4-Chloro-7-nitrobenzofurazan

**Definition:** A benzofuran derivative used as a protein reagent since the terminal N-NBD-protein conjugate possesses interesting fluorescence and spectral properties. It has also been used as a covalent inhibitor of both beef heart mitochondrial ATPase and bacterial ATPase.

**Tree numbers:** - D03.383.129.462.580.400

**Synonyms:** - 7-Chloro-4-nitrobenzofurazan - Chloronitrobenzoxadiazole - NBD Chloride - NBF-Cl - Nitrobenzoxadiazole Chloride