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Guides for research buyers
How to read the documentation, evaluate a supplier and buy research peptides wholesale.
DocumentationHow to read a Certificate of AnalysisWhat each test on a peptide CoA reports, what the specification column means, and how to verify a certificate with the lab.TestingHPLC, mass spec and endotoxin: peptide testing explainedThe analytical methods behind identity, purity and endotoxin results, and their limits.BuyingHow to qualify a wholesale peptide supplierA checklist for procurement and QA teams: manufacturing location, lot traceability, documentation and terms.BuyingWhat "research use only" means for buyersHow RUO status affects who can buy, what labels must say and what documentation comes with an order.CatalogResearch peptides vs. bioregulators: how the categories differHow we group the catalog, and what separates short bioregulator peptides from other research peptides.CatalogLyophilized peptides: what the format meansWhy research peptides ship as freeze-dried powder, and what that means for shipping and storage of sealed vials.
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