net peptide content
5 articles tagged with ‘net peptide content’
Why 99% Purity Means Something Different on a Tripeptide and a 44-mer
At 99% per coupling a tripeptide comes off the resin 98% correct and a 44-residue chain comes off at 65%. What had to be removed, why deletion sequences are the hardest impurity to separate, and the trifluoroacetate counterion that is in the vial and not on the paperwork.
How to Verify a Peptide in Canada
A vial is the end of a chain that runs from a synthesis lot to the note you write when the parcel arrives. Where each link sits, what proves it, how each one breaks in this market, and why a purity percentage cannot answer the quantity question.
How to Tell If a Peptide Supplier Is Legitimate: The 2026 Verification Checklist
A certificate of analysis is the easiest document in this market to fake. Nine checks, ranked by how hard each one is to fake, including the two that separate a traceable supplier from a convincing one.
The Complete Guide to Peptides in Canada
The checkable part of the Canadian peptide market: Health Canada's published position on research-use-only labelling, the difference between research grade and a certified reference standard, why a 99% purity result leaves the more expensive question unanswered, and a repeatable ten-point supplier evaluation.
The Complete Guide to Buying Peptides in Canada
The long version: what you are buying at a molecular level, how Canadian law treats it, the three grades of material and why the difference is expensive, what each analytical test can and cannot tell you, how to model landed cost, and what to record so a result stays traceable.