All TB-500 Certificate of Analysis results— 1256 COAs
TitrateLab · Certificate of Analysis

TB-500 94.4% Purity — Qing Li PeptideCertificate of Analysis · Independent third-party lab result

Tested purity 94.4% Acceptable purity · 94.36%
Dose vs label +7.3% Over the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

LabA tested this TB-500 batch (06/09/25) at 94.36% purity via HPLC. The tested quantity was 10.73mg against a 10mg label, a deviation of 7.3%. Endotoxin status is unknown. The test is older (6-12 months). Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • older (6-12 months)
Test date
2025-07-28
Testing lab
LabA
Batch / lot
06/09/25
Quantity
10.73mg
label 10mg · tested 10.73mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
6.2
Label dose
10mg
Context

How this result compares

This TB-500 certificate's tested purity of 94.36% ranks higher than 3% of the 1248 TB-500 certificates with a purity result we have catalogued (median 99.39%).

Tested 2025-07-28 by LabA via HPLC + mass quantification + endotoxins. This test is newer than 13% 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%.

Manufacturer
Qing Li Peptide
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Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Finnrick

Artifact captured

We have the certificate image (SHA-256 hash captured) — you can verify it loads from the upstream lab and matches the artifact shown here.

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Method
HPLC + mass quantification + endotoxins
Test type
finnrick_composite
Dose
10mg
Container
White Label / Silver Crimp / Clear Green Cap
Catalogued
2026-04-16
Artifact hash
4622195bb914a00e…
Saved source

Saved source document

sha256:48856c688f68ce51… — immutable copy held by TitrateLab

Related

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This certificate is part of TitrateLab's community-trust corpus. See more from Qing Li Peptide or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →