Used as a metabolite of the herbicide glyphosate, (aminomethyl)phosphonic acid serves as a key indicator in environmental and biological monitoring to assess glyphosate exposure and degradation. It is employed in analytical testing to detect residue levels in soil, water, and plant tissues, supporting studies on pesticide persistence and ecological impact. Due to its structural similarity to amino acids, it also finds use in biochemical research, particularly in investigations of enzyme inhibition and phosphonate metabolism. Additionally, it acts as a building block in the synthesis of other phosphonate-based compounds with potential applications in medicine and agriculture.