TB-500 Testing: Why Mass Matters More Than Purity
TB-500 is a 43-amino-acid peptide, so identity by mass spectrometry is the check that counts. Here is what the HPLC and mass results should show on a Certificate of Analysis.
Tag: TB500
TB4 vs TB500: What’s the Difference Between These Two Popular Research Peptides?
TB4 vs TB500: Understanding the Differences and Similarities Between Two Popular Research Peptides At BioPure Peptides, we frequently receive questions from researchers about the differences between TB4 (Thymosin Beta-4) and TB500. Because these peptides are closely related, they are often discussed interchangeably in research circles - but they are not exactly the same compound. Both […]