N-(3-Aminopropyl)glycine Dihydrochloride is used in biochemical research, particularly in molecular biology and cell culture applications. It serves as a building block in peptide synthesis for creating specific peptide sequences and is applied in the preparation of modified peptides and proteins to study their structure and function. Its versatile structure makes it suitable for bioconjugation techniques, facilitating the linkage of molecules for diagnostic and therapeutic purposes. Additionally, it acts as a starting material in the synthesis of compounds with amino and carboxylic functional groups, supporting drug development and pharmacological research.