HPLC vs. Mass Spectrometry: How Research Peptides Are Verified
HPLC and mass spectrometry answer two different questions about a peptide. Understanding what each one measures makes any COA easier to read.
3 min read
Juin 16, 2026
HPLC and mass spectrometry answer two different questions about a peptide. Understanding what each one measures makes any COA easier to read.
A Certificate of Analysis is the single most useful document for verifying a research peptide lot. Here is how to read every line of one.