A $360 panel for semaglutide, tirzepatide and retatrutide. You do not need to identify which of these three peptides you expect in the vial. Results in 3 to 5 business days.
Price: $360 per submitted vial. The panel screens for semaglutide, tirzepatide and retatrutide, reports which panel compounds are detected and their measured amounts, and reports peptide purity where the sample and separation permit it.
Other peptides and contaminants are outside this three-compound panel. Endotoxin, sterility, metals, counter-ions and other additional tests are ordered separately.
HPLC analysis against laboratory reference standards is used for identification, quantity and chromatographic purity within the three-compound panel. Routine identity uses retention time and UV data; LC-MS confirmation is quoted separately.
For mixtures, separate peptide-purity results may not be possible because components or impurity peaks can overlap. Results do not establish sequence, stereochemistry, biological activity or the absence of untested contaminants.
Send one whole, unopened vial of lyophilized product. Contact the laboratory before sending raw powder, a liquid or another sample format so the required amount and scope can be confirmed. Include your client sample identifier and any known formulation information; you do not need to name which of the three target peptides you expect.
This HPLC peptide panel is performed under the laboratory quality system and is not listed on the published A2LA scope of accreditation. Accreditation applies to the specific tests and matrices in that scope.
Email the laboratory to request the $360 blind GLP-1 panel, or call 360-967-7010. Confirm the sample format and any additional tests before shipping.
