Description

3-Bromo-5-Methyl-Benzoic Acid Methyl Ester is a versatile aromatic ester building block, prized for its reactive bromine and ester functional groups. This compound is essential for facilitating complex molecular transformations in advanced synthetic chemistry. It is primarily utilized by researchers and process chemists in the pharmaceutical, agrochemical, and material science industries for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules requiring a substituted benzoate core.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators.
• Liquid Crystal & OLED Material Precursor: Serves as a building block for advanced organic electronic materials due to its aromatic structure and modifiable substituents.
• Cross-Coupling Reactions: The bromine atom makes it an excellent substrate for palladium-catalyzed reactions like Suzuki, Heck, and Stille couplings to form biaryl structures.
• Organic Synthesis & Research: A valuable reagent in academic and industrial R&D labs for constructing complex organic molecules and exploring new synthetic methodologies.
• Dye & Pigment Intermediate: Employed in the synthesis of specialized dyes and pigments where bromine substitution alters color and properties.

Basic Information

Product Name	3-Bromo-5-Methyl-Benzoic Acid Methyl Ester
CAS No.	478375-40-5
Molecular Formula	C9H9BrO2
Molecular Weight	229.07 g/mol
Synonyms	Methyl 3-Bromo-5-methylbenzoate; Benzoic acid, 3-bromo-5-methyl-, methyl ester; 3-Bromo-5-methyl methyl benzoate; Methyl 3-bromo-5-methylbenzoate; 3-Bromo-5-methylbenzoic acid methyl ester; 5-Methyl-3-bromobenzoic acid methyl ester
EINECS	Contact for details

Quality Control

Our 3-Bromo-5-Methyl-Benzoic Acid Methyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee compliance with your research and production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. For long-term storage, consider storing under an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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