Description

3-Bromo-5-Methoxybenzoyl Chloride is a versatile and reactive aromatic acid chloride derivative, serving as a critical building block in advanced organic synthesis. Its value lies in its ability to introduce the 3-bromo-5-methoxybenzoyl moiety into target molecules, enabling the creation of complex structures with specific functionalities. This high-purity 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 functional polymers.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), especially in oncology and CNS research.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators requiring specific halogenated aromatic cores.
• Liquid Crystal & OLED Materials: Serves as a precursor for mesogens and electron-transport materials in display and lighting technologies.
• Polymer & Resin Modification: Employed to introduce functional side chains into polymers, enhancing properties like thermal stability or adhesion.
• Organic Ligand Synthesis: Useful for creating specialized ligands for catalysis and metal-organic frameworks (MOFs).
• Dyestuff & Pigment Intermediate: Acts as a starting material for synthesizing high-performance, color-fast dyes and pigments.
• Custom & Contract Synthesis: A valuable reagent for research laboratories and CDMOs (Contract Development and Manufacturing Organizations) for bespoke chemical synthesis.

Basic Information

Product Name	3-Bromo-5-Methoxybenzoyl Chloride
CAS No.	1261582-04-0
Molecular Formula	C8H6BrClO2
Molecular Weight	249.49 g/mol
Synonyms	5-Bromo-3-methoxybenzoyl chloride; 3-Methoxy-5-bromobenzoyl chloride; m-Bromo-m'-methoxybenzoyl chloride; (3-Bromo-5-methoxyphenyl)carbonyl chloride; 3-Bromo-5-methoxybenzoic acid chloride; 1261582-04-0; Benzoyl chloride, 3-bromo-5-methoxy-
EINECS	Contact for details

Quality Control

Our 3-Bromo-5-Methoxybenzoyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high chemical purity and consistent performance. Certificates of Analysis (COA) detailing purity, identity, 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 should be handled under an inert atmosphere (e.g., nitrogen or argon) 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%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

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