Thymosin Beta-4 10mg from Simple Peptide was independently analyzed on February 24, 2026, confirming 99.817% purity by HPLC with LC-MS detection. The net peptide content tested at 11.99mg, demonstrating quality consistency above stated quantity. The sample appears as white lyophilized powder with yellow caps visible in the vial images.
Thymosin Beta-4 is a 43 amino acid polypeptide researched for its potential in immune modulation, wound healing, and cellular regeneration. A purity level of 99.817% indicates exceptional-grade synthesis with minimal contamination. Mass spectrometry identification confirms Thymosin Beta-4 molecular structure with [M+7H]7+ at m/z 705.55, [M+6H]6+ at m/z 828.00, [M+8H]8+ at m/z 621.20, [M+5H]5+ at m/z 993.40, and [M+4H]4+ at m/z 1241.40. Endotoxin testing passed both replicates at ≤ 0.05 EU/mL, indicating low endotoxin levels suitable for research applications.
The full certificate of analysis (COA #2602230151) is available through Freedom Diagnostics Testing.

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