§ CERTIFICATE OF ANALYSIS · THIRD-PARTY HPLC · NOV-2025● VERIFIED SUBMISSION · PUBLIC RECORD
◆ Batch ID · TB500/2025-11-20✓ Verified · Pass
TB-500 × Research Peptides Europe - Lab Test, November 2025
Tested · submitted by @Frank 👑 Legend
HPLC Purity
98.99%
✓ Excellent
Test results
7 data points
Purity
98.99%
Endotoxins
< 0.001 EU/mg
Stated qty
5 mg
Tested qty
5.71 mg
Qty match
114% of labeled · +14%
Batch ID
TB500/2025-11-20
Tested by
liquilabsView profile →
◆ Quantity verification
5 mg→5.71 mg+14%
About this test
This independent HPLC lab test confirms Thymosin Beta-4 (TB-500) 5mg from Research Peptides Europe at >99.8% purity. The analysis was conducted by Liquilabs on November 28, 2025.
Thymosin Beta-4 is a naturally occurring immunomodulatory peptide researched for wound healing, tissue repair, and immune system support. A purity level exceeding 99.8% indicates minimal contamination and high-grade synthesis.
Endotoxin testing shows < 0.001 EU/mg, confirming low bacterial contamination. The full certificate of analysis is available for download on this page.
Certificate of analysis
Original document
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