Family · Pharmaceutical analytical standards
Difelikefalin
A kappa opioid receptor agonist that acts mainly outside the brain: approved in the United States in 2021, it is given intravenously for itching associated with chronic kidney disease in patients on haemodialysis. This family brings together the active ingredient, labelled standards and other impurities.
Did you know?It is a small synthetic peptide made of D-amino acids, the mirror images of the natural ones: highly water-soluble, it does not readily cross into the brain.
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Custom synthesis of impurities, metabolites and labelled compounds, with the same characterisation level.
