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

TB-500 99.2% Purity — Qing Li PeptideCertificate of Analysis · Independent third-party lab result

Tested purity 99.2% High purity · 99.16%
Dose vs label -2.4% Essentially at label
Evidence Artifact captured Trust: medium
AI summary Third-party lab

LabE tested this TB-500 from Qing Li Peptide at 99.16% purity using HPLC and mass quantification. The tested quantity was 9.76mg against a 10mg label, a deviation of -2.4%. The test is recent (3-6 months old), but endotoxin status is unknown. Customers can verify this COA via the lab's public URL.

Watch out for
  • no endotoxin test
  • no batch ID
Test date
2025-11-25
Testing lab
LabE
Batch / lot
(no batch ID)
Quantity
9.76mg
label 10mg · tested 9.76mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
6.3
Label dose
10mg
Context

How this result compares

This TB-500 certificate's tested purity of 99.16% ranks higher than 29% 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%.

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
No Label / Silver Crimp / Clear Pink Cap
Catalogued
2026-04-16
Artifact hash
5ecf61b164c6b512…
Saved source

Saved source document

sha256:398004f871f30a01… — 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 →