Research library
Documentation
How to read a Certificate of Analysis
What each row on a COA is measuring, which ones can be quietly omitted, and how to check a certificate actually belongs to your lot.
Read the guide Bench practiceReconstitution and dilution, step by step
The arithmetic behind mg/mL, why the solvent volume — not the peptide — sets your concentration, and where the common mistakes are.
Open the calculator HandlingStoring lyophilized peptides
Freezer, fridge and bench: what changes at each temperature, how long reconstituted material holds, and why light and repeated thawing matter.
Read the guide AnalysisHPLC and MS: what each test proves
One separates, the other identifies. A purity figure without a mass confirmation leaves the most important question open.
Read the guide AnalysisWhat a purity percentage leaves out
99% of what, measured how, against which standard — and what the remaining 1% is allowed to be.
Read the guide OrdersShipping, customs and international orders
How US orders move, what happens at a border, and who is responsible for confirming a compound can legally be imported.
Read the guide