Description

3-Chloro-5-(Methoxycarbonyl)Benzoic Acid is a high-purity aromatic carboxylic acid derivative that serves as a versatile and critical building block in advanced organic synthesis. Its bifunctional structure, featuring both a carboxylic acid and a methyl ester group on a chlorinated benzene ring, makes it an indispensable intermediate for constructing complex molecular architectures. This compound is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for the development of active ingredients and novel compounds.

Application

• Pharmaceutical Intermediate: 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 advanced electronic materials due to its aromatic and functionalized structure.
• Polymer Chemistry: Acts as a monomer or modifier in the production of specialty polymers, including polyesters and polyamides.
• Organic Synthesis & Research: A valuable reagent for coupling reactions, esterifications, and further functional group transformations in academic and industrial R&D laboratories.
• Dye & Pigment Intermediate: Used in the synthesis of complex dyes and organic pigments.

Basic Information

Product Name	3-Chloro-5-(Methoxycarbonyl)Benzoic Acid
CAS No.	153203-57-7
Molecular Formula	C9H7ClO4
Molecular Weight	214.60 g/mol
Synonyms	5-(Methoxycarbonyl)-3-chlorobenzoic Acid; 3-Chloro-5-carbomethoxybenzoic Acid; Methyl 5-Chloro-3-carboxybenzoate; Benzoic acid, 3-chloro-5-(methoxycarbonyl)-; 3-Chloro-5-methoxycarbonylbenzoic acid
EINECS	Contact for details

Quality Control

Every batch of 3-Chloro-5-(Methoxycarbonyl)Benzoic Acid is manufactured under a strict quality management system and undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Our products are suitable for demanding applications in regulated industries. A detailed Certificate of Analysis (COA) providing specifications for assay, related substances, and residual solvents is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The container should be kept tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
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.