What is "furoxan"

n. (context organic compound English) An oxidation product of furazan that may have use as a nitric oxide donor in pharmaceuticals

Furoxan or 1,2,5-oxadiazole 2-oxide is a heterocycle of the isoxazole family and an amine oxide derivative of furazan. It is a nitric oxide donor. As such, furoxan and its derivatives are actively researched as potential new drugs and insensitive high density explosives.

Furoxanes can be formed by dimerization of nitrile oxides.