Analytical
What Is HPLC? A Researcher's Guide to Peptide Purity Verification
How the standard analytical method for peptide purity actually works — and why the chromatogram tells a richer story than the headline purity number.
Research Library
Education for serious researchers.
Lab-tested guides on peptide quality, COA interpretation, lyophilization, storage, and the science behind what we ship. Compliant, accurate, written by people who handle these compounds every day.
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COA
Net Peptide Content vs. Purity %: Reading Beyond the Headline Number on a COA
A 99% pure vial can still contain far less than the labeled mass of actual peptide. Net peptide content is the number that tell...
COA
Peptide Purity: What Researchers Should Know
What does 99% purity actually measure? What does it miss? Here's the unvarnished answer for serious researchers.
Quality you can verify, not just claim.
Every batch is tested for purity, identity, sterility, endotoxins, and heavy metals. Every COA is published before you buy.
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