SS-31 contains a D-amino acid, and that raises an honest limit on what any mass-based method can tell you. We would rather set out the limit than let a certificate imply more than it establishes.
$249CAD
Results in about five business days from arrival
Order this testA four-residue peptide containing D-arginine and 2',6'-dimethyltyrosine, an unusual residue that has to be sourced or made specially. Both features make the synthesis harder than four residues would suggest.
D-arginine and L-arginine are mirror images. They contain the same atoms in the same numbers and weigh exactly the same. No mass spectrometer can distinguish them, because there is no mass difference to detect.
A sample synthesised with L-arginine in place of D would be a different compound with different behaviour and an identical mass spectrum. Separating them requires chiral chromatography, which is a different method and not part of a standard peptide panel.
We say this plainly because the alternative is a certificate that appears to confirm more than it does.
2',6'-dimethyltyrosine is not a standard amino acid and must be obtained separately. Substituting plain tyrosine drops 28 daltons from a 640-dalton molecule — about four percent, and readily detected.
Elamipretide has been through clinical development, so a defined reference structure exists in the literature. That is more than can be said for most of what we test.
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 ss-31
$249 CAD · about five business days from arrival · never leaves Canada