Description

4,5-Isoxazoledicarboxylicacid,3-(2-Methylphenyl)-,Dimethylester(9Ci) is a high-purity, synthetically valuable organic compound with the CAS registry number 134516-38-4. This chemical serves as a critical advanced pharmaceutical intermediate and a versatile building block in organic synthesis. It is primarily required by R&D laboratories and production facilities in the pharmaceutical, agrochemical, and specialty chemical sectors for developing novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing anti-inflammatory properties.
• Agrochemical Research: Used as a building block for developing new herbicides, fungicides, or insecticides with specific activity profiles.
• Organic Synthesis Reagent: Employed in heterocyclic chemistry for constructing complex isoxazole-based molecular frameworks.
• Material Science Research: Potential monomer or additive in the development of advanced polymers with specific thermal or optical properties.
• Chemical Reference Standard: Serves as a high-purity analytical standard for quality control and method development in analytical laboratories.

Basic Information

Product Name	4,5-Isoxazoledicarboxylicacid,3-(2-Methylphenyl)-,Dimethylester(9Ci)
CAS No.	134516-38-4
Molecular Formula	C14H13NO5
Molecular Weight	275.26 g/mol
Synonyms	3-(2-Methylphenyl)-4,5-isoxazoledicarboxylic acid dimethyl ester; Dimethyl 3-(2-methylphenyl)-4,5-isoxazoledicarboxylate; 4,5-Isoxazoledicarboxylic acid, 3-(2-methylphenyl)-, dimethyl ester; 3-(o-Tolyl)-4,5-isoxazoledicarboxylic acid dimethyl ester; Dimethyl 3-(o-tolyl)-1,2-oxazole-4,5-dicarboxylate; CAS 134516-38-4
EINECS	Contact for details

Quality Control

Our production of 4,5-Isoxazoledicarboxylicacid,3-(2-Methylphenyl)-,Dimethylester(9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and impurity profiling, and is supported by a detailed Certificate of Analysis (COA). We are committed to meeting the exacting standards required for GMP-grade intermediates and research chemicals.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flames. The compound may be light-sensitive; prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Purity (HPLC, Area %)	≥ 97.0%
Single Maximum Impurity	≤ 1.0%
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.