TB-500 98.1% Purity — Reta PeptideCertificate of Analysis · Independent third-party lab result
LabA tested this TB-500 batch (Aug 15, 2025) at 98.13% purity via HPLC and mass quantification. The tested quantity was 8% over the 5mg label. Endotoxin status is not applicable for this test. The test is older (6-12 months), but customers can cross-check on the lab's public verification URL.
- older (6-12 months)
- no endotoxin test
- Test date
- 2025-10-21
- Testing lab
- LabA
- Batch / lot
- Aug 15, 2025
- Quantity
- 5.4mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 6.1
- Label dose
- 5mg
How this result compares
This TB-500 certificate's tested purity of 98.13% ranks higher than 7% of the 1248 TB-500 certificates with a purity result we have catalogued (median 99.39%).
Tested 2025-10-21 by LabA via HPLC + mass quantification + endotoxins. This test is newer than 25% of our catalogued TB-500 certificates.
Reta Peptide has 249 certificates in our corpus, including 14 for TB-500 at a median tested purity of 98.13%.
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
sha256:3180df814af4a90d…
— immutable copy held by TitrateLab