Monomethylarsonous Acid (CAS 25400-23-1)

Monomethylarsonous Acid (MAIII) is an organic compound which emerges as a metabolite of inorganic arsenic substances. Despite its hazardous nature, Monomethylarsonous Acid has become a subject of study across various scientific fields. Its applications span cancer research, where it has been observed to provoke DNA damage and impede DNA repair mechanisms, resulting in cellular mortality. In the field of toxicology, Monomethylarsonous Acid serves as a reference compound to examine the adverse impacts of arsenic on human health. Additionally, environmental researchers utilize it to explore arsenic′s origins and behavior in natural settings. The toxic influence of Monomethylarsonous Acid is multifaceted, involving the obstruction of DNA repair processes, instigation of oxidative stress, and interference with cell signaling. It is known to bind with sulfhydryl groups in proteins, which can cause improper protein folding and malfunction. Furthermore, its inhibitory effect on DNA repair enzymes contributes to DNA damage accumulation and subsequent cell death.