Description

3-Chloro-5-Methyl-Benzoic Acid Methyl Ester is a versatile and high-purity organic intermediate essential for advanced chemical synthesis. This compound is valued for its role as a key building block in the development of complex molecules, particularly in the pharmaceutical and agrochemical sectors. It is primarily sought by R&D chemists and process development scientists for constructing active pharmaceutical ingredients (APIs) and specialized fine chemicals.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of novel active pharmaceutical ingredients (APIs), especially those with substituted benzoate or aryl halide motifs.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and plant growth regulators.
• Liquid Crystal & OLED Material Precursor: Serves as a starting material for synthesizing specialized organic compounds used in electronic displays and optoelectronic devices.
• Organic Synthesis & Chemical Research: Employed in academic and industrial laboratories for coupling reactions, ester transformations, and as a scaffold for creating complex molecular libraries.
• Dye & Pigment Intermediate: Utilized in the manufacture of specialized dyes and pigments where chlorinated aromatic esters are required.

Basic Information

Product Name	3-Chloro-5-Methyl-Benzoic Acid Methyl Ester
CAS No.	153203-53-3
Molecular Formula	C9H9ClO2
Molecular Weight	184.62 g/mol
Synonyms	Methyl 3-Chloro-5-methylbenzoate; Benzoic acid, 3-chloro-5-methyl-, methyl ester; 3-Chloro-5-methyl methyl benzoate; Methyl 3-chloro-5-methylbenzoate; 3-Chloro-5-methylbenzoic acid methyl ester
EINECS	Contact for details

Quality Control

Our 3-Chloro-5-Methyl-Benzoic Acid Methyl Ester is manufactured under strict quality management systems. Every 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 available for all shipments to support your quality assurance protocols.

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.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity ≤ 0.5%

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