Description

4-Bromo-2-Methoxybenzoyl Chloride is a versatile and highly reactive aromatic acid chloride derivative, serving as a critical building block in advanced organic synthesis. Its primary value lies in its ability to efficiently introduce the 4-bromo-2-methoxybenzoyl moiety into target molecules, enabling the construction of complex chemical architectures. This intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries, particularly for developing active pharmaceutical ingredients (APIs), liquid crystal materials, and specialized ligands.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), especially those targeting central nervous system (CNS) disorders.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators where the bromo-methoxy aromatic system is a core pharmacophore.
• Liquid Crystal & OLED Materials: Serves as a building block for mesogenic compounds and electron-transport materials in display and lighting technologies.
• Polymer & Resin Modifier: Employed to introduce functional aromatic groups into polymer chains, enhancing thermal stability and optical properties.
• Chemical Research & Development: A valuable reagent in academic and industrial R&D for exploring new chemical reactions and creating specialized libraries of compounds.
• Dye & Pigment Intermediate: Used in the synthesis of complex organic dyes and pigments with specific light-absorption characteristics.

Basic Information

Product Name	4-Bromo-2-Methoxybenzoyl Chloride
CAS No.	5213-16-1
Molecular Formula	C8H6BrClO2
Molecular Weight	249.49 g/mol
Synonyms	2-Methoxy-4-bromobenzoyl chloride; 4-Bromo-o-anisoyl chloride; 4-Bromo-2-methoxybenzoic acid chloride; (4-Bromo-2-methoxyphenyl)carbonyl chloride; 4-Bromo-2-methoxybenzoylchloride; 5213-16-1; 4-Bromo-2-methoxy-benzoyl chloride
EINECS	Contact for details

Quality Control

Our 4-Bromo-2-Methoxybenzoyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment. We adhere to cGMP principles where applicable to support our customers in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition. Keep away from heat, open flames, and incompatible materials such as water, alcohols, strong bases, and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.