In the intricate world of pharmaceutical synthesis, understanding the fundamental properties of each chemical component is crucial for successful development and manufacturing. 1-Bromo-2-methoxy-3-nitrobenzene (CAS 98775-19-0) is a vital intermediate, particularly recognized for its role in producing Eltrombopag. This article aims to illuminate its key chemical characteristics and their implications for pharmaceutical applications.

Chemical Structure and Properties

1-Bromo-2-methoxy-3-nitrobenzene is an organic compound featuring a benzene ring substituted with three key functional groups: a bromine atom, a methoxy group (-OCH3), and a nitro group (-NO2). The molecular formula is C7H6BrNO3, with a molecular weight of approximately 232.03 g/mol. The presence of these substituents imparts specific reactivity to the molecule:

• Bromine Atom: The bromine atom is a good leaving group, making the compound susceptible to nucleophilic aromatic substitution reactions under appropriate conditions.
• Methoxy Group: The methoxy group is an electron-donating substituent through resonance, activating the ortho and para positions of the benzene ring towards electrophilic attack.
• Nitro Group: The nitro group is a strong electron-withdrawing substituent, deactivating the benzene ring towards electrophilic substitution and directing incoming electrophiles to the meta position relative to itself. This interplay of electron-donating and withdrawing groups influences the compound's overall reactivity and regioselectivity in various reactions.

Physical Characteristics and Specifications

As specified by manufacturers, 1-Bromo-2-methoxy-3-nitrobenzene typically presents as a pale yellow to yellow powder. Its physical form is important for handling and processing in pharmaceutical manufacturing. Key specifications to consider when sourcing this intermediate include:

• Assay: A high assay of ≥98.0% is crucial for ensuring the efficiency and purity of the final API.
• Loss on Drying: A low loss on drying (≤1.0%) indicates low moisture content, contributing to the stability and shelf-life of the intermediate.
• Melting Point: Typically in the range of 62-68°C, this physical property aids in identification and quality assessment.

Significance in Eltrombopag Synthesis

The strategic placement of the bromine, methoxy, and nitro groups on the benzene ring makes 1-Bromo-2-methoxy-3-nitrobenzene an ideal precursor for constructing the complex structure of Eltrombopag. Pharmaceutical chemists leverage these functional groups to perform specific transformations that ultimately lead to the desired therapeutic molecule. The ability to buy 1-Bromo-2-methoxy-3-nitrobenzene with guaranteed specifications from a reliable 1-Bromo-2-methoxy-3-nitrobenzene supplier is therefore fundamental for pharmaceutical R&D and production.

NINGBO INNO PHARMCHEM CO.,LTD. understands the intricate requirements of pharmaceutical synthesis. We highlight the importance of chemical intermediates like CAS 98775-19-0, emphasizing the need for sourcing from reputable manufacturers that prioritize chemical integrity. Exploring options to purchase 1-Bromo-2-methoxy-3-nitrobenzene with detailed property information from a trusted 1-Bromo-2-methoxy-3-nitrobenzene manufacturer can greatly benefit your development pipeline.

By understanding the chemical properties of 1-Bromo-2-methoxy-3-nitrobenzene, pharmaceutical professionals can better plan their synthesis routes, troubleshoot potential issues, and ensure the efficient production of vital medications like Eltrombopag.