Three residues and 342 daltons. At this size the question is almost never identity — it is how much of what you weighed out is actually peptide.
$249CAD
Results in about five business days from arrival
Order this testThe C-terminal tripeptide of alpha-melanocyte-stimulating hormone: lysine, proline, valine. Trivially cheap to synthesise, which shapes where the risk sits.
A trifluoroacetate counterion weighs 114 daltons. Against a peptide of 342, one counterion is a quarter of the combined mass before residual water is counted.
A vial can be genuine and high purity and still deliver far less peptide than the milligram figure implies. That is what net peptide content measures, and why we report it as its own number. The distinction in full.
KPV is sold both as the free acid and as the C-terminal amide, one dalton apart. They are different compounds. A label saying only KPV has not told you which.
There is little reason to substitute anything for a peptide this inexpensive, and considerable reason to underfill the vial.
One unopened vial. Detailed posting instructions arrive with your order confirmation, immediately after you pay.
No. Lyophilised peptides travel safely at room temperature, which is how nearly all samples reach us.
An independent Ontario laboratory. Every certificate we issue names the facility that ran it — we are a testing service, not a laboratory, and we would rather say so than let you find out from the report.
You get the result. We do not soften findings, and we do not charge differently depending on what the analysis shows.
Yes. Every certificate carries an identifier that anyone can check against our records, including the vendor you bought from.
Test your kpv
$249 CAD · about five business days from arrival · never leaves Canada