This independent HPLC mass spectrometry analysis from Freedom Diagnostics confirms SELANK 10mg from Instant Peptides at 99.78% purity. The analysis was conducted on February 17, 2026, using UV detection coupled with mass spectrometry.
SELANK is a synthetic heptapeptide researched for its anxiolytic properties and potential role in immune regulation. A purity level of 99.78% indicates minimal contamination and high-grade synthesis. Endotoxin testing passed both replicates at ≤0.05 EU/mL, confirming safety for research use. The compound is presented as a white lyophilized powder with Batch ID 2026-0285-A and an average net peptide content of 10.61 mg. Purity values across vials were 1 at 99.76% and 2 at 99.81%.
The full certificate of analysis is available for download on this page.

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