Blog Tag
coa
2 articles tagged with ‘coa’
EducationJune 10, 2026
How to Read a Certificate of Analysis (COA) for Peptides
A practical guide to interpreting COA documents for research peptides — understanding HPLC chromatograms, mass spectrometry data, and what each quality metric means for your research.
6 min read
RegulatoryMay 12, 2026
HPLC Testing for Peptides: Complete Guide to Purity Checks
HPLC testing serves as the main method for checking research peptide purity, with ≥99% purity as the standard for high-quality samples. This guide explains how HPLC works, what chromatograms reveal, and its role in verifying peptide quality. Researchers rely on it to ensure minimal impurities that could affect study results.
4 min read