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Samarium(III) nitrate hydrate is used as a catalyst in von Pechmann condensation for the preparation of coumarins.
S 1189 (OTTO) Samarium(III) nitrate, hexahydrate, 99.95% Cas 13759-83-6 - used as a laboratory reagent. In addition to this, it is used in NMR spectroscopy for spectral resolution and is used for doping purposes.