5,6,7,8-Tetrahydro-1,8-naphthyridine-2-carbaldehyde hydrochloride is a significant chemical compound utilized in various industrial and research applications. With a molecular formula C<sub>12</sub>H<sub>13</sub>NO·HCl, it comprises a naphthyridine ring system substituted with a tetrahydro group and a carbaldehyde functional group, along with a hydrochloride salt. Synthesized through established organic synthesis methods, it ensures high purity and consistency in its properties.