5-bromo-4-methoxy-2-nitrobenzaldehyde; CAS No.: 1036757-01-3; 5-bromo-4-methoxy-2-nitrobenzaldehyde. PROPERTIES: 5-bromo-4-methoxy-2-nitrobenzaldehyde is a crystalline solid. Its molecular formula is C8H6BrNO4, and the molecular weight is approximately 251.05 g/mol. The compound has a melting point of approximately 85-87 C. It is moderately soluble in common organic solvents such as acetone and dichloromethane, but is poorly soluble in water. For proper storage, it should be kept in a sealed container at room temperature, away from heat and moisture. As a compound containing a nitro group and bromine atom, it may have certain oxidizing properties and toxicity. When handling it, protective gloves, eye protection, and a lab coat should be worn. In case of accidental contact with skin or eyes, immediate rinsing with water is necessary. APPLICATIONS: In organic synthesis, 5-bromo-4-methoxy-2-nitrobenzaldehyde serves as a valuable intermediate. The aldehyde group can undergo reactions such as nucleophilic addition, oxidation, and reduction. The bromine atom can undergo substitution or coupling reactions, and the nitro group can be reduced to an amine group. The methoxy group can also be converted into other functional groups. In the pharmaceutical industry, derivatives of 5-bromo-4-methoxy-2-nitrobenzaldehyde can be explored as potential drug candidates. For instance, in the development of certain antimicrobial agents, the unique substituents of this compound can be utilized to design drugs with enhanced antimicrobial activity (as reported in medicinal chemistry journals). Moreover, in the field of chemical research, it can be used as a starting material for the synthesis of novel organic compounds with potential applications in catalysis and sensing (as noted in organic chemistry research papers).