204633-95-4

L-Arginine-¹⁵N₄ hydrochloride has been used as a supplement for growing rat hybridoma to generate ¹⁵N-labeled monoclonal antibody against GPIHBP1 (glycosylphosphatidylinositol-anchored HDL binding protein 1).

Arginine is an amino acid with a basic side group. In liver, arginine is cleaved to ornithine and urea. Isotope labeled amino acids are required for the production of isotopically labeled proteins.