What to check before buying research peptides in the UK
Seven documentation checks worth running on any UK research-compound supplier — including the one almost nobody publishes.
How to verify a peptide certificate at the laboratory that issued it
A certificate hosted by the seller proves the seller has a PDF. Here is how to check the same document with the…
Net peptide content: what it is and why purity does not cover it
Purity tells you what the material is. Net peptide content tells you how much of it is in the vial — and…
Purity vs identity: why one number isn’t enough
Ask most people how “good” a peptide is and they’ll quote a purity figure — 98%, 99%, 99.9%. It’s a useful number,…
How to read a Certificate of Analysis (COA)
A Certificate of Analysis (COA) is the document that turns “trust us” into “check for yourself”. Every batch-verified compound should come with…
How we verify every batch: HPLC, Mass Spec & Endotoxin
A vial of white powder tells you nothing on its own. Everything a researcher needs to trust — what the compound is,…