Public COA audit

TB-500 · Thymosin β4

Audited July 29, 2026

Mostly consistent, with concerns

Several fields check out, but we found issues worth reviewing before you rely on this document.

Legitimacy
92
Confidence
88%
Panels
4/7
Purity (printed)
99.91%

Document details

Fields extracted from the certificate — not order or payment data.

Batch / lot
7wdwhn8
Identity method
HPLC-UV-MS
Sample date
2025-11-26
Issue date
2025-12-06

7-panel checklist

Had data + good, had data + bad, reported without pass/fail, or missing. Missing lowers thoroughness — you decide whether that panel matters; PeptIQ’s score still factors coverage.

4 of 7 present · 2 passed · 0 failed · 2 reported · 3 missing

Missing is a thoroughness gap — not automatically bad. PeptIQ’s legitimacy score still weighs panel coverage; you can down-weight panels that don’t matter for your use case.

  • Identity

    Tested · passed · core

    Compound identity confirmed (e.g. HPLC, mass spec).

    ID Confirmed

  • Purity

    Tested · passed · core

    Reported purity percentage for the analyte.

    99.91%

  • Heavy metals

    Tested · result on file

    Lead, arsenic, cadmium, mercury, or similar limits.

  • Microbial

    Not on this COA

    Bioburden / microbial limits testing.

    No evidence for this panel. That lowers thoroughness — whether it matters depends on what you care about.

  • Endotoxin

    Tested · result on file · core

    LAL or chromogenic endotoxin assay.

  • Sterility

    Not on this COA

    Sterility testing where applicable.

    No evidence for this panel. That lowers thoroughness — whether it matters depends on what you care about.

  • Residual solvent / water

    Not on this COA

    Residual solvents or water content limits.

    No evidence for this panel. That lowers thoroughness — whether it matters depends on what you care about.

How to read this

Had data · good

Panel present with a pass (or clear acceptance).

Had data · bad

Panel present with a fail — a concrete quality signal.

Had data · unclear

Value reported without an explicit pass/fail mark.

Missing

Not on this certificate. Lowers thoroughness; you decide if that panel matters for your use case. PeptIQ’s score still factors coverage.

Findings

Evidence-linked observations from this audit.

  • High chromatographic purity

    99.91% purity by HPLC-UV/MS is excellent and typical for research-grade peptides

  • Identity confirmed by mass spectrometry

    Mass spectrum matches reference standard for Thymosin β4 (CAS 77591-33-4)

  • Potency exceeds label claim

    10.9 mg measured vs 10 mg label claim (109.1% of label)

  • Batch/lot number present

    Lab # 130689, Project 135526, Sample ID 7wdwhn8

  • Dates are logical and recent

    Sample received 2025-11-26, tested 2025-11-28, report issued 2025-12-06

  • Lab identification present

    Krause Analytical LLC, Austin TX, with director signature (Mark C. Krause)

  • Verification URL provided

    https://finnrick.com/verify with certificate ID 7wdwhn8

  • Supporting chromatogram and mass spectrum included

    Page 2 shows clean chromatogram with single major peak at 4.79 min and matching mass spectrum

  • Endotoxin and metals methods described but results not shown

    Page 3 describes USP/NF 85 (endotoxin) and USP/NF 233 (metals) methods, but no numerical results appear on page 1

  • Watermark overlay throughout document

    Large 'FINNRICK' watermark obscures portions of text but does not prevent reading key data

PeptIQ COA reports analyze document content and publicly verifiable lab signals. They are educational and not a guarantee of product quality, legality, or safety. Always consult a qualified professional before making health decisions. We never publish purchase prices, shipping details, or uploader identity.