Description

1,3-Benzenedicarboxylic Acid, 2-Methyl-, 1-Methyl Ester is a specialized organic ester compound, also known by its CAS number 65399-16-8. It serves as a valuable intermediate and building block in advanced organic synthesis, prized for its specific aromatic substitution pattern. This chemical is essential for manufacturers and R&D laboratories in the pharmaceutical and fine chemical sectors seeking to develop novel compounds. Its controlled structure enables precise modifications in target molecule synthesis.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs) and complex drug candidates.
• Fine Chemical Synthesis: Used in the production of specialty chemicals, including dyes, pigments, and advanced materials.
• Polymer Chemistry: Acts as a monomer or co-monomer in the development of specialized polyesters and other performance polymers.
• Agrochemical Research: Employed in the creation of novel herbicides, pesticides, and plant growth regulators.
• Liquid Crystal & OLED Materials: Serves as a precursor in the synthesis of organic electronic materials.
• Organic Synthesis Reagent: Utilized in laboratories for methylation reactions and the construction of complex aromatic systems.

Basic Information

Product Name	1,3-Benzenedicarboxylic Acid, 2-Methyl-, 1-Methyl Ester
CAS No.	65399-16-8
Molecular Formula	C11H10O4
Molecular Weight	206.19 g/mol
Synonyms	5-Methylisophthalic Acid 1-Methyl Ester; 2-Methyl-1,3-benzenedicarboxylic Acid 1-Methyl Ester; Methyl 5-Methylisophthalate; 1-Methyl 5-Methylisophthalate; 5-Methylisophthalic Acid Monomethyl Ester; 1-Carbomethoxy-3-carboxy-5-methylbenzene; 5-Methylisophthalic Acid Methyl Ester
EINECS	Contact for details

Quality Control

Our 1,3-Benzenedicarboxylic Acid, 2-Methyl-, 1-Methyl Ester is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing key parameters such as assay and impurity profiles. Our quality commitment supports applications requiring high-purity intermediates, including cGMP manufacturing for pharmaceuticals.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong bases and organic solvents. For long-term storage, consider using an inert atmosphere to preserve product integrity.

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%
Heavy Metals	≤ 20 ppm

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