In Nuclear Magnetic Resonance (NMR) spectroscopy, solvents are used to dissolve samples for analysis without interfering with the sample’s signal. Common solvents include deuterated solvents like deuterated chloroform (CDCl₃), deuterated water (D₂O), or deuterated methanol (CD₃OH), as deuterium doesn’t interfere with proton NMR signals. The choice of solvent is crucial to ensure minimal background noise and accurate data interpretation.