Blog Tag
COA
2 articles tagged with ‘COA’
GuidesAugust 31, 2026
How to Tell If a Peptide Supplier Is Legitimate: The 2026 Verification Checklist
A certificate of analysis is the easiest document in this market to fake. Nine checks, ranked by how hard each one is to fake, including the two that separate a traceable supplier from a convincing one.
20 min read
Quality & TestingJuly 7, 2026
How to Read a Certificate of Analysis (COA): The Complete Guide for Peptide Researchers
A working guide to interpreting every section of a peptide Certificate of Analysis — from HPLC chromatograms and mass spec data to spotting the red flags that separate credible documentation from recycled paperwork.
15 min read