Analytical · April 8, 2026 · 7 min read

HPLC purity vs peptide content — what researchers should know

A vial that is "99% pure" can still be 30% salt and water. The difference between HPLC purity and net peptide content is the single most misunderstood number on a COA.

This article is available in full on the live page. HPLC purity vs peptide content — what researchers should know — published by Clarion Peptides, April 8, 2026.