Description

4-Bromo-3-Methoxybenzoic Acid is a versatile halogenated aromatic carboxylic acid derivative that serves as a critical building block in advanced organic synthesis. Its molecular structure, featuring both bromine and methoxy substituents, makes it a valuable intermediate for constructing complex molecules with tailored properties. This compound is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for developing active ingredients and novel chemical entities.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules requiring a substituted benzoic acid scaffold.
• Agrochemical Synthesis: Used in the research and production of herbicides, fungicides, and other crop protection agents.
• Liquid Crystal & OLED Materials: Serves as a building block for creating advanced organic electronic materials and liquid crystal compounds.
• Polymer Chemistry: Acts as a monomer or modifier in the synthesis of specialty polymers and high-performance resins.
• Organic Synthesis & Research: A versatile reagent for coupling reactions (e.g., Suzuki, Heck) and for introducing functional groups in medicinal chemistry and material science research.
• Dye & Pigment Manufacturing: Employed in the synthesis of complex dyes and organic pigments.

Basic Information

Product Name	4-Bromo-3-Methoxybenzoic Acid
CAS No.	56256-14-5
Molecular Formula	C8H7BrO3
Molecular Weight	231.04 g/mol
Synonyms	3-Methoxy-4-bromobenzoic Acid; 4-Bromo-m-anisic Acid; Benzoic acid, 4-bromo-3-methoxy-; 4-Bromo-3-methoxy-benzoic acid; 4-Bromo-3-methoxybenzoic acid; 56256-14-5; 3-Methoxy-4-bromo-benzoic acid
EINECS	Contact for details

Quality Control

Our 4-Bromo-3-Methoxybenzoic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with every shipment, documenting all critical specifications. Our quality commitment ensures the material meets the stringent requirements for research and cGMP-grade manufacturing applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. The product is light-sensitive and should be stored away from light.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Melting Point	158°C - 162°C
Loss on Drying	≤0.5%
Residue on Ignition	≤0.1%
Heavy Metals	≤20 ppm

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