(1S)-1-(3,4-Difluorophenyl)ethanamine is a chiral amine compound characterized by a 3,4-difluorophenyl group attached to a chiral center bearing an amino group. It is a key chiral building block in pharmaceutical synthesis. This compound serves as a crucial intermediate in the development of active pharmaceutical ingredients (APIs). Its primary application is in the synthesis of novel kinase inhibitors, particularly those targeting the c-Met (mesenchymal-epithelial transition factor) receptor tyrosine kinase. c-Met inhibitors are a significant class of anticancer drugs being investigated for the treatment of various solid tumors. The chiral purity of this intermediate is essential for the biological activity and selectivity of the final drug candidate. As a chiral amine with a fluorinated aromatic ring, it is also a valuable synthon in medicinal chemistry for constructing molecules with specific stereochemistry and enhanced metabolic stability.