Read the posted document.
Research use only
Conservative notes for reading posted COAs, method names, and lot identifiers without turning documents into broader claims.
How to read a peptide Certificate of Analysis
Learn how to read a peptide Certificate of Analysis by checking the material, lot, issuer, methods, results, and document limits.
CellSyntax LibraryHow to verify a peptide COA
A step-by-step process for matching a peptide COA to its material, lot, laboratory, date, and public verification record.
CellSyntax LibraryPeptide purity testing: identity and purity are different measurements
Learn how peptide purity testing is reported, why identity and purity are separate measurements, and what a purity percentage cannot establish.
CellSyntax LibraryMethod names on posted COAs
A limited explanation of method names that may appear on posted COA documents.
CellSyntax LibraryLot and document matching
A conservative note on matching catalog items, lots, and posted COA documents.
CellSyntax LibraryHow to evaluate a research peptide company
Evaluate a research peptide company through lot-specific COAs, third-party testing records, methods, identifiers, and public verification.
CellSyntax LibraryResearch peptide supply: an RUO procurement checklist
A research peptide supply checklist for RUO account access, lot and COA matching, sealed labeled inventory, order records, and wholesale inquiry steps.