(S)-2-(2-Methoxyphenyl)propanoic acid, also known as ibuprofen, is a nonsteroidal anti-inflammatory drug (NSAID) widely used for its analgesic, anti-inflammatory, and antipyretic properties. This compound is commonly available as a racemic mixture, with the (S)-enantiomer exhibiting the desired pharmacological activity. As a well-established medication, it is utilized for the management of various conditions, including pain relief, fever reduction, and inflammation control. Ibuprofen is a staple in both over-the-counter and prescription medications, owing to its efficacy and relatively low incidence of adverse effects when used appropriately.