#how-to-test-peptides
2 articles

Stop Wasting Weeks: Researchers' Five Minute Peptide Authenticity Check
Finish a COA triage in five minutes: match batch IDs, inspect raw HPLC and MS files, and know when to send a peptide for independent testing.

98% HPLC Purity Can Be 75% Peptide, HPLC Testing for Researchers
Learn to read peptide HPLC chromatograms, spot masked impurities, and require LC MS, net peptide content, and raw COA data before dosing.