mg, showing a 7.1% deviation from the 10mg label. This test is recent (3-6 months old) and a verification URL is available.
- quantity deviation (7.1%)
- Test date
- 2026-01-30
- Testing lab
- LabA
- Batch / lot
- TB202601
- Quantity
- 10.71mg
- Endotoxins
- below LOQ
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 6.5
- Label dose
- 10mg
How this result compares
This TB-500 certificate's tested purity of 98.16% ranks higher than 7% of the 1248 TB-500 certificates with a purity result we have catalogued (median 99.39%).
Tested 2026-01-30 by LabA via HPLC + mass quantification + endotoxins. This test is newer than 50% of our catalogued TB-500 certificates.
Peptide Partners has 77 certificates in our corpus, including 11 for TB-500 at a median tested purity of 99.20%.
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
sha256:6f5804f8c8f392c9…
— immutable copy held by TitrateLab