Used as a hydrazine protecting group in organic synthesis, particularly in the preparation of nitrogen-containing heterocycles and pharmaceuticals. Its stability under various reaction conditions allows selective transformations elsewhere in the molecule. After serving its protective role, it can be cleaved under mild acidic conditions to release the hydrazine functionality, enabling further derivatization. Commonly employed in multistep syntheses where controlled release of hydrazine is required, such as in the construction of pyrazoles and other bioactive molecules.