Description

5-Chloro-2-Hydroxy-4-Methyl-Benzoic Acid Methyl Ester is a versatile and high-purity organic intermediate essential for advanced chemical synthesis. Its unique structure, featuring both phenolic and ester functional groups, makes it a critical building block for creating complex molecules with specific functionalities. This compound is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for developing active ingredients and novel compounds.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a halogenated phenolic ester moiety.
• Agrochemical Synthesis: Used in the research and production of herbicides, fungicides, and other crop protection agents.
• Organic Synthesis Building Block: Serves as a versatile starting material for synthesizing more complex heterocyclic compounds and fine chemicals in R&D laboratories.
• Dye and Pigment Intermediate: Utilized in the development of specialized dyes and pigments due to its substituted aromatic structure.
• Material Science Research: Investigated as a monomer or additive for creating polymers with specific optical or chemical properties.

Basic Information

Product Name	5-Chloro-2-Hydroxy-4-Methyl-Benzoic Acid Methyl Ester
CAS No.	773134-18-2
Molecular Formula	C9H9ClO3
Molecular Weight	200.62 g/mol
Synonyms	Methyl 5-Chloro-2-hydroxy-4-methylbenzoate; 5-Chloro-4-methylsalicylic Acid Methyl Ester; 2-Hydroxy-5-chloro-4-methylbenzoic Acid Methyl Ester; Benzoic acid, 5-chloro-2-hydroxy-4-methyl-, methyl ester; Methyl 5-chloro-2-hydroxy-p-toluate
EINECS	Contact for details

Quality Control

Our production of 5-Chloro-2-Hydroxy-4-Methyl-Benzoic Acid Methyl Ester adheres to stringent quality management protocols. Every batch is subjected to comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support cGMP and ISO standards for manufacturing critical intermediates.

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 strong bases and incompatible materials such as strong oxidizing agents. The compound is light-sensitive and should be stored away from direct light exposure.

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%; Total impurities ≤ 1.5%

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