Research peptide buyer guides
Plain-English guides to buying research peptides — how to choose a vendor, read a Certificate of Analysis, store and handle material, and compare prices. For laboratory research use only.
A practical checklist for choosing a research-peptide vendor — third-party COAs, purity testing, US sourcing, and how to compare prices across suppliers.
What each line on a peptide COA means — lot identity, HPLC purity and its chromatogram, mass-spec identity, water content, and endotoxin — and how to verify it.
General lab guidance for storing and handling research peptides — lyophilized vs reconstituted, temperatures, protecting from light, and avoiding freeze–thaw.
Bacteriostatic water is a common solvent for reconstituting lyophilized research peptides. What it is, how it differs from sterile water, and where to buy it.