The Peptide Manufacturing Primer
How research peptides are synthesized, purified and released — and what that means for what you buy.
Department VI · The Library
Notes from the supply side.
Primers and documentation guides for research buyers. New entries are added periodically.
Quality Documentation 101
What to demand from a peptide supplier, and how to read a Certificate of Analysis.
Sample Certificate of Analysis (Redacted)
An annotated specimen COA showing the analytical package that ships with every lot.
Dual-Verification Testing
Why a manufacturer's COA alone is no longer enough, and how independent verification works.
Specifying a Custom Synthesis
Modifications, purity targets and analytical requirements — how to write a clear synthesis brief.
Regulatory Notes
Plain-language notes on research-use supply. Updated periodically.
Resource content is in preparation. Gated items will request an email before download.