Research guides
General technical background on research peptides — analytical methods, formats, storage and UK regulation. Education only: these pages are not claims about the material we sell, and nothing here is usage guidance.
General technical background on research peptides — analytical methods, formats, storage and UK regulation. Education only: these pages are not claims about the material we sell, and nothing here is usage guidance.
Every field on a peptide COA explained — batch numbers, RP-HPLC purity, MS identity — and the red flags that matter.
AnalyticsPurity and identity are different questions. What each technique measures, what it cannot see, and why credible QC needs both.
AnalyticsWhy a 99% purity figure does not mean 10 mg of peptide in a 10 mg vial — counter-ions, water content and mass balance explained.
HandlingWhy freeze-dried peptides are stable, how they degrade, and the temperature, light and moisture conditions that preserve them.
ChemistryFrom resin to lyophilised vial: the Fmoc synthesis cycle, why crude peptides need purification, and where impurities come from.
ComplianceThe regulatory category research peptides actually sit in — and what a compliant UK supplier will and will not do.
BuyingHow multi-vial orders work — 3+ vials 5% off, 10+ 10%, across the whole order — what does not change with quantity, and what to check before scaling.
ComparisonSequence identity, why one name is unambiguous and the other is not, and the COA evidence that settles which molecule is in the vial.
BuyingA due-diligence checklist for buying research peptides in the UK — batch COAs, MS identity, company records and dispatch practice.
HandlingWhat lyophilised and non-lyophilised actually mean — and why stability, weighing accuracy and shipping favour the freeze-dried solid.
ChemistryThe Fmoc SPPS cycle at protocol depth — resin and linker, piperidine deprotection, coupling reagents, the Kaiser test, cleavage and workup.
ComplianceWhere the Human Medicines Regulations 2012 draw the line between a lawful laboratory reagent and an unlicensed medicine — for buyer and supplier alike.
ChemistryThe classical solution-phase method set against the solid phase — where each wins, how hybrid routes combine them, and what the route does and does not tell you.
A small catalogue of research-use-only peptides, dispatched tracked from UK stock with delivery included.