CAS Registry Number

CAS 16681-77-9 — 1-Methyl-1,2,3,4-tetrazole

1-Methyl-1,2,3,4-tetrazole is a heterocyclic nitrogen compound widely used as a corrosion inhibitor in industrial water treatment, oil and gas extraction, and metal processing applications. It prevents scale and metal degradation in cooling systems and pipelines. This chemical has a CAS number of 16681-77-9, with the molecular formula C2H4N4 and a molecular weight of 84.08 g/mol. It is stable under ambient storage conditions but requires careful handling, marked with a warning signal word. Molekula supplies 1-Methyl-1,2,3,4-tetrazole from research to bulk quantities with full documentation and ISO 9001:2015 traceability.