N,O-Dimethylhydroxylamine hydrochloride is widely used in organic synthesis as a versatile reagent. It is particularly valuable in the preparation of Weinreb amides, which are intermediates in the synthesis of ketones and aldehydes from carboxylic acids or esters. This compound is also employed in the protection of carbonyl groups during complex multi-step reactions, ensuring selective transformations. Additionally, it plays a role in the synthesis of pharmaceuticals and fine chemicals, where precise control over reaction pathways is crucial. Its stability and reactivity make it a preferred choice in various laboratory and industrial applications.