Description

5-Methyl-3-(4-Methylphenyl)-4,5-Dihydro-1,2-Oxazole-5-Carboxylic Acid CAS NO 1326815-45-5 is a specialized heterocyclic carboxylic acid derivative, serving as a high-value pharmaceutical intermediate and organic synthesis building block. Its unique isoxazoline core structure makes it a critical precursor for the development of novel active pharmaceutical ingredients (APIs) and agrochemicals. This compound is primarily utilized by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries seeking to introduce specific molecular complexity into their target molecules.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammation, and infectious diseases.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging its isoxazoline pharmacophore.
• Organic Synthesis Reagent: Serves as a versatile precursor for constructing complex heterocyclic frameworks in academic and industrial research settings.
• Material Science Research: Investigated as a monomer or functional additive for creating polymers with specific optical or electronic properties.
• Chemical Biology Probe Development: Utilized in the design and synthesis of molecular probes for studying enzyme function and biological pathways.

Basic Information

Product Name	5-Methyl-3-(4-Methylphenyl)-4,5-Dihydro-1,2-Oxazole-5-Carboxylic Acid
CAS No.	1326815-45-5
Molecular Formula	C13H15NO3
Molecular Weight	233.26 g/mol
Synonyms	5-Methyl-3-p-tolyl-4,5-dihydroisoxazole-5-carboxylic acid; 3-(4-Methylphenyl)-5-methyl-4,5-dihydroisoxazole-5-carboxylic acid; 4,5-Dihydro-5-methyl-3-(4-methylphenyl)-1,2-oxazole-5-carboxylic acid; 5-Methyl-3-(4-methylphenyl)-2-isoxazoline-5-carboxylic acid; 1326815-45-5; AI3-71031
EINECS	Contact for details

Quality Control

Our production of 5-Methyl-3-(4-Methylphenyl)-4,5-Dihydro-1,2-Oxazole-5-Carboxylic Acid adheres to stringent quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and MS, to ensure high purity and batch-to-batch consistency suitable for advanced synthetic applications. A detailed Certificate of Analysis (COA) confirming identity, purity, and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider inert atmosphere conditions to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Assay (HPLC)	≥97.0%
Related Substances (HPLC)	Total impurities ≤3.0%
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.