Hexahydropyridazine dihydrochloride is primarily utilized in pharmaceutical research and development as a key intermediate in the synthesis of various bioactive compounds. Its structure serves as a building block for creating molecules with potential therapeutic applications, particularly in the field of central nervous system (CNS) disorders. Researchers explore its derivatives for their potential as inhibitors or modulators of specific enzymes or receptors, which could lead to the development of new drugs for conditions such as anxiety, depression, or neurodegenerative diseases. Additionally, it is employed in organic chemistry studies to investigate reaction mechanisms and develop novel synthetic pathways for complex organic molecules. Its stability and reactivity make it a valuable tool in medicinal chemistry and drug discovery processes.